Adding trailing slash to $(*tree)

index 3885bbe260eb..85d8deace4bf 100644
@@ -82,19 +82,19 @@ loop_cmd = $(echo-cmd) $(cmd_$(1)) || exit;
 quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
       cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/userspace-api/media $2 && \
 	PYTHONDONTWRITEBYTECODE=1 \
-	BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
+	BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abs_srctree)/$(src)/$5/$(SPHINX_CONF) \
 	$(PYTHON3) $(srctree)/scripts/jobserver-exec \
 	$(CONFIG_SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
 	$(SPHINXBUILD) \
 	-b $2 \
-	-c $(abspath $(srctree)/$(src)) \
+	-c $(abs_srctree)/$(src) \
 	-d $(abspath $(BUILDDIR)/.doctrees/$3) \
 	-D version=$(KERNELVERSION) -D release=$(KERNELRELEASE) \
 	$(ALLSPHINXOPTS) \
-	$(abspath $(srctree)/$(src)/$5) \
+	$(abs_srctree)/$(src)/$5 \
 	$(abspath $(BUILDDIR)/$3/$4) && \
 	if [ "x$(DOCS_CSS)" != "x" ]; then \
-		cp $(if $(patsubst /%,,$(DOCS_CSS)),$(abspath $(srctree)/$(DOCS_CSS)),$(DOCS_CSS)) $(BUILDDIR)/$3/_static/; \
+		cp $(if $(patsubst /%,,$(DOCS_CSS)),$(abs_srctree)/$(DOCS_CSS),$(DOCS_CSS)) $(BUILDDIR)/$3/_static/; \
 	fi
 
 YNL_INDEX:=$(srctree)/Documentation/networking/netlink_spec/index.rst

index 6cdb5717bfe0..a7696f13bece 100644
@@ -1337,7 +1337,7 @@ endif
 
 PHONY += resolve_btfids_clean
 
-resolve_btfids_O = $(abspath $(objtree))/tools/bpf/resolve_btfids
+resolve_btfids_O = $(abs_objtree)/tools/bpf/resolve_btfids
 
 # tools/bpf/resolve_btfids directory might not exist
 # in output directory, skip its clean in that case

@@ -1353,11 +1353,11 @@ endif
 
 tools/: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
+	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abs_objtree) subdir=tools -C $(srctree)/tools/
 
 tools/%: FORCE
 	$(Q)mkdir -p $(objtree)/tools
-	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
+	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abs_objtree) subdir=tools -C $(srctree)/tools/ $*
 
 # ---------------------------------------------------------------------------
 # Kernel selftest

@@ -1757,7 +1757,7 @@ all: misc-check
 PHONY += scripts_gdb
 scripts_gdb: prepare0
 	$(Q)$(MAKE) $(build)=scripts/gdb
-	$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py)
+	$(Q)ln -fsn $(abs_srctree)/scripts/gdb/vmlinux-gdb.py
 
 ifdef CONFIG_GDB_SCRIPTS
 all: scripts_gdb

index 9d2a16cc91cb..0a7c278abf0b 100644
@@ -73,7 +73,7 @@ alloc-cfgs = \
 
 quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
       cmd_rustdoc = \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(RUSTDOC) $(if $(rustdoc_host),$(rust_common_flags),$(rust_flags)) \
 		$(rustc_target_flags) -L$(objtree)/$(obj) \
 		--output $(rustdoc_output) \

@@ -136,7 +136,7 @@ rustdoc-kernel: $(src)/kernel/lib.rs rustdoc-core rustdoc-macros \
 
 quiet_cmd_rustc_test_library = RUSTC TL $<
       cmd_rustc_test_library = \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(RUSTC) $(rust_common_flags) \
 		@$(objtree)/include/generated/rustc_cfg $(rustc_target_flags) \
 		--crate-type $(if $(rustc_test_library_proc),proc-macro,rlib) \

@@ -161,7 +161,7 @@ rusttestlib-uapi: $(src)/uapi/lib.rs rusttest-prepare FORCE
 
 quiet_cmd_rustdoc_test = RUSTDOC T $<
       cmd_rustdoc_test = \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(RUSTDOC) --test $(rust_common_flags) \
 		@$(objtree)/include/generated/rustc_cfg \
 		$(rustc_target_flags) $(rustdoc_test_target_flags) \

@@ -173,7 +173,7 @@ quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $<
       cmd_rustdoc_test_kernel = \
 	rm -rf $(objtree)/$(obj)/test/doctests/kernel; \
 	mkdir -p $(objtree)/$(obj)/test/doctests/kernel; \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(RUSTDOC) --test $(rust_flags) \
 		@$(objtree)/include/generated/rustc_cfg \
 		-L$(objtree)/$(obj) --extern alloc --extern kernel \

@@ -195,7 +195,7 @@ quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $<
 # so for the moment we skip `-Cpanic=abort`.
 quiet_cmd_rustc_test = RUSTC T  $<
       cmd_rustc_test = \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(RUSTC) --test $(rust_common_flags) \
 		@$(objtree)/include/generated/rustc_cfg \
 		$(rustc_target_flags) --out-dir $(objtree)/$(obj)/test \

@@ -242,7 +242,7 @@ quiet_cmd_rustsysroot = RUSTSYSROOT
 	cp -r $(srctree)/$(src)/alloc/* \
 		$(objtree)/$(obj)/test/sysroot/lib/rustlib/src/rust/library/alloc/src; \
 	echo '\#!/bin/sh' > $(objtree)/$(obj)/test/rustc_sysroot; \
-	echo "$(RUSTC) --sysroot=$(abspath $(objtree)/$(obj)/test/sysroot) \"\$$@\"" \
+	echo "$(RUSTC) --sysroot=$(abs_objtree)/$(obj)/test/sysroot \"\$$@\"" \
 		>> $(objtree)/$(obj)/test/rustc_sysroot; \
 	chmod u+x $(objtree)/$(obj)/test/rustc_sysroot; \
 	$(CARGO) -q new $(objtree)/$(obj)/test/dummy; \

@@ -400,7 +400,7 @@ $(obj)/libmacros.so: $(src)/macros/lib.rs $(obj)/core.o FORCE
 
 quiet_cmd_rustc_library = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) L $@
       cmd_rustc_library = \
-	OBJTREE=$(abspath $(objtree)) \
+	OBJTREE=$(abs_objtree) \
 	$(if $(skip_clippy),$(RUSTC),$(RUSTC_OR_CLIPPY)) \
 		$(filter-out $(skip_flags),$(rust_flags) $(rustc_target_flags)) \
 		--emit=dep-info=$(depfile) --emit=obj=$@ \

index 933f6c3fe6b0..8b53249aa73a 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-BPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src))
+BPF_SAMPLES_PATH ?= $(abs_srctree)/$(src)
 TOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools
 
 pound := \#

index 9f7fe29dd749..8af8a52d0ab7 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-HID_SAMPLES_PATH ?= $(abspath $(srctree)/$(src))
+HID_SAMPLES_PATH ?= $(abs_srctree)/$(src)
 TOOLS_PATH := $(HID_SAMPLES_PATH)/../../tools
 
 pound := \#

index 48941faa6ea6..52b5c961a6b1 100644
@@ -5,7 +5,7 @@ ifdef building_out_of_srctree
 symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
 
 quiet_cmd_symlink = SYMLINK $@
-      cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
+      cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abs_srctree)/$(src)/%,$@) $@
 
 always-y += $(symlinks)
 $(addprefix $(obj)/, $(symlinks)): FORCE

index e52cb43fede6..0395b6f943d4 100755
@@ -210,7 +210,7 @@ coccinelle () {
 
     if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then
 
-	FILE=${COCCI#$srctree/}
+	FILE=${COCCI#${srctree%/}/}
 
 	echo "Processing `basename $COCCI`"
 	echo "with option(s) \"$OPT\""

index 85d8deace4bf..d279c8b71280 100644
@@ -21,7 +21,7 @@ SPHINXOPTS    =
 SPHINXDIRS    = .
 DOCS_THEME    =
 DOCS_CSS      =
-_SPHINXDIRS   = $(sort $(patsubst $(srctree)/Documentation/%/index.rst,%,$(wildcard $(srctree)/Documentation/*/index.rst)))
+_SPHINXDIRS   = $(sort $(patsubst $(srctree:%/=%)/Documentation/%/index.rst,%,$(wildcard $(srctree)/Documentation/*/index.rst)))
 SPHINX_CONF   = conf.py
 PAPER         =
 BUILDDIR      = $(obj)/output

index 129cf698fa8a..d22bd9ec8dbf 100644
@@ -55,7 +55,7 @@ define rule_chkdt
 	$(call cmd,mk_schema)
 endef
 
-DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
+DT_DOCS = $(patsubst $(srctree:%/=%)/%,%,$(shell $(find_all_cmd)))
 
 override DTC_FLAGS := \
 	-Wno-avoid_unnecessary_addr_size \

@@ -71,8 +71,8 @@ $(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version
 	$(call if_changed_rule,chkdt)
 
 always-y += processed-schema.json
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
+always-$(CHECK_DT_BINDING) += $(patsubst $(srctree:%/=%)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
+always-$(CHECK_DT_BINDING) += $(patsubst $(srctree:%/=%)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
 
 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
 # build artifacts here before they are processed by scripts/Makefile.clean

index 3d8aaf5c253b..863c08c2d925 100644
@@ -16,7 +16,7 @@ gen_rst = \
 	echo ${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions; \
 	${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions
 
-quiet_gen_rst = echo '  PARSE   $(patsubst $(srctree)/%,%,$<)'; \
+quiet_gen_rst = echo '  PARSE   $(patsubst $(srctree:%/=%)/%,%,$<)'; \
 	${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions
 
 silent_gen_rst = ${gen_rst}

index 4237aa5de3a3..5b27c668afe1 100644
@@ -10,7 +10,7 @@ obj-y   += $(builtindtb-y).dtb.o
 dtb-y := $(builtindtb-y).dtb
 
 # for CONFIG_OF_ALL_DTBS test
-dtstree	:= $(srctree)/$(src)
+dtstree	:= $(srctree:%/=%)/$(src)
 dtb-	:= $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
 
 # board-specific dtc flags

index 5f1f55e911ad..fdb7571758a2 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-dtstree	:= $(srctree)/$(src)
+dtstree	:= $(srctree:%/=%)/$(src)
 
 dtb-y := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index e9e31bb40df8..1093e2111af0 100644
@@ -2,5 +2,5 @@
 
 obj-y := $(patsubst %.dts,%.dtb.o,$(CONFIG_NIOS2_DTB_SOURCE))
 
-dtstree		:= $(srctree)/$(src)
+dtstree		:= $(srctree:%/=%)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index fb335d05aae8..211b96e6ee6d 100644
@@ -2,5 +2,5 @@
 
 subdir-y += fsl
 
-dtstree		:= $(srctree)/$(src)
+dtstree		:= $(srctree:%/=%)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 3bae982641e9..ee7110fbbdbe 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 
-dtstree		:= $(srctree)/$(src)
+dtstree		:= $(srctree:%/=%)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 720628c0d8b9..9f69eaee2188 100644
@@ -10,5 +10,5 @@
 obj-$(CONFIG_OF) += $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_SOURCE))
 
 # for CONFIG_OF_ALL_DTBS test
-dtstree	:= $(srctree)/$(src)
+dtstree	:= $(srctree:%/=%)/$(src)
 dtb-	:= $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 6b09731d8e61..8511d8006fd1 100644
@@ -413,7 +413,7 @@ obj-$(CONFIG_FIRMWARE_TABLE) += fw_table.o
 
 # FORTIFY_SOURCE compile-time behavior tests
 TEST_FORTIFY_SRCS = $(wildcard $(srctree)/$(src)/test_fortify/*-*.c)
-TEST_FORTIFY_LOGS = $(patsubst $(srctree)/$(src)/%.c, %.log, $(TEST_FORTIFY_SRCS))
+TEST_FORTIFY_LOGS = $(patsubst $(srctree:%/=%)/$(src)/%.c, %.log, $(TEST_FORTIFY_SRCS))
 TEST_FORTIFY_LOG = test_fortify.log
 
 quiet_cmd_test_fortify = TEST    $@

index a7696f13bece..6d7758a76429 100644
@@ -246,24 +246,24 @@ else # need-sub-make
 
 ifeq ($(abs_srctree),$(abs_objtree))
         # building in the source tree
-        srctree := .
+        srctree := ./
 	building_out_of_srctree :=
 else
         ifeq ($(abs_srctree)/,$(dir $(abs_objtree)))
                 # building in a subdirectory of the source tree
-                srctree := ..
+                srctree := ../
         else
-                srctree := $(abs_srctree)
+                srctree := $(abs_srctree)/
         endif
 	building_out_of_srctree := 1
 endif
 
 ifneq ($(KBUILD_ABS_SRCTREE),)
-srctree := $(abs_srctree)
+srctree := $(abs_srctree)/
 endif
 
-objtree		:= .
-VPATH		:= $(srctree)
+objtree		:= ./
+VPATH		:= $(srctree).
 
 export building_out_of_srctree srctree objtree VPATH
 

index d279c8b71280..55d847b0c36a 100644
@@ -7,12 +7,12 @@ subdir- := devicetree/bindings
 
 # Check for broken documentation file references
 ifeq ($(CONFIG_WARN_MISSING_DOCUMENTS),y)
-$(shell $(srctree)/scripts/documentation-file-ref-check --warn)
+$(shell $(srctree)scripts/documentation-file-ref-check --warn)
 endif
 
 # Check for broken ABI files
 ifeq ($(CONFIG_WARN_ABI_ERRORS),y)
-$(shell $(srctree)/scripts/get_abi.pl validate --dir $(srctree)/Documentation/ABI)
+$(shell $(srctree)scripts/get_abi.pl validate --dir $(srctree)Documentation/ABI)
 endif
 
 # You can set these variables from the command line.

@@ -21,7 +21,7 @@ SPHINXOPTS    =
 SPHINXDIRS    = .
 DOCS_THEME    =
 DOCS_CSS      =
-_SPHINXDIRS   = $(sort $(patsubst $(srctree:%/=%)/Documentation/%/index.rst,%,$(wildcard $(srctree)/Documentation/*/index.rst)))
+_SPHINXDIRS   = $(sort $(patsubst $(srctree)Documentation/%/index.rst,%,$(wildcard $(srctree)Documentation/*/index.rst)))
 SPHINX_CONF   = conf.py
 PAPER         =
 BUILDDIR      = $(obj)/output

@@ -40,7 +40,7 @@ ifeq ($(HAVE_SPHINX),0)
 .DEFAULT:
 	$(warning The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed and in PATH, or set the SPHINXBUILD make variable to point to the full path of the '$(SPHINXBUILD)' executable.)
 	@echo
-	@$(srctree)/scripts/sphinx-pre-install
+	@$(srctree)scripts/sphinx-pre-install
 	@echo "  SKIP    Sphinx $@ target."
 
 else # HAVE_SPHINX

@@ -56,10 +56,10 @@ endif #HAVE_LATEXMK
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
-KERNELDOC       = $(srctree)/scripts/kernel-doc
-KERNELDOC_CONF  = -D kerneldoc_srctree=$(srctree) -D kerneldoc_bin=$(KERNELDOC)
+KERNELDOC       = $(srctree)scripts/kernel-doc
+KERNELDOC_CONF  = -D kerneldoc_srctree=$(srctree:%/=%) -D kerneldoc_bin=$(KERNELDOC)
 ALLSPHINXOPTS   =  $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) $(SPHINXOPTS)
-ifneq ($(wildcard $(srctree)/.config),)
+ifneq ($(wildcard $(srctree).config),)
 ifeq ($(CONFIG_RUST),y)
 	# Let Sphinx know we will include rustdoc
 	ALLSPHINXOPTS   +=  -t rustdoc

@@ -76,15 +76,15 @@ loop_cmd = $(echo-cmd) $(cmd_$(1)) || exit;
 #    * dest folder relative to $(BUILDDIR) and
 #    * cache folder relative to $(BUILDDIR)/.doctrees
 # $4 dest subfolder e.g. "man" for man pages at userspace-api/media/man
-# $5 reST source folder relative to $(srctree)/$(src),
+# $5 reST source folder relative to $(srctree)$(src),
 #    e.g. "userspace-api/media" for the linux-tv book-set at ./Documentation/userspace-api/media
 
 quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
       cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/userspace-api/media $2 && \
 	PYTHONDONTWRITEBYTECODE=1 \
 	BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abs_srctree)/$(src)/$5/$(SPHINX_CONF) \
-	$(PYTHON3) $(srctree)/scripts/jobserver-exec \
-	$(CONFIG_SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
+	$(PYTHON3) $(srctree)scripts/jobserver-exec \
+	$(CONFIG_SHELL) $(srctree)Documentation/sphinx/parallel-wrapper.sh \
 	$(SPHINXBUILD) \
 	-b $2 \
 	-c $(abs_srctree)/$(src) \

@@ -97,10 +97,10 @@ quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
 		cp $(if $(patsubst /%,,$(DOCS_CSS)),$(abs_srctree)/$(DOCS_CSS),$(DOCS_CSS)) $(BUILDDIR)/$3/_static/; \
 	fi
 
-YNL_INDEX:=$(srctree)/Documentation/networking/netlink_spec/index.rst
-YNL_RST_DIR:=$(srctree)/Documentation/networking/netlink_spec
-YNL_YAML_DIR:=$(srctree)/Documentation/netlink/specs
-YNL_TOOL:=$(srctree)/tools/net/ynl/ynl-gen-rst.py
+YNL_INDEX:=$(srctree)Documentation/networking/netlink_spec/index.rst
+YNL_RST_DIR:=$(srctree)Documentation/networking/netlink_spec
+YNL_YAML_DIR:=$(srctree)Documentation/netlink/specs
+YNL_TOOL:=$(srctree)tools/net/ynl/ynl-gen-rst.py
 
 YNL_RST_FILES_TMP := $(patsubst %.yaml,%.rst,$(wildcard $(YNL_YAML_DIR)/*.yaml))
 YNL_RST_FILES := $(patsubst $(YNL_YAML_DIR)%,$(YNL_RST_DIR)%, $(YNL_RST_FILES_TMP))

@@ -112,21 +112,21 @@ $(YNL_RST_DIR)/%.rst: $(YNL_YAML_DIR)/%.yaml $(YNL_TOOL)
 	$(Q)$(YNL_TOOL) -i $< -o $@
 
 htmldocs: $(YNL_INDEX)
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
 
 # If Rust support is available and .config exists, add rustdoc generated contents.
 # If there are any, the errors from this make rustdoc will be displayed but
 # won't stop the execution of htmldocs
 
-ifneq ($(wildcard $(srctree)/.config),)
+ifneq ($(wildcard $(srctree).config),)
 ifeq ($(CONFIG_RUST),y)
 	$(Q)$(MAKE) rustdoc || true
 endif
 endif
 
 texinfodocs:
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,texinfo,$(var),texinfo,$(var)))
 
 # Note: the 'info' Make target is generated by sphinx itself when

@@ -138,7 +138,7 @@ linkcheckdocs:
 	@$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var)))
 
 latexdocs:
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var)))
 
 ifeq ($(HAVE_PDFLATEX),0)

@@ -150,7 +150,7 @@ pdfdocs:
 else # HAVE_PDFLATEX
 
 pdfdocs: latexdocs
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	$(foreach var,$(SPHINXDIRS), \
 	   $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit; \
 	   mkdir -p $(BUILDDIR)/$(var)/pdf; \

@@ -160,11 +160,11 @@ pdfdocs: latexdocs
 endif # HAVE_PDFLATEX
 
 epubdocs:
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
 
 xmldocs:
-	@$(srctree)/scripts/sphinx-pre-install --version-check
+	@$(srctree)scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var)))
 
 endif # HAVE_SPHINX

@@ -173,7 +173,7 @@ endif # HAVE_SPHINX
 # work or silently pass without Sphinx.
 
 refcheckdocs:
-	$(Q)cd $(srctree);scripts/documentation-file-ref-check
+	$(Q)cd $(srctree:%/=%);scripts/documentation-file-ref-check
 
 cleandocs:
 	$(Q)rm -rf $(BUILDDIR)

index d22bd9ec8dbf..cc213a171e24 100644
@@ -25,23 +25,23 @@ quiet_cmd_extract_ex = DTEX    $@
 $(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
 	$(call if_changed,extract_ex)
 
-find_all_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
+find_all_cmd = find $(srctree)$(src) \( -name '*.yaml' ! \
 		-name 'processed-schema*' \)
 
 find_cmd = $(find_all_cmd) | \
-		sed 's|^$(srctree)/||' | \
+		sed 's|^$(srctree)||' | \
 		grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \
-		sed 's|^|$(srctree)/|'
+		sed 's|^|$(srctree)|'
 CHK_DT_DOCS := $(shell $(find_cmd))
 
 quiet_cmd_yamllint = LINT    $(src)
       cmd_yamllint = ($(find_cmd) | \
                      xargs -n200 -P$$(nproc) \
-		     $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true
+		     $(DT_SCHEMA_LINT) -f parsable -c $(srctree)$(src)/.yamllint >&2) || true
 
 quiet_cmd_chk_bindings = CHKDT   $@
       cmd_chk_bindings = ($(find_cmd) | \
-                         xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
+                         xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)$(src)) || true
 
 quiet_cmd_mk_schema = SCHEMA  $@
       cmd_mk_schema = f=$$(mktemp) ; \

@@ -55,7 +55,7 @@ define rule_chkdt
 	$(call cmd,mk_schema)
 endef
 
-DT_DOCS = $(patsubst $(srctree:%/=%)/%,%,$(shell $(find_all_cmd)))
+DT_DOCS = $(patsubst $(srctree)%,%,$(shell $(find_all_cmd)))
 
 override DTC_FLAGS := \
 	-Wno-avoid_unnecessary_addr_size \

@@ -71,8 +71,8 @@ $(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version
 	$(call if_changed_rule,chkdt)
 
 always-y += processed-schema.json
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree:%/=%)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree:%/=%)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
+always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
+always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
 
 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
 # build artifacts here before they are processed by scripts/Makefile.clean

@@ -80,4 +80,4 @@ clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
 			-name '*.example.dtb' \) -delete 2>/dev/null)
 
 dt_compatible_check: $(obj)/processed-schema.json
-	$(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $<
+	$(Q)$(srctree)scripts/dtc/dt-extract-compatibles $(srctree:%/=%) | xargs dt-check-compatible -v -s $<

index 863c08c2d925..8a95673d37a1 100644
@@ -2,10 +2,10 @@
 
 # Rules to convert a .h file to inline RST documentation
 
-SRC_DIR=$(srctree)/Documentation/userspace-api/media
-PARSER = $(srctree)/Documentation/sphinx/parse-headers.pl
-UAPI = $(srctree)/include/uapi/linux
-KAPI = $(srctree)/include/linux
+SRC_DIR=$(srctree)Documentation/userspace-api/media
+PARSER = $(srctree)Documentation/sphinx/parse-headers.pl
+UAPI = $(srctree)include/uapi/linux
+KAPI = $(srctree)include/linux
 
 FILES = ca.h.rst dmx.h.rst frontend.h.rst net.h.rst \
 	videodev2.h.rst media.h.rst cec.h.rst lirc.h.rst

@@ -16,7 +16,7 @@ gen_rst = \
 	echo ${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions; \
 	${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions
 
-quiet_gen_rst = echo '  PARSE   $(patsubst $(srctree:%/=%)/%,%,$<)'; \
+quiet_gen_rst = echo '  PARSE   $(patsubst $(srctree)%,%,$<)'; \
 	${PARSER} $< $@ $(SRC_DIR)/$(notdir $@).exceptions
 
 silent_gen_rst = ${gen_rst}

450 lines not on this page · raw message

index d8dba85e606c..37b7ec3f7a7d 100644
@@ -15,7 +15,7 @@ targets		:= vmlinux.gz vmlinux \
 OBJSTRIP	:= $(obj)/tools/objstrip
 
 KBUILD_HOSTCFLAGS := -Wall -I$(objtree)/usr/include
-BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)/$(obj)
+BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)$(obj)
 
 # SRM bootable image.  Copy to offset 512 of a partition.
 $(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh

index b265e4bc16c2..5571f3cf66fd 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@

index 2390dd042e36..96599c5fff6e 100644
@@ -34,7 +34,7 @@ ifdef CONFIG_ARC_CURR_IN_REG
 # any kernel headers, and missing the global register
 # Can't do unconditionally because of recursive include issues
 # due to <linux/thread_info.h>
-LINUXINCLUDE	+=  -include $(srctree)/arch/arc/include/asm/current.h
+LINUXINCLUDE	+=  -include $(srctree)arch/arc/include/asm/current.h
 cflags-y	+= -ffixed-gp
 endif
 

index 5b27c668afe1..57e76d2aa1d4 100644
@@ -10,7 +10,7 @@ obj-y   += $(builtindtb-y).dtb.o
 dtb-y := $(builtindtb-y).dtb
 
 # for CONFIG_OF_ALL_DTBS test
-dtstree	:= $(srctree:%/=%)/$(src)
+dtstree	:= $(srctree)$(src)
 dtb-	:= $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
 
 # board-specific dtc flags

index 473280d5adce..2bba58901196 100644
@@ -228,7 +228,7 @@ machine-$(CONFIG_PLAT_SPEAR)		+= spear
 machdirs-$(CONFIG_ARCH_FOOTBRIDGE)	+= arch/arm/mach-footbridge
 machdirs-$(CONFIG_ARCH_RPC)		+= arch/arm/mach-rpc
 machdirs-$(CONFIG_ARCH_SA1100)		+= arch/arm/mach-sa1100
-KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y))
+KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)%/include,$(machdirs-y))
 
 # The byte offset of the kernel image in RAM from the start of RAM.
 TEXT_OFFSET := $(textofs-y)

@@ -305,7 +305,7 @@ vdso-install-$(CONFIG_VDSO) += arch/arm/vdso/vdso.so.dbg
 # My testing targets (bypasses dependencies)
 bp:;	$(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
 
-include $(srctree)/scripts/Makefile.defconf
+include $(srctree)scripts/Makefile.defconf
 PHONY += multi_v7_lpae_defconfig
 multi_v7_lpae_defconfig:
 	$(call merge_into_defconfig,multi_v7_defconfig,lpae)

index abd6a2889fd0..369b7c12fe58 100644
@@ -26,7 +26,7 @@ targets := Image zImage xipImage bootpImage uImage
 ifeq ($(CONFIG_XIP_KERNEL),y)
 
 cmd_deflate_xip_data = $(CONFIG_SHELL) -c \
-	'$(srctree)/$(src)/deflate_xip_data.sh $< $@'
+	'$(srctree)$(src)/deflate_xip_data.sh $< $@'
 
 ifeq ($(CONFIG_XIP_DEFLATED_DATA),y)
 quiet_cmd_mkxip = XIPZ    $@

index 726ecabcef09..8a468d737471 100644
@@ -101,7 +101,7 @@ targets       := vmlinux vmlinux.lds piggy_data piggy.o \
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
 
 ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin \
-	     -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \
+	     -I$(srctree)scripts/dtc/libfdt -fno-stack-protector \
 	     -I$(obj) $(DISABLE_ARM_SSP_PER_TASK_PLUGIN)
 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += -pg
 asflags-y := -DZIMAGE

index 0d31390be069..3a840ac648ef 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I$(srctree)/arch/arm/plat-orion/include
+ccflags-y := -I$(srctree)arch/arm/plat-orion/include
 
 obj-y				+= common.o
 obj-$(CONFIG_DOVE_LEGACY)	+= irq.o mpp.o

index ddee6ae501bb..9f2a2f6024cd 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I$(srctree)/arch/arm/plat-orion/include
+ccflags-y := -I$(srctree)arch/arm/plat-orion/include
 
 obj-y				+= common.o mpp.o irq.o pcie.o
 obj-$(CONFIG_MACH_TERASTATION_WXL) += buffalo-wxl-setup.o

index 569768a69ffc..87e43cc258bb 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I$(srctree)/arch/arm/plat-orion/include
+ccflags-y := -I$(srctree)arch/arm/plat-orion/include
 
 obj-$(CONFIG_MACH_MVEBU_ANY)	 += system-controller.o mvebu-soc-id.o
 

index 6f54d7fef27a..f3857087d4d6 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I$(srctree)/arch/arm/plat-orion/include
+ccflags-y := -I$(srctree)arch/arm/plat-orion/include
 
 obj-y				+= common.o pci.o irq.o mpp.o
 obj-$(CONFIG_MACH_KUROBOX_PRO)	+= kurobox_pro-setup.o

index 713827bef831..0aa9c287fd40 100644
@@ -2,7 +2,7 @@
 #
 # Copyright 2009 Simtec Electronics
 
-include $(srctree)/$(src)/Makefile.s3c64xx
+include $(srctree)$(src)/Makefile.s3c64xx
 
 # Objects we always build independent of SoC choice
 

index 830b0be038c6..123f39326789 100644
@@ -2,7 +2,7 @@
 #
 # Makefile for the linux kernel.
 #
-ccflags-y := -I$(srctree)/$(src)/include
+ccflags-y := -I$(srctree)$(src)/include
 
 orion-gpio-$(CONFIG_GPIOLIB)      += gpio.o
 obj-$(CONFIG_PLAT_ORION_LEGACY)   += irq.o pcie.o time.o common.o mpp.o

index 81f13bdf32f2..63e17472b323 100644
@@ -8,9 +8,9 @@
 gen := arch/$(ARCH)/include/generated
 kapi := $(gen)/asm
 uapi := $(gen)/uapi/asm
-syshdr := $(srctree)/scripts/syscallhdr.sh
-sysnr := $(srctree)/$(src)/syscallnr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+sysnr := $(srctree)$(src)/syscallnr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 syscall := $(src)/syscall.tbl
 
 gen-y := $(gen)/calls-oabi.S

index d761bd2e2f40..579bf0369e94 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 hostprogs := vdsomunge
 

index a88cdf910687..23df63ec4182 100644
@@ -202,7 +202,7 @@ endif
 vdso-install-y				+= arch/arm64/kernel/vdso/vdso.so.dbg
 vdso-install-$(CONFIG_COMPAT_VDSO)	+= arch/arm64/kernel/vdso32/vdso32.so.dbg
 
-include $(srctree)/scripts/Makefile.defconf
+include $(srctree)scripts/Makefile.defconf
 
 PHONY += virtconfig
 virtconfig:

index a5a787371117..bd9154ec41db 100644
@@ -47,4 +47,4 @@ EFI_ZBOOT_FORWARD_CFI	:= $(CONFIG_ARM64_BTI_KERNEL)
 EFI_ZBOOT_OBJCOPY_FLAGS	= --add-symbol zboot_code_size=0x$$( \
 				$(NM) vmlinux|grep _kernel_codesize|cut -d' ' -f1)
 
-include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
+include $(srctree)drivers/firmware/efi/libstub/Makefile.zboot

index c844a0546d7f..4b436f09822a 100644
@@ -5,8 +5,8 @@ KBUILD_CFLAGS	:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \
 		   -Os -DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN) \
 		   $(DISABLE_LATENT_ENTROPY_PLUGIN) \
 		   $(call cc-option,-mbranch-protection=none) \
-		   -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \
-		   -include $(srctree)/include/linux/hidden.h \
+		   -I$(srctree)scripts/dtc/libfdt -fno-stack-protector \
+		   -include $(srctree)include/linux/hidden.h \
 		   -D__DISABLE_EXPORTS -ffreestanding -D__NO_FORTIFY \
 		   -fno-asynchronous-unwind-tables -fno-unwind-tables \
 		   $(call cc-option,-fno-addrsig)

@@ -28,7 +28,7 @@ $(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \
 $(obj)/%.pi.o: $(obj)/%.o FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
+$(obj)/lib-%.o: $(srctree)lib/%.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 obj-y		:= kaslr_early.pi.o lib-fdt.pi.o lib-fdt_ro.pi.o

index 8818287f1095..2d4e79a1309b 100644
@@ -7,7 +7,7 @@
 #
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 obj-vdso := vgettimeofday.o note.o sigreturn.o
 

@@ -68,7 +68,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
 	$(call if_changed,objcopy)
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
       cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index f5f80fdce0fe..848fec66bcbe 100644
@@ -3,7 +3,7 @@
 # Makefile for vdso32
 #
 
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 # Same as cc-*option, but using CC_COMPAT instead of CC
 ifeq ($(CONFIG_CC_IS_CLANG), y)

index c0c050e53157..d73989d74b79 100644
@@ -3,9 +3,9 @@
 # Makefile for Kernel-based Virtual Machine module
 #
 
-ccflags-y += -I $(srctree)/$(src)
+ccflags-y += -I $(srctree)$(src)
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 obj-$(CONFIG_KVM) += kvm.o
 obj-$(CONFIG_KVM) += hyp/

@@ -30,7 +30,7 @@ define rule_gen_hyp_constants
 	$(call filechk,offsets,__HYP_CONSTANTS_H__)
 endef
 
-CFLAGS_hyp-constants.o = -I $(srctree)/$(src)/hyp/include
+CFLAGS_hyp-constants.o = -I $(srctree)$(src)/hyp/include
 $(obj)/hyp-constants.s: $(src)/hyp/hyp-constants.c FORCE
 	$(call if_changed_dep,cc_s_c)
 

index a38dea6186c9..94f4049e858a 100644
@@ -3,7 +3,7 @@
 # Makefile for Kernel-based Virtual Machine module, HYP part
 #
 
-incdir := $(srctree)/$(src)/include
+incdir := $(srctree)$(src)/include
 subdir-asflags-y := -I$(incdir)
 subdir-ccflags-y := -I$(incdir)
 

index 0e4237e55758..fe1df2a3a272 100644
@@ -52,7 +52,7 @@ KBUILD_CFLAGS += -mbacktrace
 endif
 
 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI))
-KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs))
+KBUILD_CFLAGS += $(patsubst %,-I$(srctree)%inc,$(abidirs))
 
 KBUILD_CPPFLAGS += -mlittle-endian
 LDFLAGS += -EL

index fdb7571758a2..9c3539c9cc50 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-dtstree	:= $(srctree:%/=%)/$(src)
+dtstree	:= $(srctree)$(src)
 
 dtb-y := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index ddf784a62c11..05462cf2daa2 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 # Symbols present in the vdso
 vdso-syms  += rt_sigreturn

@@ -57,4 +57,4 @@ quiet_cmd_vdsold = VDSOLD  $@
 # Extracts symbol offsets from the VDSO, converting them into an assembly file
 # that contains the same symbols at the same offsets.
 quiet_cmd_so2s = SO2S    $@
-      cmd_so2s = $(NM) -D $< | $(srctree)/$(src)/so2s.sh > $@
+      cmd_so2s = $(NM) -D $< | $(srctree)$(src)/so2s.sh > $@

index 4e1c374c5782..52713e88e5b8 100644
@@ -23,4 +23,4 @@ EFI_ZBOOT_PAYLOAD      := vmlinux.efi
 EFI_ZBOOT_BFD_TARGET   := elf64-loongarch
 EFI_ZBOOT_MACH_TYPE    := LOONGARCH64
 
-include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
+include $(srctree)drivers/firmware/efi/libstub/Makefile.zboot

index 244467d7792a..55929abb0ba6 100644
@@ -3,9 +3,9 @@
 # Makefile for LoongArch KVM support
 #
 
-ccflags-y += -I $(srctree)/$(src)
+ccflags-y += -I $(srctree)$(src)
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 obj-$(CONFIG_KVM) += kvm.o
 

index f597cd08a96b..ecef99e4767d 100644
@@ -6,7 +6,7 @@ UBSAN_SANITIZE := n
 KCOV_INSTRUMENT := n
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 obj-vdso-y := elf.o vgetcpu.o vgettimeofday.o sigreturn.o
 

@@ -51,7 +51,7 @@ quiet_cmd_vdsoas_o_S = AS       $@
       cmd_vdsoas_o_S = $(CC) $(a_flags) -c -o $@ $<
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
       cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index b265e4bc16c2..5571f3cf66fd 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@

index b265e4bc16c2..5571f3cf66fd 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@

index f49807e1f19b..2eaf5ad2beb6 100644
@@ -280,14 +280,14 @@ endif
 #
 # Board-dependent options and extra files
 #
-include $(srctree)/arch/mips/Kbuild.platforms
+include $(srctree)arch/mips/Kbuild.platforms
 
 ifdef CONFIG_PHYSICAL_START
 load-y					= $(CONFIG_PHYSICAL_START)
 endif
 
 entry-y				= $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
-cflags-y			+= -I$(srctree)/arch/mips/include/asm/mach-generic
+cflags-y			+= -I$(srctree)arch/mips/include/asm/mach-generic
 drivers-$(CONFIG_PCI)		+= arch/mips/pci/
 
 #

@@ -492,7 +492,7 @@ define archhelp
 	echo '  Otherwise, the following default configurations are available:'
 endef
 
-generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
+generic_config_dir = $(srctree)arch/$(ARCH)/configs/generic
 generic_defconfigs :=
 
 #

@@ -529,16 +529,16 @@ endef
 
 .PHONY: $(generic_defconfigs)
 $(generic_defconfigs):
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-		-m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
+	$(Q)$(CONFIG_SHELL) $(srctree)scripts/kconfig/merge_config.sh \
+		-m -O $(objtree) $(srctree)arch/$(ARCH)/configs/generic_defconfig $^ | \
 		grep -Ev '^#'
 	$(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
-	$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
+	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig \
 		KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
-	$(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
-		$(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
+	$(Q)$(CONFIG_SHELL) $(srctree)arch/$(ARCH)/tools/generic-board-config.sh \
+		$(srctree:%/=%) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
 		"$(origin BOARDS)" $(BOARDS)
-	$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 
 #
 # Prevent generic merge_config rules attempting to merge single fragments

@@ -580,4 +580,4 @@ pistachio_defconfig-y		:= 32r2el_defconfig BOARDS=marduk
 
 .PHONY: $(legacy_defconfigs)
 $(legacy_defconfigs):
-	$(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
+	$(Q)$(MAKE) -f $(srctree)Makefile $($@-y)

index 6cfdc149d3bc..7832709fc84b 100644
@@ -10,7 +10,7 @@ PHONY := __archpost
 __archpost:
 
 -include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 CMD_LS3_LLSC = arch/mips/tools/loongson3-llsc-check
 quiet_cmd_ls3_llsc = LLSCCHK $@

index 196c44fa72d9..a11867bc02fa 100644
@@ -117,7 +117,7 @@ targets += vmlinux.its.S
 quiet_cmd_its_cat = CAT     $@
       cmd_its_cat = cat $(real-prereqs) >$@
 
-$(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
+$(obj)/vmlinux.its.S: $(addprefix $(srctree)arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
 	$(call if_changed,its_cat)
 
 targets += vmlinux.its

index 6cc28173bee8..741f195bc9e8 100644
@@ -12,7 +12,7 @@
 # Author: Wu Zhangjin <[email protected]>
 #
 
-include $(srctree)/arch/mips/Kbuild.platforms
+include $(srctree)arch/mips/Kbuild.platforms
 
 # set the default size of the mallocing area for decompressing
 BOOT_HEAP_SIZE := 0x400000

@@ -186,7 +186,7 @@ targets += ../vmlinuz.its.S
 quiet_cmd_its_cat = CAT     $@
       cmd_its_cat = cat $(real-prereqs) >$@
 
-$(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
+$(objboot)/vmlinuz.its.S: $(addprefix $(srctree)arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
 	$(call if_changed,its_cat)
 
 targets += ../vmlinuz.its

index e6b21de65cca..c4a8cfb4cf0e 100644
@@ -4,9 +4,9 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 
 $(shell mkdir -p $(uapi) $(kapi))
 
-syshdr := $(srctree)/scripts/syscallhdr.sh
-sysnr := $(srctree)/$(src)/syscallnr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+sysnr := $(srctree)$(src)/syscallnr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --offset __NR_Linux $< $@

index 805aeea2166e..6ce617de3cb7 100644
@@ -2,7 +2,7 @@
 # Makefile for KVM support for MIPS
 #
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 ccflags-y += -Ivirt/kvm -Iarch/mips/kvm
 

index eb56581f6d73..c768741a677f 100644
@@ -5,7 +5,7 @@
  KCSAN_SANITIZE			:= n
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 obj-vdso-y := elf.o vgettimeofday.o sigreturn.o
 

@@ -43,8 +43,8 @@ CFLAGS_vgettimeofday.o = -include $(c-gettimeofday-y)
 # config-n32-o32-env.c prepares the environment to build a 32bit vDSO
 # library on a 64bit kernel.
 # Note: Needs to be included before than the generic library.
-CFLAGS_vgettimeofday-o32.o = -include $(srctree)/$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
-CFLAGS_vgettimeofday-n32.o = -include $(srctree)/$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
+CFLAGS_vgettimeofday-o32.o = -include $(srctree)$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
+CFLAGS_vgettimeofday-n32.o = -include $(srctree)$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
 endif
 
 CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE)

index 1093e2111af0..9bfc2bc5fb6f 100644
@@ -2,5 +2,5 @@
 
 obj-y := $(patsubst %.dts,%.dtb.o,$(CONFIG_NIOS2_DTB_SOURCE))
 
-dtstree		:= $(srctree:%/=%)/$(src)
+dtstree		:= $(srctree)$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 316f84f1d15c..2f25adc486ec 100644
@@ -127,7 +127,7 @@ PALO := $(shell if (which palo 2>&1); then : ; \
 	elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 	fi)
 
-PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
+PALOCONF := $(shell if [ -f $(srctree)palo.conf ]; then echo $(srctree)palo.conf; \
 	else echo $(objtree)/palo.conf; \
 	fi)
 

@@ -138,7 +138,7 @@ palo lifimage: vmlinuz
 		false; \
 	fi
 	@if test ! -f "$(PALOCONF)"; then \
-		cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
+		cp $(srctree)arch/parisc/defpalo.conf $(objtree)/palo.conf; \
 		echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
 		echo 'You should check it and re-run "make palo".'; \
 		echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \

index 8440c16dfb22..1c5be3e413ca 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis common,$* $< $@

index 4459a48d2303..3216d26d3518 100644
@@ -45,7 +45,7 @@ quiet_cmd_vdso32cc = VDSO32C $@
       cmd_vdso32cc = $(CROSS32CC) $(c_flags) -c -fPIC -mno-fast-indirect-calls -o $@ $<
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
 	cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index f3d6045793f4..b29aab246852 100644
@@ -40,7 +40,7 @@ quiet_cmd_vdso64as = VDSO64A $@
       cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
 	cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index 051247027da0..7b482361b048 100644
@@ -172,7 +172,7 @@ CFLAGS-y += $(CONFIG_TUNE_CPU)
 
 asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
 
-KBUILD_CPPFLAGS	+= -I $(srctree)/arch/powerpc $(asinstr)
+KBUILD_CPPFLAGS	+= -I $(srctree)arch/powerpc $(asinstr)
 KBUILD_AFLAGS	+= $(AFLAGS-y)
 KBUILD_CFLAGS	+= $(call cc-option,-msoft-float)
 KBUILD_CFLAGS	+= $(CFLAGS-y)

@@ -187,7 +187,7 @@ endif
 
 ifdef CONFIG_476FPE_ERR46
 	KBUILD_LDFLAGS_MODULE += --ppc476-workaround \
-		-T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds
+		-T $(srctree)arch/powerpc/platforms/44x/ppc476_modules.lds
 endif
 
 # No prefix or pcrel

@@ -255,7 +255,7 @@ PHONY += bootwrapper_install
 bootwrapper_install:
 	$(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
 
-include $(srctree)/scripts/Makefile.defconf
+include $(srctree)scripts/Makefile.defconf
 
 generated_configs += ppc64le_defconfig
 ppc64le_defconfig:

@@ -311,8 +311,8 @@ mpc86xx_smp_defconfig:
 
 generated_configs += ppc32_allmodconfig
 ppc32_allmodconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \
-		-f $(srctree)/Makefile allmodconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/book3s_32.config \
+		-f $(srctree)Makefile allmodconfig
 
 generated_configs += ppc_defconfig
 ppc_defconfig:

@@ -320,28 +320,28 @@ ppc_defconfig:
 
 generated_configs += ppc64le_allmodconfig
 ppc64le_allmodconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \
-		-f $(srctree)/Makefile allmodconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/le.config \
+		-f $(srctree)Makefile allmodconfig
 
 generated_configs += ppc64le_allnoconfig
 ppc64le_allnoconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \
-		-f $(srctree)/Makefile allnoconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/ppc64le.config \
+		-f $(srctree)Makefile allnoconfig
 
 generated_configs += ppc64_book3e_allmodconfig
 ppc64_book3e_allmodconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \
-		-f $(srctree)/Makefile allmodconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/85xx-64bit.config \
+		-f $(srctree)Makefile allmodconfig
 
 generated_configs += ppc32_randconfig
 ppc32_randconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \
-		-f $(srctree)/Makefile randconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/32-bit.config \
+		-f $(srctree)Makefile randconfig
 
 generated_configs += ppc64_randconfig
 ppc64_randconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \
-		-f $(srctree)/Makefile randconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/powerpc/configs/64-bit.config \
+		-f $(srctree)Makefile randconfig
 
 PHONY += $(generated_configs)
 

index ae5a4256b03d..61f56125d2d7 100644
@@ -9,19 +9,19 @@ PHONY := __archpost
 __archpost:
 
 -include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 quiet_cmd_head_check = CHKHEAD $@
-      cmd_head_check = $(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/head_check.sh "$(NM)" "$@"
+      cmd_head_check = $(CONFIG_SHELL) $(srctree)arch/powerpc/tools/head_check.sh "$(NM)" "$@"
 
 quiet_cmd_relocs_check = CHKREL  $@
 ifdef CONFIG_PPC_BOOK3S_64
       cmd_relocs_check =						\
-	$(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@" ; \
-	$(BASH) $(srctree)/arch/powerpc/tools/unrel_branch_check.sh "$(OBJDUMP)" "$(NM)" "$@"
+	$(CONFIG_SHELL) $(srctree)arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@" ; \
+	$(BASH) $(srctree)arch/powerpc/tools/unrel_branch_check.sh "$(OBJDUMP)" "$(NM)" "$@"
 else
       cmd_relocs_check =						\
-	$(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@"
+	$(CONFIG_SHELL) $(srctree)arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@"
 endif
 
 # `@true` prevents complaint when there is nothing to be done

index 968aee2025b8..bb3f791da736 100644
@@ -98,8 +98,8 @@ ifeq ($(call cc-option-yn, -fstack-protector),y)
 BOOTCFLAGS	+= -fno-stack-protector
 endif
 
-BOOTCFLAGS	+= -include $(srctree)/include/linux/compiler_attributes.h
-BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)/$(obj)
+BOOTCFLAGS	+= -include $(srctree)include/linux/compiler_attributes.h
+BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)$(obj)
 
 DTC_FLAGS	?= -p 1024
 

@@ -195,30 +195,30 @@ obj-plat := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-plat))))
 obj-plat: $(libfdt)
 
 quiet_cmd_copy_kern_src = COPY    $@
-      cmd_copy_kern_src = sed -f $(srctree)/arch/powerpc/boot/fixup-headers.sed $< > $@
+      cmd_copy_kern_src = sed -f $(srctree)arch/powerpc/boot/fixup-headers.sed $< > $@
 
-$(addprefix $(obj)/,$(zlib-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
+$(addprefix $(obj)/,$(zlib-y)): $(obj)/%: $(srctree)lib/zlib_inflate/%
 	$(call cmd,copy_kern_src)
 
-$(addprefix $(obj)/,$(zlibheader-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
+$(addprefix $(obj)/,$(zlibheader-y)): $(obj)/%: $(srctree)lib/zlib_inflate/%
 	$(call cmd,copy_kern_src)
 
-$(addprefix $(obj)/,$(zliblinuxheader-y)): $(obj)/%: $(srctree)/include/linux/%
+$(addprefix $(obj)/,$(zliblinuxheader-y)): $(obj)/%: $(srctree)include/linux/%
 	$(call cmd,copy_kern_src)
 
-$(addprefix $(obj)/,$(zlib-decomp-y)): $(obj)/%: $(srctree)/lib/%
+$(addprefix $(obj)/,$(zlib-decomp-y)): $(obj)/%: $(srctree)lib/%
 	$(call cmd,copy_kern_src)
 
 quiet_cmd_copy_libfdt = COPY    $@
       cmd_copy_libfdt = cp $< $@
 
-$(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/%
+$(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)scripts/dtc/libfdt/%
 	$(call cmd,copy_libfdt)
 
 $(obj)/empty.c:
 	$(Q)touch $@
 
-$(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)/$(src)/%.S
+$(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)$(src)/%.S
 	$(Q)cp $< $@
 
 clean-files := $(zlib-) $(zlibheader-) $(zliblinuxheader-) \

@@ -234,7 +234,7 @@ quiet_cmd_bootas = BOOTAS  $@
 quiet_cmd_bootar = BOOTAR  $@
       cmd_bootar = $(BOOTAR) $(BOOTARFLAGS) $@.$$$$ $(real-prereqs); mv $@.$$$$ $@
 
-$(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE
+$(obj-libfdt): $(obj)/%.o: $(srctree)scripts/dtc/libfdt/%.c FORCE
 	$(call if_changed_dep,bootcc)
 $(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE
 	$(Q)mkdir -p $(dir $@)

@@ -252,9 +252,9 @@ targets		+= $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) zImage.lds
 extra-y		:= $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
 		   $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
 
-dtstree		:= $(srctree)/$(src)/dts
+dtstree		:= $(srctree)$(src)/dts
 
-wrapper		:=$(srctree)/$(src)/wrapper
+wrapper		:=$(srctree)$(src)/wrapper
 wrapperbits	:= $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \
 			$(wrapper) FORCE
 

@@ -483,13 +483,13 @@ quiet_cmd_install	  = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,%,$@)
       cmd_install	  = $(INSTALL)  -m0644 $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,$(obj)/%,$@) $@
 
 quiet_cmd_install_dts	  = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,dts/%,$@)
-      cmd_install_dts	  = $(INSTALL)  -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)/$(obj)/dts/%,$@) $@
+      cmd_install_dts	  = $(INSTALL)  -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)$(obj)/dts/%,$@) $@
 
 quiet_cmd_install_exe	  = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
       cmd_install_exe	  = $(INSTALL)  -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(obj)/%,$@) $@
 
 quiet_cmd_install_wrapper = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
-      cmd_install_wrapper = $(INSTALL)  -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)/$(obj)/%,$@) $@ ;\
+      cmd_install_wrapper = $(INSTALL)  -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)$(obj)/%,$@) $@ ;\
 				sed -i $@ -e 's%^object=.*%object=$(WRAPPER_OBJDIR)%' \
 					  -e 's%^objbin=.*%objbin=$(WRAPPER_BINDIR)%' \
 

@@ -503,10 +503,10 @@ $(extra-installed)	: $(DESTDIR)$(WRAPPER_OBJDIR)/% : $(obj)/% | $(DESTDIR)$(WRAP
 $(hostprogs-installed)  : $(DESTDIR)$(WRAPPER_BINDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_BINDIR)
 	$(call cmd,install_exe)
 
-$(dts-installed)	: $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)/$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR)
+$(dts-installed)	: $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR)
 	$(call cmd,install_dts)
 
-$(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)/$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR)
+$(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR)
 	$(call cmd,install_wrapper)
 
 $(obj)/bootwrapper_install: $(all-installed)

index 211b96e6ee6d..371b7313b5be 100644
@@ -2,5 +2,5 @@
 
 subdir-y += fsl
 
-dtstree		:= $(srctree:%/=%)/$(src)
+dtstree		:= $(srctree)$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index ee7110fbbdbe..c54025b68b1e 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 
-dtstree		:= $(srctree:%/=%)/$(src)
+dtstree		:= $(srctree)$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 9d7bd81510b8..a922dcbee6c4 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis $(abis) $< $@

index 1b93655c2857..bc897b7918a7 100644
@@ -3,7 +3,7 @@
 # List of files in the vdso, has to be asm only for now
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 obj-vdso32 = sigtramp32-32.o gettimeofday-32.o datapage-32.o cacheflush-32.o note-32.o getcpu-32.o
 obj-vdso64 = sigtramp64-64.o gettimeofday-64.o datapage-64.o cacheflush-64.o note-64.o getcpu-64.o

@@ -90,10 +90,10 @@ $(obj)/vgettimeofday-64.o: %-64.o: %.c FORCE
 	$(call if_changed_dep,cc_o_c)
 
 # Generate VDSO offsets using helper script
-gen-vdso32sym := $(srctree)/$(src)/gen_vdso32_offsets.sh
+gen-vdso32sym := $(srctree)$(src)/gen_vdso32_offsets.sh
 quiet_cmd_vdso32sym = VDSO32SYM $@
       cmd_vdso32sym = $(NM) $< | $(gen-vdso32sym) | LC_ALL=C sort > $@
-gen-vdso64sym := $(srctree)/$(src)/gen_vdso64_offsets.sh
+gen-vdso64sym := $(srctree)$(src)/gen_vdso64_offsets.sh
 quiet_cmd_vdso64sym = VDSO64SYM $@
       cmd_vdso64sym = $(NM) $< | $(gen-vdso64sym) | LC_ALL=C sort > $@
 

index 4bd9d1230869..1aa3983516d8 100644
@@ -5,7 +5,7 @@
 
 ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 common-objs-y += powerpc.o emulate_loadstore.o
 obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o

index 52e4c80ec8d0..e3cbde4e9794 100644
@@ -15,8 +15,8 @@ SPU_CC		:= $(SPU_CROSS)gcc
 SPU_AS		:= $(SPU_CROSS)gcc
 SPU_LD		:= $(SPU_CROSS)ld
 SPU_OBJCOPY	:= $(SPU_CROSS)objcopy
-SPU_CFLAGS	:= -O2 -Wall -I$(srctree)/include -D__KERNEL__
-SPU_AFLAGS	:= -c -D__ASSEMBLY__ -I$(srctree)/include -D__KERNEL__
+SPU_CFLAGS	:= -O2 -Wall -I$(srctree)include -D__KERNEL__
+SPU_AFLAGS	:= -c -D__ASSEMBLY__ -I$(srctree)include -D__KERNEL__
 SPU_LDFLAGS	:= -N -Ttext=0x0
 
 $(obj)/switch.o: $(obj)/spu_save_dump.h $(obj)/spu_restore_dump.h

index 0b7d109258e7..267fbdd74613 100644
@@ -179,18 +179,18 @@ install zinstall:
 
 PHONY += rv32_randconfig
 rv32_randconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/32-bit.config \
-		-f $(srctree)/Makefile randconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/riscv/configs/32-bit.config \
+		-f $(srctree)Makefile randconfig
 
 PHONY += rv64_randconfig
 rv64_randconfig:
-	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/64-bit.config \
-		-f $(srctree)/Makefile randconfig
+	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)arch/riscv/configs/64-bit.config \
+		-f $(srctree)Makefile randconfig
 
 PHONY += rv32_defconfig
 rv32_defconfig:
-	$(Q)$(MAKE) -f $(srctree)/Makefile defconfig 32-bit.config
+	$(Q)$(MAKE) -f $(srctree)Makefile defconfig 32-bit.config
 
 PHONY += rv32_nommu_virt_defconfig
 rv32_nommu_virt_defconfig:
-	$(Q)$(MAKE) -f $(srctree)/Makefile nommu_virt_defconfig 32-bit.config
+	$(Q)$(MAKE) -f $(srctree)Makefile nommu_virt_defconfig 32-bit.config

index 829b9abc91f6..5908b0af8ea2 100644
@@ -9,11 +9,11 @@ PHONY := __archpost
 __archpost:
 
 -include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 quiet_cmd_relocs_check = CHKREL  $@
 cmd_relocs_check = 							\
-	$(CONFIG_SHELL) $(srctree)/arch/riscv/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@"
+	$(CONFIG_SHELL) $(srctree)arch/riscv/tools/relocs_check.sh "$(OBJDUMP)" "$(NM)" "$@"
 
 ifdef CONFIG_RELOCATABLE
 quiet_cmd_cp_vmlinux_relocs = CPREL   vmlinux.relocs

index 8e7fc0edf21d..f8e474384f9f 100644
@@ -74,4 +74,4 @@ EFI_ZBOOT_PAYLOAD	:= Image
 EFI_ZBOOT_BFD_TARGET	:= elf$(BITS)-littleriscv
 EFI_ZBOOT_MACH_TYPE	:= RISCV$(BITS)
 
-include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
+include $(srctree)drivers/firmware/efi/libstub/Makefile.zboot

index 62fa393b2eb2..5dab506a39a8 100644
@@ -58,7 +58,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
 	$(call if_changed,objcopy)
 
 # Generate VDSO offsets using helper script
-gen-compat_vdsosym := $(srctree)/$(src)/gen_compat_vdso_offsets.sh
+gen-compat_vdsosym := $(srctree)$(src)/gen_compat_vdso_offsets.sh
 quiet_cmd_compat_vdsosym = VDSOSYM $@
 	cmd_compat_vdsosym = $(NM) $< | $(gen-compat_vdsosym) | LC_ALL=C sort > $@
 

index 07915dc9279e..f3442904dd19 100644
@@ -4,7 +4,7 @@
 KBUILD_CFLAGS	:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \
 		   -Os -DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN) \
 		   $(call cc-option,-mbranch-protection=none) \
-		   -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \
+		   -I$(srctree)scripts/dtc/libfdt -fno-stack-protector \
 		   -D__DISABLE_EXPORTS -ffreestanding \
 		   -fno-asynchronous-unwind-tables -fno-unwind-tables \
 		   $(call cc-option,-fno-addrsig)

@@ -26,13 +26,13 @@ $(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \
 $(obj)/%.pi.o: $(obj)/%.o FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
+$(obj)/lib-%.o: $(srctree)lib/%.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
-$(obj)/string.o: $(srctree)/lib/string.c FORCE
+$(obj)/string.o: $(srctree)lib/string.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
-$(obj)/ctype.o: $(srctree)/lib/ctype.c FORCE
+$(obj)/ctype.o: $(srctree)lib/ctype.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 obj-y		:= cmdline_early.pi.o fdt_early.pi.o string.pi.o ctype.pi.o lib-fdt.pi.o lib-fdt_ro.pi.o

index 9b517fe1b8a8..e40437f074eb 100644
@@ -2,7 +2,7 @@
 # Copied from arch/tile/kernel/vdso/Makefile
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 # Symbols present in the vdso
 vdso-syms  = rt_sigreturn
 ifdef CONFIG_64BIT

@@ -59,7 +59,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
 	$(call if_changed,objcopy)
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
 	cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index c9646521f113..fd79ef531b7f 100644
@@ -3,9 +3,9 @@
 # Makefile for RISC-V KVM support
 #
 
-ccflags-y += -I $(srctree)/$(src)
+ccflags-y += -I $(srctree)$(src)
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 obj-$(CONFIG_KVM) += kvm.o
 

index 280b0eb352b8..2e1967181564 100644
@@ -7,28 +7,28 @@ purgatory-y += strcmp.o strlen.o strncmp.o
 targets += $(purgatory-y)
 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
 
-$(obj)/string.o: $(srctree)/lib/string.c FORCE
+$(obj)/string.o: $(srctree)lib/string.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
-$(obj)/ctype.o: $(srctree)/lib/ctype.c FORCE
+$(obj)/ctype.o: $(srctree)lib/ctype.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
-$(obj)/memcpy.o: $(srctree)/arch/riscv/lib/memcpy.S FORCE
+$(obj)/memcpy.o: $(srctree)arch/riscv/lib/memcpy.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-$(obj)/memset.o: $(srctree)/arch/riscv/lib/memset.S FORCE
+$(obj)/memset.o: $(srctree)arch/riscv/lib/memset.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-$(obj)/strcmp.o: $(srctree)/arch/riscv/lib/strcmp.S FORCE
+$(obj)/strcmp.o: $(srctree)arch/riscv/lib/strcmp.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-$(obj)/strlen.o: $(srctree)/arch/riscv/lib/strlen.S FORCE
+$(obj)/strlen.o: $(srctree)arch/riscv/lib/strlen.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-$(obj)/strncmp.o: $(srctree)/arch/riscv/lib/strncmp.S FORCE
+$(obj)/strncmp.o: $(srctree)arch/riscv/lib/strncmp.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
+$(obj)/sha256.o: $(srctree)lib/crypto/sha256.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 CFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_FORTIFY

index 73873e451686..941a94546f9a 100644
@@ -60,7 +60,7 @@ cflags-$(CONFIG_MARCH_Z14_TUNE)		+= -mtune=z14
 cflags-$(CONFIG_MARCH_Z15_TUNE)		+= -mtune=z15
 cflags-$(CONFIG_MARCH_Z16_TUNE)		+= -mtune=z16
 
-cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
+cflags-y += -Wa,-I$(srctree)arch/$(ARCH)/include
 
 #
 # Prevent tail-call optimizations, to get clearer backtraces:

index c7c81e5f9218..64336b5ef3ba 100644
@@ -33,7 +33,7 @@ CFLAGS_REMOVE_sclp_early_core.o	+= $(CC_FLAGS_MARCH)
 CFLAGS_sclp_early_core.o	+= $(CC_FLAGS_MARCH_MINIMUM)
 endif
 
-CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char
+CFLAGS_sclp_early_core.o += -I$(srctree)drivers/s390/char
 
 obj-y	:= head.o als.o startup.o physmem_info.o ipl_parm.o ipl_report.o vmem.o
 obj-y	+= string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o

index fb85e797946d..0cde9f928732 100644
@@ -4,8 +4,8 @@ gen	:= arch/$(ARCH)/include/generated
 kapi	:= $(gen)/asm
 uapi	:= $(gen)/uapi/asm
 
-syscall	:= $(srctree)/$(src)/syscall.tbl
-systbl	:= $(srctree)/$(src)/syscalltbl
+syscall	:= $(srctree)$(src)/syscall.tbl
+systbl	:= $(srctree)$(src)/syscalltbl
 
 gen-y := $(kapi)/syscall_table.h
 kapi-hdrs-y := $(kapi)/unistd_nr.h

index caec7db6f966..85d0a4401801 100644
@@ -4,7 +4,7 @@
 KCOV_INSTRUMENT := n
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 obj-vdso32 = vdso_user_wrapper-32.o note-32.o
 
 # Build rules

@@ -62,7 +62,7 @@ quiet_cmd_vdso32cc = VDSO32C $@
       cmd_vdso32cc = $(CC) $(c_flags) -c -o $@ $<
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
 	cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index e3c9085f8fa7..7d3098e0cf80 100644
@@ -4,7 +4,7 @@
 KCOV_INSTRUMENT := n
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 obj-vdso64 = vdso_user_wrapper.o note.o
 obj-cvdso64 = vdso64_generic.o getcpu.o
 VDSO_CFLAGS_REMOVE := -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE) $(CC_FLAGS_CHECK_STACK)

@@ -71,7 +71,7 @@ quiet_cmd_vdso64cc = VDSO64C $@
       cmd_vdso64cc = $(CC) $(c_flags) -c -o $@ $<
 
 # Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(srctree)$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
 	cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 

index 02217fb4ae10..18f932f79fe9 100644
@@ -3,7 +3,7 @@
 #
 # Copyright IBM Corp. 2008
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 ccflags-y := -Ivirt/kvm -Iarch/s390/kvm
 

index 4e930f566878..9e09a58b7a45 100644
@@ -7,12 +7,12 @@ purgatory-y := head.o purgatory.o string.o sha256.o mem.o
 targets += $(purgatory-y) purgatory.lds purgatory purgatory.chk purgatory.ro
 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
 
-$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
+$(obj)/sha256.o: $(srctree)lib/crypto/sha256.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 CFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_FORTIFY
 
-$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
+$(obj)/mem.o: $(srctree)arch/s390/lib/mem.S FORCE
 	$(call if_changed_rule,as_o_S)
 
 KCOV_INSTRUMENT := n

index f9dd47ff9ac4..54405a082117 100644
@@ -18,7 +18,7 @@ HOSTCFLAGS_gen_facilities.o += $(LINUXINCLUDE)
 filechk_facility-defs.h = $(obj)/gen_facilities
 
 filechk_dis-defs.h = \
-	$(obj)/gen_opcode_table < $(srctree)/arch/$(ARCH)/tools/opcodes.txt
+	$(obj)/gen_opcode_table < $(srctree)arch/$(ARCH)/tools/opcodes.txt
 
 $(kapi)/facility-defs.h: $(obj)/gen_facilities FORCE
 	$(call filechk,facility-defs.h)

index cab2f9c011a8..0453767cb0ab 100644
@@ -145,7 +145,7 @@ cpuincdir-y			+= cpu-common	# Must be last
 
 drivers-y			+= arch/sh/drivers/
 
-KBUILD_CPPFLAGS		+= $(addprefix -I $(srctree)/arch/sh/include/, $(cpuincdir-y) $(machdir-y))
+KBUILD_CPPFLAGS		+= $(addprefix -I $(srctree)arch/sh/include/, $(cpuincdir-y) $(machdir-y))
 KBUILD_CFLAGS		+= -pipe $(cflags-y)
 KBUILD_AFLAGS		+= $(cflags-y)
 

index b265e4bc16c2..5571f3cf66fd 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@

index 8440c16dfb22..1c5be3e413ca 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis common,$* $< $@

index 7f5eedf1f5e0..11311caa099b 100644
@@ -28,7 +28,7 @@ VDSO_LDFLAGS_vdso.lds = -m elf64_sparc -soname linux-vdso.so.1 --no-undefined \
 $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include
+HOST_EXTRACFLAGS += -I$(srctree)tools/include
 hostprogs += vdso2c
 
 quiet_cmd_vdso2c = VDSO2C  $@

@@ -102,7 +102,7 @@ quiet_cmd_vdso = VDSO    $@
       cmd_vdso = $(LD) -nostdlib -o $@ \
 		       $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
 		       -T $(filter %.lds,$^) $(filter %.o,$^) && \
-		sh $(srctree)/$(src)/checkundef.sh '$(OBJDUMP)' '$@'
+		sh $(srctree)$(src)/checkundef.sh '$(OBJDUMP)' '$@'
 
 VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic
 GCOV_PROFILE := n

index 34957dcb88b9..6f8eb24b04d3 100644
@@ -22,7 +22,7 @@ ARCH_DIR := arch/um
 # features.
 SHELL := /bin/bash
 
-MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
+MODE_INCLUDE	+= -I$(srctree)$(ARCH_DIR)/include/shared/skas
 
 HEADER_ARCH 	:= $(SUBARCH)
 

@@ -36,15 +36,15 @@ endif
 
 HOST_DIR := arch/$(HEADER_ARCH)
 
-include $(srctree)/$(ARCH_DIR)/Makefile-skas
-include $(srctree)/$(HOST_DIR)/Makefile.um
+include $(srctree)$(ARCH_DIR)/Makefile-skas
+include $(srctree)$(HOST_DIR)/Makefile.um
 
 core-y += $(HOST_DIR)/um/
 
 SHARED_HEADERS	:= $(ARCH_DIR)/include/shared
-ARCH_INCLUDE	:= -I$(srctree)/$(SHARED_HEADERS)
-ARCH_INCLUDE	+= -I$(srctree)/$(HOST_DIR)/um/shared
-KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/um
+ARCH_INCLUDE	:= -I$(srctree)$(SHARED_HEADERS)
+ARCH_INCLUDE	+= -I$(srctree)$(HOST_DIR)/um/shared
+KBUILD_CPPFLAGS += -I$(srctree)$(HOST_DIR)/um
 
 # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
 # named - it's a common symbol in libpcap, so we get a binary which crashes.

@@ -69,14 +69,14 @@ KBUILD_AFLAGS += $(ARCH_INCLUDE)
 
 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
 		$(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
-		-D_FILE_OFFSET_BITS=64 -idirafter $(srctree)/include \
+		-D_FILE_OFFSET_BITS=64 -idirafter $(srctree)include \
 		-idirafter $(objtree)/include -D__KERNEL__ -D__UM_HOST__
 
 #This will adjust *FLAGS accordingly to the platform.
-include $(srctree)/$(ARCH_DIR)/Makefile-os-Linux
+include $(srctree)$(ARCH_DIR)/Makefile-os-Linux
 
-KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include \
-		   -I$(srctree)/$(HOST_DIR)/include/uapi \
+KBUILD_CPPFLAGS += -I$(srctree)$(HOST_DIR)/include \
+		   -I$(srctree)$(HOST_DIR)/include/uapi \
 		   -I$(objtree)/$(HOST_DIR)/include/generated \
 		   -I$(objtree)/$(HOST_DIR)/include/generated/uapi
 

@@ -109,7 +109,7 @@ define archhelp
 endef
 
 archheaders:
-	$(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) asm-generic archheaders
+	$(Q)$(MAKE) -f $(srctree)Makefile ARCH=$(HEADER_ARCH) asm-generic archheaders
 
 archprepare:
 	$(Q)$(MAKE) $(build)=$(HOST_DIR)/um include/generated/user_constants.h

index 0e6af81096fd..b7de537582c7 100644
@@ -74,4 +74,4 @@ CFLAGS_null.o = -DDEV_NULL=$(DEV_NULL_PATH)
 
 CFLAGS_xterm.o += '-DCONFIG_XTERM_CHAN_DEFAULT_EMULATOR="$(CONFIG_XTERM_CHAN_DEFAULT_EMULATOR)"'
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index 811188be954c..c99b3d0b1014 100644
@@ -29,7 +29,7 @@ obj-$(CONFIG_GENERIC_PCI_IOMAP) += ioport.o
 
 USER_OBJS := config.o
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules
 
 targets := config.c config.tmp capflags.c
 

@@ -47,7 +47,7 @@ $(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE
 	$(call if_changed,quote2)
 
 quiet_cmd_mkcapflags = MKCAP   $@
-      cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/../../x86/kernel/cpu/mkcapflags.sh $@ $^
+      cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)$(src)/../../x86/kernel/cpu/mkcapflags.sh $@ $^
 
 cpufeature = $(src)/../../x86/include/asm/cpufeatures.h
 vmxfeature = $(src)/../../x86/include/asm/vmxfeatures.h

index f93972a25765..929dda4578bb 100644
@@ -14,4 +14,4 @@ UNPROFILE_OBJS := clone.o
 
 KCOV_INSTRUMENT := n
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index 544e0b344c75..7f380b0877bc 100644
@@ -18,4 +18,4 @@ USER_OBJS := $(user-objs-y) elf_aux.o execvp.o file.o helper.o irq.o \
 	main.o mem.o process.o registers.o sigio.o signal.o start_up.o time.o \
 	tty.o umid.o util.o
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index cf2d75bb1884..0ea1e47391d3 100644
@@ -10,4 +10,4 @@ obj-y =
 obj-$(CONFIG_UML_NET_ETHERTAP) += ethertap.o
 obj-$(CONFIG_UML_NET_TUNTAP) += tuntap.o
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index 75f11989d2e9..38b63b8bcf43 100644
@@ -7,4 +7,4 @@ obj-y := mem.o process.o
 
 USER_OBJS := $(obj-y)
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index a8b7d9dab0a6..80ef520399f5 100644
@@ -9,7 +9,7 @@ USER_OBJS += $(filter %_user.o,$(obj-y) $(USER_SINGLE_OBJS))
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
 $(USER_OBJS:.o=.%): \
-	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/include/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o)
+	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)include/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o)
 
 # These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of
 # using it directly.

index da8f3caf2781..473c46ffb7f3 100644
@@ -106,7 +106,7 @@ ifeq ($(CONFIG_X86_32),y)
         KBUILD_CFLAGS += $(cc_stack_align4)
 
         # CPU-specific tuning. Anything which can be shared with UML should go here.
-        include $(srctree)/arch/x86/Makefile_32.cpu
+        include $(srctree)arch/x86/Makefile_32.cpu
         KBUILD_CFLAGS += $(cflags-y)
 
         # temporary until string.h is fixed

@@ -311,12 +311,12 @@ endif
 
 ifdef CONFIG_UNWINDER_ORC
 orc_hash_h := arch/$(SRCARCH)/include/generated/asm/orc_hash.h
-orc_hash_sh := $(srctree)/scripts/orc_hash.sh
+orc_hash_sh := $(srctree)scripts/orc_hash.sh
 targets += $(orc_hash_h)
 quiet_cmd_orc_hash = GEN     $@
       cmd_orc_hash = mkdir -p $(dir $@); \
 		     $(CONFIG_SHELL) $(orc_hash_sh) < $< > $@
-$(orc_hash_h): $(srctree)/arch/x86/include/asm/orc_types.h $(orc_hash_sh) FORCE
+$(orc_hash_h): $(srctree)arch/x86/include/asm/orc_types.h $(orc_hash_sh) FORCE
 	$(call if_changed,orc_hash)
 archprepare: $(orc_hash_h)
 endif

index fef2e977cc7d..4933f911e0d8 100644
@@ -10,7 +10,7 @@ PHONY := __archpost
 __archpost:
 
 -include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 CMD_RELOCS = arch/x86/tools/relocs
 OUT_RELOCS = arch/x86/boot/compressed

index 2106a2bd152b..211ac1bec33e 100644
@@ -28,7 +28,7 @@ LDS_EXTRA		:= -Ui386
 export LDS_EXTRA
 
 # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
-include $(srctree)/arch/x86/Makefile_32.cpu
+include $(srctree)arch/x86/Makefile_32.cpu
 
 # prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
 cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)

index 3cece19b7473..6be0a94013cf 100644
@@ -51,7 +51,7 @@ targets		+= $(setup-y)
 hostprogs	:= tools/build
 hostprogs	+= mkcpustr
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
+HOST_EXTRACFLAGS += -I$(srctree)tools/include \
 		    -include include/generated/autoconf.h \
 	            -D__EXPORTED_HEADERS__
 

@@ -67,7 +67,7 @@ targets += cpustr.h
 
 KBUILD_CFLAGS	:= $(REALMODE_CFLAGS) -D_SETUP
 KBUILD_AFLAGS	:= $(KBUILD_CFLAGS) -D__ASSEMBLY__
-KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)=)
 KBUILD_CFLAGS	+= -fno-asynchronous-unwind-tables
 GCOV_PROFILE := n
 UBSAN_SANITIZE := n

@@ -129,7 +129,7 @@ targets += mtools.conf
 # genimage.sh requires bash, but it also has a bunch of other
 # external dependencies.
 quiet_cmd_genimage = GENIMAGE $3
-cmd_genimage = $(BASH) $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \
+cmd_genimage = $(BASH) $(srctree)$(src)/genimage.sh $2 $3 $(obj)/bzImage \
 		$(obj)/mtools.conf '$(FDARGS)' $(FDINITRD)
 
 PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage

index f19c038409aa..1cf9666f3d6e 100644
@@ -46,12 +46,12 @@ KBUILD_CFLAGS += -fno-stack-protector
 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 KBUILD_CFLAGS += -Wno-pointer-sign
-KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)=)
 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
 KBUILD_CFLAGS += -D__DISABLE_EXPORTS
 # Disable relocation relaxation in case the link is not PIE.
 KBUILD_CFLAGS += $(call cc-option,-Wa$(comma)-mrelax-relocations=no)
-KBUILD_CFLAGS += -include $(srctree)/include/linux/hidden.h
+KBUILD_CFLAGS += -include $(srctree)include/linux/hidden.h
 
 # sev.c indirectly includes inat-table.h which is generated during
 # compilation and stored in $(objtree). Add the directory to the includes so

@@ -82,7 +82,7 @@ endif
 LDFLAGS_vmlinux += -T
 
 hostprogs	:= mkpiggy
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include
+HOST_EXTRACFLAGS += -I$(srctree)tools/include
 
 sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|__bss_start\|_end\)$$/\#define VO_\2 _AC(0x\1,UL)/p'
 

index eca5d6eff132..b44920f88370 100644
@@ -8,8 +8,8 @@ $(shell mkdir -p $(out) $(uapi))
 syscall32 := $(src)/syscall_32.tbl
 syscall64 := $(src)/syscall_64.tbl
 
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 offset :=
 prefix :=
 

@@ -57,10 +57,10 @@ $(out)/syscalls_x32.h: abis := common,x32
 $(out)/syscalls_x32.h: $(syscall64) $(systbl) FORCE
 	$(call if_changed,systbl)
 
-$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh FORCE
+$(out)/xen-hypercalls.h: $(srctree)scripts/xen-hypercalls.sh FORCE
 	$(call if_changed,hypercalls)
 
-$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
+$(out)/xen-hypercalls.h: $(srctree)include/xen/interface/xen*.h
 
 uapisyshdr-y			+= unistd_32.h unistd_64.h unistd_x32.h
 syshdr-y			+= syscalls_32.h

index b1b8dd1608f7..ac8d18aa861c 100644
@@ -4,7 +4,7 @@
 #
 
 # Include the generic Makefile to check the built vdso.
-include $(srctree)/lib/vdso/Makefile
+include $(srctree)lib/vdso/Makefile
 
 # Sanitizer runtimes are unavailable and cannot be linked here.
 KASAN_SANITIZE			:= n

@@ -69,7 +69,7 @@ VDSO_LDFLAGS_vdso.lds = -m elf_x86_64 -soname linux-vdso.so.1 --no-undefined \
 $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso_and_check)
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi
+HOST_EXTRACFLAGS += -I$(srctree)tools/include -I$(srctree)include/uapi -I$(srctree)arch/$(SUBARCH)/include/uapi
 hostprogs += vdso2c
 
 quiet_cmd_vdso2c = VDSO2C  $@

@@ -182,7 +182,7 @@ quiet_cmd_vdso = VDSO    $@
       cmd_vdso = $(LD) -o $@ \
 		       $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
 		       -T $(filter %.lds,$^) $(filter %.o,$^) && \
-		 sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
+		 sh $(srctree)$(src)/checkundef.sh '$(NM)' '$@'
 
 VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 \
 	$(call ld-option, --eh-frame-hdr) -Bsymbolic -z noexecstack

index 0000325ab98f..afe50b80bed3 100644
@@ -39,7 +39,7 @@ KMSAN_SANITIZE_nmi.o					:= n
 KCOV_INSTRUMENT_head$(BITS).o				:= n
 KCOV_INSTRUMENT_sev.o					:= n
 
-CFLAGS_irq.o := -I $(srctree)/$(src)/../include/asm/trace
+CFLAGS_irq.o := -I $(srctree)$(src)/../include/asm/trace
 
 obj-y			+= head_$(BITS).o
 obj-y			+= head$(BITS).o

index 93eabf544031..86d19a37b592 100644
@@ -57,7 +57,7 @@ obj-$(CONFIG_ACRN_GUEST)		+= acrn.o
 obj-$(CONFIG_DEBUG_FS)			+= debugfs.o
 
 quiet_cmd_mkcapflags = MKCAP   $@
-      cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/mkcapflags.sh $@ $^
+      cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)$(src)/mkcapflags.sh $@ $^
 
 cpufeature = $(src)/../../include/asm/cpufeatures.h
 vmxfeature = $(src)/../../include/asm/vmxfeatures.h

index 475b5fa917a6..bad2410edf8e 100644
@@ -1,13 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
 
-ccflags-y += -I $(srctree)/arch/x86/kvm
+ccflags-y += -I $(srctree)arch/x86/kvm
 ccflags-$(CONFIG_KVM_WERROR) += -Werror
 
 ifeq ($(CONFIG_FRAME_POINTER),y)
 OBJECT_FILES_NON_STANDARD_vmenter.o := y
 endif
 
-include $(srctree)/virt/kvm/Makefile.kvm
+include $(srctree)virt/kvm/Makefile.kvm
 
 kvm-y			+= x86.o emulate.o i8259.o irq.o lapic.o \
 			   i8254.o ioapic.o irq_comm.o cpuid.o pmu.o mtrr.o \

index ea3a28e7b613..08fedf5cf823 100644
@@ -27,8 +27,8 @@ endif
 CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables
 endif
 
-inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
-inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
+inat_tables_script = $(srctree)arch/x86/tools/gen-insn-attr-x86.awk
+inat_tables_maps = $(srctree)arch/x86/lib/x86-opcode-map.txt
 quiet_cmd_inat_tables = GEN     $@
       cmd_inat_tables = $(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@
 

index c80febc44cd2..ef2a1c8f9950 100644
@@ -33,7 +33,7 @@ obj-y				+= pat/
 CFLAGS_physaddr.o		:= -fno-stack-protector
 CFLAGS_mem_encrypt_identity.o	:= -fno-stack-protector
 
-CFLAGS_fault.o := -I $(srctree)/$(src)/../include/asm/trace
+CFLAGS_fault.o := -I $(srctree)$(src)/../include/asm/trace
 
 obj-$(CONFIG_X86_32)		+= pgtable_32.o iomap_32.o
 

index 08aa0f25f12a..6e638431c9ad 100644
@@ -6,10 +6,10 @@ purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string
 targets += $(purgatory-y)
 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
 
-$(obj)/string.o: $(srctree)/arch/x86/boot/compressed/string.c FORCE
+$(obj)/string.o: $(srctree)arch/x86/boot/compressed/string.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
-$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
+$(obj)/sha256.o: $(srctree)lib/crypto/sha256.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 CFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_FORTIFY

index f614009d3e4e..61f038b91bda 100644
@@ -73,7 +73,7 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
 # ---------------------------------------------------------------------------
 
 KBUILD_CFLAGS	:= $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
-		   -I$(srctree)/arch/x86/boot
+		   -I$(srctree)arch/x86/boot
 KBUILD_AFLAGS	:= $(KBUILD_CFLAGS) -D__ASSEMBLY__
 KBUILD_CFLAGS	+= -fno-asynchronous-unwind-tables
 GCOV_PROFILE := n

index 7278e2545c35..224c6f3c48a5 100644
@@ -13,8 +13,8 @@ else
   posttest_64bit = -n
 endif
 
-reformatter = $(srctree)/arch/x86/tools/objdump_reformat.awk
-chkobjdump = $(srctree)/arch/x86/tools/chkobjdump.awk
+reformatter = $(srctree)arch/x86/tools/objdump_reformat.awk
+chkobjdump = $(srctree)arch/x86/tools/chkobjdump.awk
 
 quiet_cmd_posttest = TEST    $@
       cmd_posttest = $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(reformatter) | $(obj)/insn_decoder_test $(posttest_64bit) $(posttest_verbose)

@@ -29,16 +29,16 @@ posttest: $(obj)/insn_decoder_test vmlinux $(obj)/insn_sanity
 hostprogs += insn_decoder_test insn_sanity
 
 # -I needed for generated C source and C source which in the kernel tree.
-HOSTCFLAGS_insn_decoder_test.o := -Wall -I$(srctree)/tools/arch/x86/lib/ -I$(srctree)/tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
+HOSTCFLAGS_insn_decoder_test.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
 
-HOSTCFLAGS_insn_sanity.o := -Wall -I$(srctree)/tools/arch/x86/lib/ -I$(srctree)/tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
+HOSTCFLAGS_insn_sanity.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
 
 # Dependencies are also needed.
-$(obj)/insn_decoder_test.o: $(srctree)/tools/arch/x86/lib/insn.c $(srctree)/tools/arch/x86/lib/inat.c $(srctree)/tools/arch/x86/include/asm/inat_types.h $(srctree)/tools/arch/x86/include/asm/inat.h $(srctree)/tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
+$(obj)/insn_decoder_test.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
 
-$(obj)/insn_sanity.o: $(srctree)/tools/arch/x86/lib/insn.c $(srctree)/tools/arch/x86/lib/inat.c $(srctree)/tools/arch/x86/include/asm/inat_types.h $(srctree)/tools/arch/x86/include/asm/inat.h $(srctree)/tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
+$(obj)/insn_sanity.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include
+HOST_EXTRACFLAGS += -I$(srctree)tools/include
 hostprogs	+= relocs
 relocs-objs     := relocs_32.o relocs_64.o relocs_common.o
 PHONY += relocs

index 8bc72a51b257..e0d577fa57bd 100644
@@ -49,4 +49,4 @@ include/generated/user_constants.h: $(obj)/user-offsets.s FORCE
 UNPROFILE_OBJS := stub_segv.o
 CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index 5249bbc30dcd..6ba4f5c1945e 100644
@@ -9,4 +9,4 @@ obj-$(CONFIG_X86_32) += tls.o
 
 USER_OBJS := $(obj-y)
 
-include $(srctree)/arch/um/scripts/Makefile.rules
+include $(srctree)arch/um/scripts/Makefile.rules

index b86d634730b2..d673d6fc9bf3 100644
@@ -63,7 +63,7 @@ quiet_cmd_vdso = VDSO    $@
       cmd_vdso = $(CC) -nostdlib -o $@ \
 		       $(CC_FLAGS_LTO) $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
 		       -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
-		 sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
+		 sh $(srctree)$(src)/checkundef.sh '$(NM)' '$@'
 
 VDSO_LDFLAGS = -fPIC -shared -Wl,--hash-style=sysv -z noexecstack
 GCOV_PROFILE := n

index 4c14a02179eb..460fd238d49b 100644
@@ -55,7 +55,7 @@ CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),__XTENSA_EB__,__XTENSA_EL__)
 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
 
-KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
+KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)%include,$(vardirs) $(plfdirs))
 
 KBUILD_DEFCONFIG := iss_defconfig
 

index c0eef3f6f32d..9be1cfc2a16c 100644
@@ -20,7 +20,7 @@ $(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
 
 $(obj)/zImage.elf: $(obj)/zImage.o $(LIBS)
 	$(Q)$(LD) $(KBUILD_LDFLAGS) \
-		-T $(srctree)/$(obj)/boot.ld \
+		-T $(srctree)$(obj)/boot.ld \
 		--build-id=none \
 		-o $@ $^
 

index 9f69eaee2188..0e08da3219d0 100644
@@ -10,5 +10,5 @@
 obj-$(CONFIG_OF) += $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_SOURCE))
 
 # for CONFIG_OF_ALL_DTBS test
-dtstree	:= $(srctree:%/=%)/$(src)
+dtstree	:= $(srctree)$(src)
 dtb-	:= $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

index 0378a22a08e3..0355333a1d03 100644
@@ -7,7 +7,7 @@ zlib	:= inffast.c inflate.c inftrees.c
 
 lib-y	+= $(zlib:.c=.o) zmem.o
 
-ccflags-y	:= -I $(srctree)/lib/zlib_inflate
+ccflags-y	:= -I $(srctree)lib/zlib_inflate
 ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_inflate.o = -pg
 CFLAGS_REMOVE_zmem.o = -pg

@@ -28,7 +28,7 @@ CFLAGS_REMOVE_inffast.o += -fstack-protector -fstack-protector-strong
 quiet_cmd_copy_zlib = COPY    $@
       cmd_copy_zlib = cat $< > $@
 
-$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
+$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)lib/zlib_inflate/%
 	$(call cmd,copy_zlib)
 
 clean-files	:= $(zlib)

index b265e4bc16c2..5571f3cf66fd 100644
@@ -5,8 +5,8 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 $(shell mkdir -p $(uapi) $(kapi))
 
 syscall := $(src)/syscall.tbl
-syshdr := $(srctree)/scripts/syscallhdr.sh
-systbl := $(srctree)/scripts/syscalltbl.sh
+syshdr := $(srctree)scripts/syscallhdr.sh
+systbl := $(srctree)scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
       cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@

index 799ad7b9e68a..88a20d00e07e 100644
@@ -13,7 +13,7 @@ CFLAGS_blacklist_hashes.o := -I $(obj)
 quiet_cmd_check_and_copy_blacklist_hash_list = GEN     $@
       cmd_check_and_copy_blacklist_hash_list = \
 	$(if $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST), \
-	$(AWK) -f $(srctree)/$(src)/check-blacklist-hashes.awk $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) >&2; \
+	$(AWK) -f $(srctree)$(src)/check-blacklist-hashes.awk $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) >&2; \
 	{ cat $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST); echo $(comma) NULL; } > $@, \
 	echo NULL > $@)
 

@@ -55,7 +55,7 @@ $(obj)/signing_key.pem: $(obj)/x509.genkey FORCE
 targets += signing_key.pem
 
 quiet_cmd_copy_x509_config = COPY    $@
-      cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@
+      cmd_copy_x509_config = cat $(srctree)$(src)/default_x509.genkey > $@
 
 # You can provide your own config file. If not present, copy the default one.
 $(obj)/x509.genkey:

index 37fd6ce3bd7f..bd3dff481341 100644
@@ -6,9 +6,9 @@
 # Rewritten to use lists instead of if-statements.
 #
 
-# Some driver Makefiles miss $(srctree)/ for include directive.
+# Some driver Makefiles miss $(srctree) for include directive.
 ifdef building_out_of_srctree
-MAKEFLAGS += --include-dir=$(srctree)
+MAKEFLAGS += --include-dir=$(srctree:%/=%)
 endif
 
 obj-y				+= cache/

index 6f6a83565c0d..30f3d61d4a0a 100644
@@ -40,8 +40,8 @@ hostprogs += makemapdata
 makemapdata-objs := makemapdata.o
 
 quiet_cmd_mkmap = MKMAP   $@
-      cmd_mkmap = TOPDIR=$(srctree) \
-		  SPKDIR=$(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD),$(srctree)/drivers/accessibility/speakup) \
+      cmd_mkmap = TOPDIR=$(srctree:%/=%) \
+		  SPKDIR=$(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD),$(srctree)drivers/accessibility/speakup) \
 		  $(obj)/makemapdata > $@
 
 $(obj)/mapdata.h: $(obj)/makemapdata

index 6c067dedc01e..3bd053f93931 100644
@@ -2,9 +2,9 @@
 obj-y  += main.o
 
 # Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
-# leading /, it's relative to $(srctree).
+# leading /, it's relative to $(srctree:%/=%).
 fwdir := $(CONFIG_EXTRA_FIRMWARE_DIR)
-fwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
+fwdir := $(addprefix $(srctree),$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
 
 firmware  := $(addsuffix .gen.o, $(CONFIG_EXTRA_FIRMWARE))
 obj-y += $(firmware)

index 208e5f865497..59ac4a23ca67 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-ccflags-y := -I$(srctree)/drivers/infiniband/ulp/rtrs
+ccflags-y := -I$(srctree)drivers/infiniband/ulp/rtrs
 
 rnbd-client-y := rnbd-clt.o \
 		  rnbd-clt-sysfs.o

index 2e5df484ab01..e649c9f73b96 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4
 
 obj-$(CONFIG_CRYPTO_DEV_CHELSIO) += chcr.o
 chcr-objs :=  chcr_core.o chcr_algo.o

index b64b208d2344..b0ec29855e7a 100644
@@ -3,7 +3,7 @@
 # Makefile for IAA crypto device drivers
 #
 
-ccflags-y += -I $(srctree)/drivers/dma/idxd -DDEFAULT_SYMBOL_NAMESPACE=IDXD
+ccflags-y += -I $(srctree)drivers/dma/idxd -DDEFAULT_SYMBOL_NAMESPACE=IDXD
 
 obj-$(CONFIG_CRYPTO_DEV_IAA_CRYPTO) := iaa_crypto.o
 

index a90fbe00b3c8..dc1a381b1b19 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_420XX) += qat_420xx.o
 qat_420xx-objs := adf_drv.o adf_420xx_hw_data.o

index ff9c8b5897ea..161dc1f1c4e3 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_4XXX) += qat_4xxx.o
 qat_4xxx-objs := adf_drv.o adf_4xxx_hw_data.o

index 92ef416ccc78..354826f62d94 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx.o
 qat_c3xxx-objs := adf_drv.o adf_c3xxx_hw_data.o

index b6d76825a92c..e9c2563a1a55 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf.o
 qat_c3xxxvf-objs := adf_drv.o adf_c3xxxvf_hw_data.o

index d581f7c87d6c..3922cc35bc9d 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x.o
 qat_c62x-objs := adf_drv.o adf_c62x_hw_data.o

index 446c3d638605..3aa3a3400be7 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_C62XVF) += qat_c62xvf.o
 qat_c62xvf-objs := adf_drv.o adf_c62xvf_hw_data.o

index 38d6f8e1624a..982533590512 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc.o
 qat_dh895xcc-objs := adf_drv.o adf_dh895xcc_hw_data.o

index 0153c85ce743..302700510fde 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../qat_common
+ccflags-y := -I $(srctree)$(src)/../qat_common
 obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCCVF) += qat_dh895xccvf.o
 qat_dh895xccvf-objs := adf_drv.o adf_dh895xccvf_hw_data.o

index f0f2942c1d27..b8c226e31f4e 100644
@@ -7,4 +7,4 @@ rvu_cptpf-objs := otx2_cptpf_main.o otx2_cptpf_mbox.o \
 rvu_cptvf-objs := otx2_cptvf_main.o otx2_cptvf_mbox.o \
 		  otx2_cptvf_reqmgr.o otx2_cptvf_algs.o
 
-ccflags-y += -I$(srctree)/drivers/net/ethernet/marvell/octeontx2/af
+ccflags-y += -I$(srctree)drivers/net/ethernet/marvell/octeontx2/af

index 9259bcc6773c..9d78d492f17c 100644
@@ -2,7 +2,7 @@
 obj-$(CONFIG_CXL_BUS) += cxl_core.o
 obj-$(CONFIG_CXL_SUSPEND) += suspend.o
 
-ccflags-y += -I$(srctree)/drivers/cxl
+ccflags-y += -I$(srctree)drivers/cxl
 CFLAGS_trace.o = -DTRACE_INCLUDE_PATH=. -I$(src)
 
 cxl_core-y := port.o

index 73f4810f6db3..a4f6abb08da9 100644
@@ -31,11 +31,11 @@ cflags-$(CONFIG_ARM)		+= -DEFI_HAVE_STRLEN -DEFI_HAVE_STRNLEN \
 cflags-$(CONFIG_RISCV)		+= -fpic -DNO_ALTERNATIVE -mno-relax
 cflags-$(CONFIG_LOONGARCH)	+= -fpie
 
-cflags-$(CONFIG_EFI_PARAMS_FROM_FDT)	+= -I$(srctree)/scripts/dtc/libfdt
+cflags-$(CONFIG_EFI_PARAMS_FROM_FDT)	+= -I$(srctree)scripts/dtc/libfdt
 
 KBUILD_CFLAGS			:= $(subst $(CC_FLAGS_FTRACE),,$(cflags-y)) \
 				   -Os -DDISABLE_BRANCH_PROFILING \
-				   -include $(srctree)/include/linux/hidden.h \
+				   -include $(srctree)include/linux/hidden.h \
 				   -D__NO_FORTIFY \
 				   -ffreestanding \
 				   -fno-stack-protector \

@@ -79,7 +79,7 @@ libfdt-deps			:= fdt_rw.c fdt_ro.c fdt_wip.c fdt.c \
 lib-$(CONFIG_EFI_PARAMS_FROM_FDT) += fdt.o \
 				     $(patsubst %.c,lib-%.o,$(libfdt-deps))
 
-$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
+$(obj)/lib-%.o: $(srctree)lib/%.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
 lib-$(CONFIG_EFI_GENERIC_STUB)	+= efi-stub.o string.o intrinsics.o systable.o \

index 65ffd0b760b2..a8b73dfb17fb 100644
@@ -47,12 +47,12 @@ AFLAGS_zboot-header.o += -DMACHINE_TYPE=IMAGE_FILE_MACHINE_$(EFI_ZBOOT_MACH_TYPE
 			 -DCOMP_TYPE="\"$(comp-type-y)\"" \
 			 $(aflags-zboot-header-y)
 
-$(obj)/zboot-header.o: $(srctree)/drivers/firmware/efi/libstub/zboot-header.S FORCE
+$(obj)/zboot-header.o: $(srctree)drivers/firmware/efi/libstub/zboot-header.S FORCE
 	$(call if_changed_rule,as_o_S)
 
 ZBOOT_DEPS := $(obj)/zboot-header.o $(objtree)/drivers/firmware/efi/libstub/lib.a
 
-LDFLAGS_vmlinuz.efi.elf := -T $(srctree)/drivers/firmware/efi/libstub/zboot.lds
+LDFLAGS_vmlinuz.efi.elf := -T $(srctree)drivers/firmware/efi/libstub/zboot.lds
 $(obj)/vmlinuz.efi.elf: $(obj)/vmlinuz.o $(ZBOOT_DEPS) FORCE
 	$(call if_changed,ld)
 

index 260e32ef7bae..b4934560a286 100644
@@ -23,7 +23,7 @@
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
-FULL_AMD_PATH=$(srctree)/$(src)/..
+FULL_AMD_PATH=$(srctree)$(src)/..
 DISPLAY_FOLDER_NAME=display
 FULL_AMD_DISPLAY_PATH = $(FULL_AMD_PATH)/$(DISPLAY_FOLDER_NAME)
 

index 1931a7fa1a14..489be5d2af9d 100644
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 
 ccflags-y := \
-	-I $(srctree)/$(src)/../include \
-	-I $(srctree)/$(src)
+	-I $(srctree)$(src)/../include \
+	-I $(srctree)$(src)
 
 komeda-y := \
 	komeda_drv.o \

index c13f14edb508..86f789782c98 100644
@@ -41,7 +41,7 @@ CFLAGS_display/intel_fbdev.o = $(call cc-disable-warning, override-init)
 # drivers. Define I915 when building i915.
 subdir-ccflags-y += -DI915
 
-subdir-ccflags-y += -I$(srctree)/$(src)
+subdir-ccflags-y += -I$(srctree)$(src)
 
 # Please keep these build lists sorted!
 

@@ -419,7 +419,7 @@ obj-$(CONFIG_DRM_I915_GVT_KVMGT) += kvmgt.o
 #
 # Enable locally for CONFIG_DRM_I915_WERROR=y. See also scripts/Makefile.build
 ifdef CONFIG_DRM_I915_WERROR
-    cmd_checkdoc = $(srctree)/scripts/kernel-doc -none -Werror $<
+    cmd_checkdoc = $(srctree)scripts/kernel-doc -none -Werror $<
 endif
 
 # header test

@@ -430,11 +430,11 @@ no-header-test := \
 
 always-$(CONFIG_DRM_I915_WERROR) += \
 	$(patsubst %.h,%.hdrtest, $(filter-out $(no-header-test), \
-		$(shell cd $(srctree)/$(src) && find * -name '*.h')))
+		$(shell cd $(srctree)$(src) && find * -name '*.h')))
 
 quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
       cmd_hdrtest = $(CC) $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; \
-		$(srctree)/scripts/kernel-doc -none -Werror $<; touch $@
+		$(srctree)scripts/kernel-doc -none -Werror $<; touch $@
 
 $(obj)/%.hdrtest: $(src)/%.h FORCE
 	$(call if_changed_dep,hdrtest)

index ec6db8e9b403..126e97a78099 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only OR MIT
 # Copyright (c) 2023 Imagination Technologies Ltd.
 
-subdir-ccflags-y := -I$(srctree)/$(src)
+subdir-ccflags-y := -I$(srctree)$(src)
 
 powervr-y := \
 	pvr_ccb.o \

index b1173128b5b9..e63ed061ed7b 100644
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I $(srctree)/$(src)
-ccflags-y += -I $(srctree)/$(src)/disp/dpu1
-ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)/$(src)/dsi
-ccflags-$(CONFIG_DRM_MSM_DP) += -I $(srctree)/$(src)/dp
+ccflags-y := -I $(srctree)$(src)
+ccflags-y += -I $(srctree)$(src)/disp/dpu1
+ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)$(src)/dsi
+ccflags-$(CONFIG_DRM_MSM_DP) += -I $(srctree)$(src)/dp
 
 msm-y := \
 	adreno/adreno_device.o \

index efcf0ab7a1a6..cfdb0667204d 100644
@@ -32,7 +32,7 @@ endif
 # Enable -Werror in CI and development
 subdir-ccflags-$(CONFIG_DRM_XE_WERROR) += -Werror
 
-subdir-ccflags-y += -I$(obj) -I$(srctree)/$(src)
+subdir-ccflags-y += -I$(obj) -I$(srctree)$(src)
 
 # generated sources
 hostprogs := xe_gen_wa_oob

@@ -42,7 +42,7 @@ generated_oob := $(obj)/generated/xe_wa_oob.c $(obj)/generated/xe_wa_oob.h
 quiet_cmd_wa_oob = GEN     $(notdir $(generated_oob))
       cmd_wa_oob = mkdir -p $(@D); $^ $(generated_oob)
 
-$(generated_oob) &: $(obj)/xe_gen_wa_oob $(srctree)/$(src)/xe_wa_oob.rules
+$(generated_oob) &: $(obj)/xe_gen_wa_oob $(srctree)$(src)/xe_wa_oob.rules
 	$(call cmd,wa_oob)
 
 uses_generated_oob := \

@@ -154,10 +154,10 @@ xe-$(CONFIG_PCI_IOV) += \
 
 # i915 Display compat #defines and #includes
 subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \
-	-I$(srctree)/$(src)/display/ext \
-	-I$(srctree)/$(src)/compat-i915-headers \
-	-I$(srctree)/drivers/gpu/drm/xe/display/ \
-	-I$(srctree)/drivers/gpu/drm/i915/display/ \
+	-I$(srctree)$(src)/display/ext \
+	-I$(srctree)$(src)/compat-i915-headers \
+	-I$(srctree)drivers/gpu/drm/xe/display/ \
+	-I$(srctree)drivers/gpu/drm/i915/display/ \
 	-Ddrm_i915_gem_object=xe_bo \
 	-Ddrm_i915_private=xe_device
 

@@ -165,12 +165,12 @@ CFLAGS_i915-display/intel_fbdev.o = $(call cc-disable-warning, override-init)
 CFLAGS_i915-display/intel_display_device.o = $(call cc-disable-warning, override-init)
 
 # Rule to build SOC code shared with i915
-$(obj)/i915-soc/%.o: $(srctree)/drivers/gpu/drm/i915/soc/%.c FORCE
+$(obj)/i915-soc/%.o: $(srctree)drivers/gpu/drm/i915/soc/%.c FORCE
 	$(call cmd,force_checksrc)
 	$(call if_changed_rule,cc_o_c)
 
 # Rule to build display code shared with i915
-$(obj)/i915-display/%.o: $(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
+$(obj)/i915-display/%.o: $(srctree)drivers/gpu/drm/i915/display/%.c FORCE
 	$(call cmd,force_checksrc)
 	$(call if_changed_rule,cc_o_c)
 

@@ -295,7 +295,7 @@ ifneq ($(CONFIG_DRM_XE_DISPLAY),y)
 endif
 
 always-$(CONFIG_DRM_XE_WERROR) += \
-	$(patsubst %.h,%.hdrtest, $(shell cd $(srctree)/$(src) && find * -name '*.h' $(hdrtest_find_args)))
+	$(patsubst %.h,%.hdrtest, $(shell cd $(srctree)$(src) && find * -name '*.h' $(hdrtest_find_args)))
 
 quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
       cmd_hdrtest = $(CC) -DHDRTEST $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; touch $@

index 0222170ab7ad..b0d47e74a298 100644
@@ -13,4 +13,4 @@ amd_sfh-objs += sfh1_1/amd_sfh_init.o
 amd_sfh-objs += sfh1_1/amd_sfh_interface.o
 amd_sfh-objs += sfh1_1/amd_sfh_desc.o
 
-ccflags-y += -I $(srctree)/$(src)/
+ccflags-y += -I $(srctree)$(src)/

index cf55120cf7d6..35197c76c03b 100644
@@ -3,7 +3,7 @@
 # Makefile for HID-BPF
 #
 
-LIBBPF_INCLUDE = $(srctree)/tools/lib
+LIBBPF_INCLUDE = $(srctree)tools/lib
 
 obj-$(CONFIG_HID_BPF) += hid_bpf.o
 CFLAGS_hid_bpf_dispatch.o += -I$(LIBBPF_INCLUDE)

index f0a82b1c7cb9..447607d0e975 100644
@@ -23,4 +23,4 @@ intel-ishtp-hid-objs += ishtp-hid-client.o
 obj-$(CONFIG_INTEL_ISH_FIRMWARE_DOWNLOADER) += intel-ishtp-loader.o
 intel-ishtp-loader-objs += ishtp-fw-loader.o
 
-ccflags-y += -I $(srctree)/$(src)/ishtp
+ccflags-y += -I $(srctree)$(src)/ishtp

index 5fbeef299f61..ebcf7623bac3 100644
@@ -20,4 +20,4 @@ obj-$(CONFIG_HTU21) += htu21.o
 obj-$(CONFIG_SI7005) += si7005.o
 obj-$(CONFIG_SI7020) += si7020.o
 
-ccflags-y += -I$(srctree)/drivers/iio/common/hid-sensors
+ccflags-y += -I$(srctree)drivers/iio/common/hid-sensors

index ee9bb1be61ea..4036e467c3d5 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-ccflags-y := -I $(srctree)/drivers/net/ethernet/broadcom/bnxt
+ccflags-y := -I $(srctree)drivers/net/ethernet/broadcom/bnxt
 obj-$(CONFIG_INFINIBAND_BNXT_RE) += bnxt_re.o
 bnxt_re-y := main.o ib_verbs.o \
 	     qplib_res.o qplib_rcfw.o	\

index 291d259d2319..656afc57136e 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4
-ccflags-y += -I $(srctree)/drivers/net/ethernet/chelsio/libcxgb
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4
+ccflags-y += -I $(srctree)drivers/net/ethernet/chelsio/libcxgb
 
 obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o
 

index be1e1cdbcfa8..a2d71d080201 100644
@@ -3,7 +3,7 @@
 # Makefile for the Hisilicon RoCE drivers.
 #
 
-ccflags-y :=  -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
+ccflags-y :=  -I $(srctree)drivers/net/ethernet/hisilicon/hns3
 
 hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
 	hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \

index 14fba95021d8..6492aff4dbd2 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/emulex/benet
+ccflags-y := -I $(srctree)drivers/net/ethernet/emulex/benet
 
 obj-$(CONFIG_INFINIBAND_OCRDMA)	+= ocrdma.o
 

index f12a4938ffd2..e8b88c22d3f9 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I $(srctree)/drivers/net/ethernet/cisco/enic
+ccflags-y := -I $(srctree)drivers/net/ethernet/cisco/enic
 
 obj-$(CONFIG_INFINIBAND_USNIC)+= usnic_verbs.o
 

index 0e32b77f349b..e233e7b0c082 100644
@@ -4,5 +4,5 @@ b2c2-flexcop-objs += flexcop-sram.o flexcop-eeprom.o flexcop-misc.o
 b2c2-flexcop-objs += flexcop-hw-filter.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP) += b2c2-flexcop.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
-ccflags-y += -I $(srctree)/drivers/media/tuners/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/tuners/

index a93146cb428c..00cf914aecdc 100644
@@ -3,11 +3,11 @@
 # Makefile for the kernel DVB frontend device drivers.
 #
 
-ccflags-y += -I$(srctree)/drivers/media/tuners/
+ccflags-y += -I$(srctree)drivers/media/tuners/
 
 # FIXME: RTL2832 SDR driver uses power management directly from USB IF driver
 ifdef CONFIG_DVB_RTL2832_SDR
-	ccflags-y += -I$(srctree)/drivers/media/usb/dvb-usb-v2
+	ccflags-y += -I$(srctree)drivers/media/usb/dvb-usb-v2
 endif
 
 cxd2820r-objs := cxd2820r_core.o cxd2820r_c.o cxd2820r_t.o cxd2820r_t2.o

index e97ab6130a4a..6952747ce05e 100644
@@ -3,4 +3,4 @@ drx39xyj-objs := drxj.o
 
 obj-$(CONFIG_DVB_DRX39XYJ) += drx39xyj.o
 
-ccflags-y += -I$(srctree)/drivers/media/tuners/
+ccflags-y += -I$(srctree)drivers/media/tuners/

index 44601ba8cd53..2c48b0947668 100644
@@ -3,4 +3,4 @@ ccs-objs			+= ccs-core.o ccs-reg-access.o \
 				   ccs-quirk.o ccs-limits.o ccs-data.o
 obj-$(CONFIG_VIDEO_CCS)		+= ccs.o
 
-ccflags-y += -I $(srctree)/drivers/media/i2c
+ccflags-y += -I $(srctree)drivers/media/i2c

index 88cb8bec415a..9508ab059ddb 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SMS_SDIO_DRV) += smssdio.o
 
-ccflags-y += -I $(srctree)/drivers/media/common/siano
+ccflags-y += -I $(srctree)drivers/media/common/siano

index 14ed6e441738..b124db282e50 100644
@@ -6,4 +6,4 @@ endif
 b2c2-flexcop-pci-objs += flexcop-pci.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP_PCI) += b2c2-flexcop-pci.o
 
-ccflags-y += -I $(srctree)/drivers/media/common/b2c2/
+ccflags-y += -I $(srctree)drivers/media/common/b2c2/

index 69bc0d9c478e..ec0a496c427a 100644
@@ -6,5 +6,5 @@ bttv-objs      :=      bttv-driver.o bttv-cards.o bttv-if.o \
 obj-$(CONFIG_VIDEO_BT848) += bttv.o
 obj-$(CONFIG_DVB_BT8XX) += bt878.o dvb-bt8xx.o dst.o dst_ca.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I $(srctree)/drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners

index df00ef8b4521..8ed40976c600 100644
@@ -9,5 +9,5 @@ cx18-alsa-objs := cx18-alsa-main.o cx18-alsa-pcm.o
 obj-$(CONFIG_VIDEO_CX18) += cx18.o
 obj-$(CONFIG_VIDEO_CX18_ALSA) += cx18-alsa.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I $(srctree)/drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners

index a785169ec368..b6f89a5df11f 100644
@@ -8,7 +8,7 @@ cx23885-objs	:= cx23885-cards.o cx23885-video.o cx23885-vbi.o \
 obj-$(CONFIG_VIDEO_CX23885) += cx23885.o
 obj-$(CONFIG_MEDIA_ALTERA_CI) += altera-ci.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
 
 ccflags-y += $(extra-cflags-y) $(extra-cflags-m)

index c2a015869760..e7224bac277c 100644
@@ -10,5 +10,5 @@ obj-$(CONFIG_VIDEO_CX88_ALSA) += cx88-alsa.o
 obj-$(CONFIG_VIDEO_CX88_BLACKBIRD) += cx88-blackbird.o
 obj-$(CONFIG_VIDEO_CX88_DVB) += cx88-dvb.o
 obj-$(CONFIG_VIDEO_CX88_VP3054) += cx88-vp3054-i2c.o
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 5e7eab81173b..a034342c0e63 100644
@@ -9,5 +9,5 @@ ddbridge-objs := ddbridge-main.o ddbridge-core.o ddbridge-ci.o \
 
 obj-$(CONFIG_DVB_DDBRIDGE) += ddbridge.o ddbridge-dummy-fe.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
-ccflags-y += -I $(srctree)/drivers/media/tuners/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/tuners/

index bf804098ede0..c3e3afbf1ed4 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_DVB_DM1105) += dm1105.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 5de95dbe3256..35baa8089069 100644
@@ -10,6 +10,6 @@ obj-$(CONFIG_VIDEO_IVTV) += ivtv.o
 obj-$(CONFIG_VIDEO_IVTV_ALSA) += ivtv-alsa.o
 obj-$(CONFIG_VIDEO_FB_IVTV) += ivtvfb.o
 
-ccflags-y += -I$(srctree)/drivers/media/tuners
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends
 

index 49e82247b618..6553a92d2264 100644
@@ -26,4 +26,4 @@ obj-$(CONFIG_MANTIS_CORE)	+= mantis_core.o
 obj-$(CONFIG_DVB_MANTIS)	+= mantis.o
 obj-$(CONFIG_DVB_HOPPER)	+= hopper.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/

index 215bdafcc279..c3cd87ab7dad 100644
@@ -6,4 +6,4 @@ netup-unidvb-objs += netup_unidvb_spi.o
 
 obj-$(CONFIG_DVB_NETUP_UNIDVB) += netup-unidvb.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 5d16090e0677..38a5575abf15 100644
@@ -7,5 +7,5 @@ ngene-objs := ngene-core.o ngene-i2c.o ngene-cards.o ngene-dvb.o
 
 obj-$(CONFIG_DVB_NGENE) += ngene.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
-ccflags-y += -I $(srctree)/drivers/media/tuners/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/tuners/

index 0553479642a3..f3a2779232ef 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_DVB_PLUTO2) += pluto2.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/

index 45b21a923e3a..e40dab9dce18 100644
@@ -3,5 +3,5 @@ earth-pt1-objs := pt1.o
 
 obj-$(CONFIG_DVB_PT1) += earth-pt1.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I $(srctree)/drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners

index da6b265f4b39..e4223d5bc8c3 100644
@@ -4,5 +4,5 @@ earth-pt3-objs += pt3.o pt3_i2c.o pt3_dma.o
 
 obj-$(CONFIG_DVB_PT3) += earth-pt3.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I $(srctree)/drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners

index 82ac7f31221b..14a531744d51 100644
@@ -12,6 +12,6 @@ obj-$(CONFIG_VIDEO_SAA7134_ALSA) += saa7134-alsa.o
 
 obj-$(CONFIG_VIDEO_SAA7134_DVB) += saa7134-dvb.o
 
-ccflags-y += -I$(srctree)/drivers/media/tuners
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I$(srctree)/drivers/media/usb/go7007
+ccflags-y += -I$(srctree)drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/usb/go7007

index 37c9336f83d5..e5d48c06cca0 100644
@@ -3,4 +3,4 @@ obj-$(CONFIG_VIDEO_MXB) += mxb.o
 obj-$(CONFIG_VIDEO_HEXIUM_ORION) += hexium_orion.o
 obj-$(CONFIG_VIDEO_HEXIUM_GEMINI) += hexium_gemini.o
 
-ccflags-y += -I$(srctree)/drivers/media/i2c
+ccflags-y += -I$(srctree)drivers/media/i2c

index dea076744ec9..bafd3cacb7c8 100644
@@ -5,5 +5,5 @@ saa7164-objs	:= saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \
 
 obj-$(CONFIG_VIDEO_SAA7164) += saa7164.o
 
-ccflags-y += -I$(srctree)/drivers/media/tuners
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends

index 2426b7566553..772e0feea780 100644
@@ -4,5 +4,5 @@ smipcie-objs	:= smipcie-main.o smipcie-ir.o
 
 obj-$(CONFIG_DVB_SMIPCIE) += smipcie.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index b0708f6e40cc..3539a0f318f8 100644
@@ -8,6 +8,6 @@ obj-$(CONFIG_DVB_BUDGET) += budget.o
 obj-$(CONFIG_DVB_BUDGET_AV) += budget-av.o
 obj-$(CONFIG_DVB_BUDGET_CI) += budget-ci.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/common
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/common

index b7c16ebecc80..ce193b467ced 100644
@@ -7,4 +7,4 @@ mtk-mdp-y += mtk_mdp_vpu.o
 
 obj-$(CONFIG_VIDEO_MEDIATEK_MDP) += mtk-mdp.o
 
-ccflags-y += -I$(srctree)/drivers/media/platform/mediatek/vpu
+ccflags-y += -I$(srctree)drivers/media/platform/mediatek/vpu

index aedfc725cc19..af683c2d2a74 100644
@@ -4,5 +4,5 @@ c8sectpfe-y += c8sectpfe-core.o c8sectpfe-common.o c8sectpfe-dvb.o \
 
 obj-$(CONFIG_DVB_C8SECTPFE) += c8sectpfe.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/
-ccflags-y += -I $(srctree)/drivers/media/tuners/
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/
+ccflags-y += -I $(srctree)drivers/media/tuners/

index 6ac7adc64124..22af806d37f6 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/cxd2880
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends/cxd2880
 
 # Please keep it alphabetically sorted by Kconfig name
 # (e. g. LC_ALL=C sort Makefile)

index bd350a285aad..db5914c00075 100644
@@ -3,7 +3,7 @@
 # Makefile for common V4L/DVB tuners
 #
 
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends
 tda18271-objs := tda18271-maps.o tda18271-common.o tda18271-fe.o
 
 # Please keep it alphabetically sorted by Kconfig name

index de671aed5dfc..a0fab715c615 100644
@@ -4,4 +4,4 @@ dvb-as102-objs := as102_drv.o as102_fw.o as10x_cmd.o as10x_cmd_stream.o \
 
 obj-$(CONFIG_DVB_AS102) += dvb-as102.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 4347812d101a..3b24b7c63e57 100644
@@ -11,7 +11,7 @@ endif
 
 obj-$(CONFIG_VIDEO_AU0828) += au0828.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
 
 ccflags-y += $(extra-cflags-y) $(extra-cflags-m)

index 6ae0e43afb35..df29b4cae05f 100644
@@ -2,4 +2,4 @@
 b2c2-flexcop-usb-objs := flexcop-usb.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP_USB) += b2c2-flexcop-usb.o
 
-ccflags-y += -I $(srctree)/drivers/media/common/b2c2/
+ccflags-y += -I $(srctree)drivers/media/common/b2c2/

index 8acbbcba7d0c..4640848d1ece 100644
@@ -9,5 +9,5 @@ obj-$(CONFIG_VIDEO_CX231XX) += cx231xx.o
 obj-$(CONFIG_VIDEO_CX231XX_ALSA) += cx231xx-alsa.o
 obj-$(CONFIG_VIDEO_CX231XX_DVB) += cx231xx-dvb.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 58c0140e19de..72ffb4bcf139 100644
@@ -44,6 +44,6 @@ obj-$(CONFIG_DVB_USB_DVBSKY) += dvb-usb-dvbsky.o
 dvb-usb-zd1301-objs := zd1301.o
 obj-$(CONFIG_DVB_USB_ZD1301) += zd1301.o
 
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I$(srctree)/drivers/media/tuners
-ccflags-y += -I$(srctree)/drivers/media/common
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/common

index c22514948db2..3decc3432fc2 100644
@@ -80,7 +80,7 @@ obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o
 dvb-usb-technisat-usb2-objs := technisat-usb2.o
 obj-$(CONFIG_DVB_USB_TECHNISAT_USB2) += dvb-usb-technisat-usb2.o
 
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends/
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends/
 # due to tuner-xc3028
-ccflags-y += -I$(srctree)/drivers/media/tuners
-ccflags-y += -I$(srctree)/drivers/media/common
+ccflags-y += -I$(srctree)drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/common

index 8c2fc3104561..2e029f806993 100644
@@ -11,5 +11,5 @@ obj-$(CONFIG_VIDEO_EM28XX_ALSA) += em28xx-alsa.o
 obj-$(CONFIG_VIDEO_EM28XX_DVB) += em28xx-dvb.o
 obj-$(CONFIG_VIDEO_EM28XX_RC) += em28xx-rc.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 712a3507f195..d149cbf63078 100644
@@ -9,4 +9,4 @@ go7007-y := go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o \
 
 s2250-y := s2250-board.o
 
-ccflags-$(CONFIG_VIDEO_GO7007_LOADER:m=y) += -I $(srctree)/drivers/media/common
+ccflags-$(CONFIG_VIDEO_GO7007_LOADER:m=y) += -I $(srctree)drivers/media/common

index 7bcfa36f12ac..eb50225b6f46 100644
@@ -7,5 +7,5 @@ gspca_gl860-objs := gl860.o \
 		    gl860-ov9655.o \
 		    gl860-mi2020.o
 
-ccflags-y += -I$(srctree)/drivers/media/usb/gspca
+ccflags-y += -I$(srctree)drivers/media/usb/gspca
 

index 95c9db6dc59c..1daa7ecf68e3 100644
@@ -9,4 +9,4 @@ gspca_m5602-objs := m5602_core.o \
 		    m5602_s5k83a.o \
 		    m5602_s5k4aa.o
 
-ccflags-y += -I$(srctree)/drivers/media/usb/gspca
+ccflags-y += -I$(srctree)drivers/media/usb/gspca

index c4d7206e0c92..2e28b9adc91e 100644
@@ -7,5 +7,5 @@ gspca_stv06xx-objs := stv06xx.o \
 		      stv06xx_pb0100.o \
 		      stv06xx_st6422.o
 
-ccflags-y += -I$(srctree)/drivers/media/usb/gspca
+ccflags-y += -I$(srctree)drivers/media/usb/gspca
 

index 2e71afc4f6de..d5224698a065 100644
@@ -17,5 +17,5 @@ pvrusb2-objs	:= pvrusb2-i2c-core.o \
 
 obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2.o
 
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 758c8686ad46..97a05a34ef98 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SMS_USB_DRV) += smsusb.o
 
-ccflags-y += -I $(srctree)/drivers/media/common/siano
+ccflags-y += -I $(srctree)drivers/media/common/siano
 ccflags-y += $(extra-cflags-y) $(extra-cflags-m)
 

index 09e42bf312f2..e8404df190fb 100644
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_DVB_TTUSB_BUDGET) += dvb-ttusb-budget.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends

index 2177b9d63a8f..6ff0a265f152 100644
@@ -3,8 +3,8 @@
 # Makefile for the V4L2 core
 #
 
-ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I$(srctree)/drivers/media/tuners
+ccflags-y += -I$(srctree)drivers/media/dvb-frontends
+ccflags-y += -I$(srctree)drivers/media/tuners
 
 tuner-objs	:=	tuner-core.o
 

index 8ebcc68e807f..563e523e71cc 100644
@@ -8,7 +8,7 @@
 
 obj-$(CONFIG_AQTION) += atlantic.o
 
-ccflags-y += -I$(srctree)/$(src)
+ccflags-y += -I$(srctree)$(src)
 
 atlantic-objs := aq_main.o \
 	aq_nic.o \

index efdcaaebc455..2e3051aeff13 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4 \
-             -I $(srctree)/drivers/crypto/chelsio
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4 \
+             -I $(srctree)drivers/crypto/chelsio
 
 obj-$(CONFIG_CHELSIO_IPSEC_INLINE) += ch_ipsec.o
 ch_ipsec-objs := chcr_ipsec.o

index 5e7d161c3199..047cc45d1103 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4
 
 obj-$(CONFIG_CHELSIO_TLS_DEVICE) += ch_ktls.o
 ch_ktls-objs := chcr_ktls.o

index bc11495acdb3..3ae41889aabf 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4 \
-	     -I $(srctree)/drivers/crypto/chelsio
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4 \
+	     -I $(srctree)drivers/crypto/chelsio
 
 obj-$(CONFIG_CRYPTO_DEV_CHELSIO_TLS) += chtls.o
 chtls-objs := chtls_main.o chtls_cm.o chtls_io.o chtls_hw.o

index aa79264e72ba..2659b76ec704 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -I $(srctree)/$(src)/../cxgb4
+ccflags-y := -I $(srctree)$(src)/../cxgb4
 
 obj-$(CONFIG_CHELSIO_LIB) += libcxgb.o
 

index 4f23e79232fa..ee55492231b5 100644
@@ -4,7 +4,7 @@
 #
 
 # Include FMan headers
-FMAN        = $(srctree)/drivers/net/ethernet/freescale/fman
+FMAN        = $(srctree)drivers/net/ethernet/freescale/fman
 ccflags-y += -I$(FMAN)
 
 obj-$(CONFIG_FSL_DPAA_ETH) += fsl_dpa.o

index b618091db091..a118b5c679ce 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-subdir-ccflags-y +=  -I$(srctree)/drivers/net/ethernet/freescale/fman
+subdir-ccflags-y +=  -I$(srctree)drivers/net/ethernet/freescale/fman
 
 obj-$(CONFIG_FSL_FMAN) += fsl_dpaa_fman.o
 obj-$(CONFIG_FSL_FMAN) += fsl_dpaa_fman_port.o

index 646d69595b4f..84ea8f214733 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
 
-ccflags-y += -I$(srctree)/$(src)/../funcore -I$(srctree)/$(src)
+ccflags-y += -I$(srctree)$(src)/../funcore -I$(srctree)$(src)
 
 obj-$(CONFIG_FUN_ETH) += funeth.o
 

index e214bfaece1f..8d8dda879bba 100644
@@ -3,10 +3,10 @@
 # Makefile for the HISILICON network device drivers.
 #
 
-ccflags-y += -I$(srctree)/$(src)
-ccflags-y += -I$(srctree)/drivers/net/ethernet/hisilicon/hns3/hns3pf
-ccflags-y += -I$(srctree)/drivers/net/ethernet/hisilicon/hns3/hns3vf
-ccflags-y += -I$(srctree)/drivers/net/ethernet/hisilicon/hns3/hns3_common
+ccflags-y += -I$(srctree)$(src)
+ccflags-y += -I$(srctree)drivers/net/ethernet/hisilicon/hns3/hns3pf
+ccflags-y += -I$(srctree)drivers/net/ethernet/hisilicon/hns3/hns3vf
+ccflags-y += -I$(srctree)drivers/net/ethernet/hisilicon/hns3/hns3_common
 
 obj-$(CONFIG_HNS3) += hnae3.o
 

index 5664f768cb0c..6e26027337c6 100644
@@ -15,4 +15,4 @@ rvu_nicpf-$(CONFIG_DCB) += otx2_dcbnl.o
 rvu_nicvf-$(CONFIG_DCB) += otx2_dcbnl.o
 rvu_nicpf-$(CONFIG_MACSEC) += cn10k_macsec.o
 
-ccflags-y += -I$(srctree)/drivers/net/ethernet/marvell/octeontx2/af
+ccflags-y += -I$(srctree)drivers/net/ethernet/marvell/octeontx2/af

index 3b6ac331691d..d71d6ceff5a0 100644
@@ -19,4 +19,4 @@ lan966x-switch-$(CONFIG_LAN966X_DCB) += lan966x_dcb.o
 lan966x-switch-$(CONFIG_DEBUG_FS) += lan966x_vcap_debugfs.o
 
 # Provide include files
-ccflags-y += -I$(srctree)/drivers/net/ethernet/microchip/vcap
+ccflags-y += -I$(srctree)drivers/net/ethernet/microchip/vcap

index 1cb1cc3f1a85..4c46836f21b4 100644
@@ -16,4 +16,4 @@ sparx5-switch-$(CONFIG_SPARX5_DCB) += sparx5_dcb.o
 sparx5-switch-$(CONFIG_DEBUG_FS) += sparx5_vcap_debugfs.o
 
 # Provide include files
-ccflags-y += -I$(srctree)/drivers/net/ethernet/microchip/vcap
+ccflags-y += -I$(srctree)drivers/net/ethernet/microchip/vcap

index 8119b49d1da9..d5c4427a677d 100644
@@ -56,7 +56,7 @@ $(obj)/wanxlfw.bin: $(obj)/wanxlfw.o FORCE
 	$(call if_changed,m68kld_bin_o)
 
 quiet_cmd_m68kas_o_S = M68KAS  $@
-      cmd_m68kas_o_S = $(M68KCC) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)/include/uapi -c -o $@ $<
+      cmd_m68kas_o_S = $(M68KCC) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)include/uapi -c -o $@ $<
 
 $(obj)/wanxlfw.o: $(src)/wanxlfw.S FORCE
 	$(call if_changed_dep,m68kas_o_S)

index dc6d27a36faa..b113712a140d 100644
@@ -6,8 +6,8 @@
 #
 
 ccflags-y += \
-	-I $(srctree)/$(src) \
-	-I $(srctree)/$(src)/../include
+	-I $(srctree)$(src) \
+	-I $(srctree)$(src)/../include
 
 obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
 brcmfmac-objs += \

index 46098705e236..25277805387e 100644
@@ -3,9 +3,9 @@
 # Copyright (c) 2022 Broadcom Corporation
 
 ccflags-y += \
-	-I $(srctree)/$(src) \
-	-I $(srctree)/$(src)/.. \
-	-I $(srctree)/$(src)/../../include
+	-I $(srctree)$(src) \
+	-I $(srctree)$(src)/.. \
+	-I $(srctree)$(src)/../../include
 
 obj-m += brcmfmac-bca.o
 brcmfmac-bca-objs += \

index 5e1fddaff79e..964e6f36a38a 100644
@@ -3,9 +3,9 @@
 # Copyright (c) 2022 Broadcom Corporation
 
 ccflags-y += \
-	-I $(srctree)/$(src) \
-	-I $(srctree)/$(src)/.. \
-	-I $(srctree)/$(src)/../../include
+	-I $(srctree)$(src) \
+	-I $(srctree)$(src)/.. \
+	-I $(srctree)$(src)/../../include
 
 obj-m += brcmfmac-cyw.o
 brcmfmac-cyw-objs += \

index 7f455a19a2b1..366f6232120a 100644
@@ -3,9 +3,9 @@
 # Copyright (c) 2022 Broadcom Corporation
 
 ccflags-y += \
-	-I $(srctree)/$(src) \
-	-I $(srctree)/$(src)/.. \
-	-I $(srctree)/$(src)/../../include
+	-I $(srctree)$(src) \
+	-I $(srctree)$(src)/.. \
+	-I $(srctree)$(src)/../../include
 
 obj-m += brcmfmac-wcc.o
 brcmfmac-wcc-objs += \

index 090757730ba6..574c2fdf48b7 100644
@@ -16,9 +16,9 @@
 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 ccflags-y := \
-	-I $(srctree)/$(src) \
-	-I $(srctree)/$(src)/phy \
-	-I $(srctree)/$(src)/../include
+	-I $(srctree)$(src) \
+	-I $(srctree)$(src)/phy \
+	-I $(srctree)$(src)/../include
 
 brcmsmac-y := \
 	mac80211_if.o \

index 7a82d615ba2a..bf94658b5159 100644
@@ -4,7 +4,7 @@
 #
 # Copyright (c) 2011 Broadcom Corporation
 #
-ccflags-y := -I $(srctree)/$(src)/../include
+ccflags-y := -I $(srctree)$(src)/../include
 
 obj-$(CONFIG_BRCMUTIL)	+= brcmutil.o
 brcmutil-objs	= utils.o d11.o

index 0486b17d7c41..f705d1515316 100644
@@ -11,4 +11,4 @@ iwldvm-objs		+= rxon.o devices.o
 iwldvm-$(CONFIG_IWLWIFI_LEDS) += led.o
 iwldvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o
 
-ccflags-y += -I $(srctree)/$(src)/../
+ccflags-y += -I $(srctree)$(src)/../

index 8e3ef0347db7..9c13119e0470 100644
@@ -5,4 +5,4 @@ iwlmei-y += net.o
 iwlmei-$(CONFIG_IWLWIFI_DEVICE_TRACING) += trace.o
 CFLAGS_trace.o := -I$(src)
 
-ccflags-y += -I $(srctree)/$(src)/../
+ccflags-y += -I $(srctree)$(src)/../

index 593fe28d89cf..4180f8eb8fa8 100644
@@ -15,4 +15,4 @@ iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o
 iwlmvm-$(CONFIG_PM) += d3.o
 iwlmvm-$(CONFIG_IWLMEI) += vendor-cmd.o
 
-ccflags-y += -I $(srctree)/$(src)/../
+ccflags-y += -I $(srctree)$(src)/../

index 565a9a114134..c5587362157e 100644
@@ -3,4 +3,4 @@ rtl818x_pci-objs	:= dev.o rtl8225.o sa2400.o max2820.o grf5101.o rtl8225se.o
 
 obj-$(CONFIG_RTL8180)	+= rtl818x_pci.o
 
-ccflags-y += -I $(srctree)/$(src)/..
+ccflags-y += -I $(srctree)$(src)/..

index 0bf64dfb233a..67eda47d49ad 100644
@@ -3,4 +3,4 @@ rtl8187-objs		:= dev.o rtl8225.o leds.o rfkill.o
 
 obj-$(CONFIG_RTL8187)	+= rtl8187.o
 
-ccflags-y += -I $(srctree)/$(src)/..
+ccflags-y += -I $(srctree)$(src)/..

index 3e776955bd4b..c8afc829263f 100644
@@ -52,16 +52,16 @@ obj-$(CONFIG_PINCTRL_RZN1)	+= pinctrl-rzn1.o
 obj-$(CONFIG_PINCTRL_RZV2M)	+= pinctrl-rzv2m.o
 
 ifeq ($(CONFIG_COMPILE_TEST),y)
-CFLAGS_pfc-sh7203.o	+= -I$(srctree)/arch/sh/include/cpu-sh2a
-CFLAGS_pfc-sh7264.o	+= -I$(srctree)/arch/sh/include/cpu-sh2a
-CFLAGS_pfc-sh7269.o	+= -I$(srctree)/arch/sh/include/cpu-sh2a
-CFLAGS_pfc-sh7720.o	+= -I$(srctree)/arch/sh/include/cpu-sh3
-CFLAGS_pfc-sh7722.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7723.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7724.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7734.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7757.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7785.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-sh7786.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
-CFLAGS_pfc-shx3.o	+= -I$(srctree)/arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7203.o	+= -I$(srctree)arch/sh/include/cpu-sh2a
+CFLAGS_pfc-sh7264.o	+= -I$(srctree)arch/sh/include/cpu-sh2a
+CFLAGS_pfc-sh7269.o	+= -I$(srctree)arch/sh/include/cpu-sh2a
+CFLAGS_pfc-sh7720.o	+= -I$(srctree)arch/sh/include/cpu-sh3
+CFLAGS_pfc-sh7722.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7723.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7724.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7734.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7757.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7785.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-sh7786.o	+= -I$(srctree)arch/sh/include/cpu-sh4
+CFLAGS_pfc-shx3.o	+= -I$(srctree)arch/sh/include/cpu-sh4
 endif

index e0188ecd85b2..1928c3ff81fe 100644
@@ -55,9 +55,9 @@ aicasm-7xxx-opts-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT) := \
 
 ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y)
 $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm
-	$(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic7xxx_reg.h \
+	$(obj)/aicasm/aicasm -I$(srctree)$(src) -r $(obj)/aic7xxx_reg.h \
 			      $(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \
-			      $(srctree)/$(src)/aic7xxx.seq
+			      $(srctree)$(src)/aic7xxx.seq
 
 $(aic7xxx-gen-y): $(objtree)/$(obj)/aic7xxx_seq.h
 	@true

@@ -73,9 +73,9 @@ aicasm-79xx-opts-$(CONFIG_AIC79XX_REG_PRETTY_PRINT) := \
 
 ifeq ($(CONFIG_AIC79XX_BUILD_FIRMWARE),y)
 $(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm
-	$(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic79xx_reg.h \
+	$(obj)/aicasm/aicasm -I$(srctree)$(src) -r $(obj)/aic79xx_reg.h \
 			      $(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \
-			      $(srctree)/$(src)/aic79xx.seq
+			      $(srctree)$(src)/aic79xx.seq
 
 $(aic79xx-gen-y): $(objtree)/$(obj)/aic79xx_seq.h
 	@true

@@ -83,5 +83,5 @@ else
 $(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped
 endif
 
-$(obj)/aicasm/aicasm: $(srctree)/$(src)/aicasm/*.[chyl]
-	$(MAKE) -C $(srctree)/$(src)/aicasm OUTDIR=$(shell pwd)/$(obj)/aicasm/
+$(obj)/aicasm/aicasm: $(srctree)$(src)/aicasm/*.[chyl]
+	$(MAKE) -C $(srctree)$(src)/aicasm OUTDIR=$(shell pwd)/$(obj)/aicasm/

index d047e22eac0d..3c59133e8d08 100644
@@ -4,7 +4,7 @@
 #
 ##
 
-ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb4
+ccflags-y += -I$(srctree)drivers/net/ethernet/chelsio/cxgb4
 
 obj-$(CONFIG_SCSI_CHELSIO_FCOE) += csiostor.o
 

index abfd38a26fec..c1f3a710025d 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y += -I $(srctree)/drivers/net/ethernet/chelsio/libcxgb
+ccflags-y += -I $(srctree)drivers/net/ethernet/chelsio/libcxgb
 
 obj-$(CONFIG_SCSI_CXGB3_ISCSI)	+= libcxgbi.o cxgb3i/
 obj-$(CONFIG_SCSI_CXGB4_ISCSI)	+= libcxgbi.o cxgb4i/

index 9dc32736cf21..40d63adea355 100644
@@ -18,4 +18,4 @@ libsas-y +=  sas_init.o     \
 libsas-$(CONFIG_SCSI_SAS_ATA) +=	sas_ata.o
 libsas-$(CONFIG_SCSI_SAS_HOST_SMP) +=	sas_host_smp.o
 
-ccflags-y := -DDEBUG -I$(srctree)/drivers/scsi
+ccflags-y := -DDEBUG -I$(srctree)drivers/scsi

index 02f5b44a2685..23a073d8b485 100644
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-ccflags-y		:= -I $(srctree)/drivers/scsi
+ccflags-y		:= -I $(srctree)drivers/scsi
 
 # 16-bit client drivers
 obj-$(CONFIG_PCMCIA_QLOGIC)	+= qlogic_cs.o

index fcd3e51ae9ce..26639cc33263 100644
@@ -9,7 +9,7 @@ obj-$(CONFIG_VIDEO_ATOMISP) += pci/atomisp_gmin_platform.o
 # While on staging, keep debug enabled
 DEFINES += -DDEBUG
 
-atomisp = $(srctree)/drivers/staging/media/atomisp/
+atomisp = $(srctree)drivers/staging/media/atomisp/
 
 # SPDX-License-Identifier: GPL-2.0
 atomisp-objs += \

index 307b267598ea..1454432aba56 100644
@@ -16,7 +16,7 @@ obj-$(CONFIG_DVB_AV7110) += dvb-ttpci.o
 
 obj-$(CONFIG_DVB_SP8870) += sp8870.o
 
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/pci/ttpci
-ccflags-y += -I $(srctree)/drivers/media/common
+ccflags-y += -I $(srctree)drivers/media/dvb-frontends
+ccflags-y += -I $(srctree)drivers/media/tuners
+ccflags-y += -I $(srctree)drivers/media/pci/ttpci
+ccflags-y += -I $(srctree)drivers/media/common

index 590bde02058c..9504765881f9 100644
@@ -62,4 +62,4 @@ r8723bs-y = \
 
 obj-$(CONFIG_RTL8723BS) := r8723bs.o
 
-ccflags-y += -I$(srctree)/$(src)/include -I$(srctree)/$(src)/hal
+ccflags-y += -I$(srctree)$(src)/include -I$(srctree)$(src)/hal

index 0dcaf2006f78..6a740ea203c0 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4
-ccflags-y += -I $(srctree)/drivers/net/ethernet/chelsio/libcxgb
-ccflags-y += -I $(srctree)/drivers/target/iscsi
+ccflags-y := -I $(srctree)drivers/net/ethernet/chelsio/cxgb4
+ccflags-y += -I $(srctree)drivers/net/ethernet/chelsio/libcxgb
+ccflags-y += -I $(srctree)drivers/target/iscsi
 
 obj-$(CONFIG_ISCSI_TARGET_CXGB4)  += cxgbit.o
 

index ea2e81f58eac..849c87f395aa 100644
@@ -50,4 +50,4 @@ obj-$(CONFIG_SERIAL_8250_CS)		+= serial_cs.o
 obj-$(CONFIG_SERIAL_8250_UNIPHIER)	+= 8250_uniphier.o
 obj-$(CONFIG_SERIAL_8250_TEGRA)		+= 8250_tegra.o
 
-CFLAGS_8250_ingenic.o += -I$(srctree)/scripts/dtc/libfdt
+CFLAGS_8250_ingenic.o += -I$(srctree)scripts/dtc/libfdt

index 87917a7d4a9b..c7e8b4c41b61 100644
@@ -3,8 +3,8 @@
 # USB peripheral controller drivers
 #
 
-ccflags-y			:= -I$(srctree)/drivers/usb/gadget/
-ccflags-y			+= -I$(srctree)/drivers/usb/gadget/udc/
+ccflags-y			:= -I$(srctree)drivers/usb/gadget/
+ccflags-y			+= -I$(srctree)drivers/usb/gadget/udc/
 
 # USB Functions
 usb_f_acm-y			:= f_acm.o

index 4d864bf82799..ea61cdea4366 100644
@@ -3,9 +3,9 @@
 # USB gadget drivers
 #
 
-ccflags-y			:= -I$(srctree)/drivers/usb/gadget/
-ccflags-y			+= -I$(srctree)/drivers/usb/gadget/udc/
-ccflags-y			+= -I$(srctree)/drivers/usb/gadget/function/
+ccflags-y			:= -I$(srctree)drivers/usb/gadget/
+ccflags-y			+= -I$(srctree)drivers/usb/gadget/udc/
+ccflags-y			+= -I$(srctree)drivers/usb/gadget/function/
 
 g_zero-y			:= zero.o
 g_audio-y			:= audio.o

index 46635fa4a340..1b3bfdabb0c2 100644
@@ -6,7 +6,7 @@
 # Rewritten to use lists instead of if-statements.
 #
 
-ccflags-y := -I $(srctree)/drivers/scsi
+ccflags-y := -I $(srctree)drivers/scsi
 
 ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=USB_STORAGE
 

index e791394c33e3..a06ab83397cd 100644
@@ -1,4 +1,4 @@
-subdir-ccflags-y += -I$(srctree)/drivers/vdpa/mlx5/core
+subdir-ccflags-y += -I$(srctree)drivers/vdpa/mlx5/core
 
 obj-$(CONFIG_MLX5_VDPA_NET) += mlx5_vdpa.o
 mlx5_vdpa-$(CONFIG_MLX5_VDPA_NET) += net/mlx5_vnet.o core/resources.o core/mr.o net/debug.o

index 16be592e8085..db0a7054acff 100644
@@ -10,4 +10,4 @@ hostfs-builtin-$(CONFIG_HOSTFS) += hostfs_user.o hostfs_user_exp.o
 obj-y := $(hostfs-builtin-y) $(hostfs-builtin-m)
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index b506622e7e23..a2205b97791f 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_FPE_NWFPE)		+= nwfpe/
 # Put arch/arm/fastfpe/ to use this.
-obj-$(CONFIG_FPE_FASTFPE)	+= $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/fastfpe/))
+obj-$(CONFIG_FPE_FASTFPE)	+= $(patsubst $(srctree)$(src)/%,%,$(wildcard $(srctree)$(src)/fastfpe/))
 obj-$(CONFIG_VFP)		+= vfp/
 obj-$(CONFIG_XEN)		+= xen/
 obj-$(CONFIG_VDSO)		+= vdso/

index e2d623621a00..4aa066d63a9e 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
 # platform specific definitions
-include $(srctree)/arch/mips/Kbuild.platforms
+include $(srctree)arch/mips/Kbuild.platforms
 obj-y := $(platform-y)
 
 # make clean traverses $(obj-) without having included .config, so

index a2311c4bce6a..cd8439f4d51c 100644
@@ -33,4 +33,4 @@ platform-$(CONFIG_SNI_RM)		+= sni/
 platform-$(CONFIG_MACH_TX49XX)		+= txx9/
 
 # include the platform specific files
-include $(patsubst %/, $(srctree)/arch/mips/%/Platform, $(platform-y))
+include $(patsubst %/, $(srctree)arch/mips/%/Platform, $(platform-y))

index cf6b3a80c0c8..9038528a80d6 100644
@@ -1,4 +1,4 @@
-NOUVEAU_PATH ?= $(srctree)
+NOUVEAU_PATH ?= $(srctree:%/=%)
 
 # SPDX-License-Identifier: MIT
 ccflags-y += -I $(NOUVEAU_PATH)/$(src)/include

index 8d8a43f5ea80..abeec066f908 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb3
-ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/libcxgb
+ccflags-y += -I$(srctree)drivers/net/ethernet/chelsio/cxgb3
+ccflags-y += -I$(srctree)drivers/net/ethernet/chelsio/libcxgb
 
 obj-$(CONFIG_SCSI_CXGB3_ISCSI) += cxgb3i.o

index fd3e0c964de6..f256cac0fcdc 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb4
-ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/libcxgb
+ccflags-y += -I$(srctree)drivers/net/ethernet/chelsio/cxgb4
+ccflags-y += -I$(srctree)drivers/net/ethernet/chelsio/libcxgb
 
 obj-$(CONFIG_SCSI_CXGB4_ISCSI) += cxgb4i.o

index 61ee6e59c930..4b8401173ef5 100644
@@ -1,13 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
-ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/a.out.h),)
+ifeq ($(wildcard $(srctree)arch/$(SRCARCH)/include/uapi/asm/a.out.h),)
 no-export-headers += linux/a.out.h
 endif
 
-ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm.h),)
+ifeq ($(wildcard $(srctree)arch/$(SRCARCH)/include/uapi/asm/kvm.h),)
 no-export-headers += linux/kvm.h
 endif
 
-ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),)
+ifeq ($(wildcard $(srctree)arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),)
 ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),)
 no-export-headers += linux/kvm_para.h
 endif

index 4b8401173ef5..4d685badb829 100644
@@ -8,7 +8,7 @@ no-export-headers += linux/kvm.h
 endif
 
 ifeq ($(wildcard $(srctree)arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),)
-ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),)
+ifeq ($(wildcard $(objtree)arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),)
 no-export-headers += linux/kvm_para.h
 endif
 endif

index b9fc064d38d2..1014602784bc 100644
@@ -557,15 +557,15 @@ config LD_HEAD_STUB_CATCH
 
 config MPROFILE_KERNEL
 	depends on PPC64_ELF_ABI_V2 && FUNCTION_TRACER
-	def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mlittle-endian) if CPU_LITTLE_ENDIAN
-	def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mbig-endian) if CPU_BIG_ENDIAN
+	def_bool $(success,$(srctree)arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mlittle-endian) if CPU_LITTLE_ENDIAN
+	def_bool $(success,$(srctree)arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mbig-endian) if CPU_BIG_ENDIAN
 
 config ARCH_USING_PATCHABLE_FUNCTION_ENTRY
 	depends on FUNCTION_TRACER && (PPC32 || PPC64_ELF_ABI_V2)
 	depends on $(cc-option,-fpatchable-function-entry=2)
 	def_bool y if PPC32
-	def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mlittle-endian) if PPC64 && CPU_LITTLE_ENDIAN
-	def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mbig-endian) if PPC64 && CPU_BIG_ENDIAN
+	def_bool $(success,$(srctree)arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mlittle-endian) if PPC64 && CPU_LITTLE_ENDIAN
+	def_bool $(success,$(srctree)arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mbig-endian) if PPC64 && CPU_BIG_ENDIAN
 
 config HOTPLUG_CPU
 	bool "Support for enabling/disabling CPUs"

index fe565f3a3a91..d3ec24732a25 100644
@@ -552,7 +552,7 @@ config EXPOLINE_EXTERN
 	def_bool n
 	depends on EXPOLINE
 	depends on CC_IS_GCC && GCC_VERSION >= 110200
-	depends on $(success,$(srctree)/arch/s390/tools/gcc-thunk-extern.sh $(CC))
+	depends on $(success,$(srctree)arch/s390/tools/gcc-thunk-extern.sh $(CC))
 	prompt "Generate expolines as extern functions."
 	help
 	  This option is required for some tooling like kpatch. The kernel is

index 5edec175b9bf..d4da96542044 100644
@@ -410,8 +410,8 @@ config PGTABLE_LEVELS
 
 config CC_HAS_SANE_STACKPROTECTOR
 	bool
-	default $(success,$(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) $(CLANG_FLAGS)) if 64BIT
-	default $(success,$(srctree)/scripts/gcc-x86_32-has-stack-protector.sh $(CC) $(CLANG_FLAGS))
+	default $(success,$(srctree)scripts/gcc-x86_64-has-stack-protector.sh $(CC) $(CLANG_FLAGS)) if 64BIT
+	default $(success,$(srctree)scripts/gcc-x86_32-has-stack-protector.sh $(CC) $(CLANG_FLAGS))
 	help
 	  We have to make sure stack protector is unconditionally disabled if
 	  the compiler produces broken code or if it does not let us control

index 8426d59cc634..210fede7314c 100644
@@ -61,7 +61,7 @@ config LLD_VERSION
 	default 0
 
 config RUST_IS_AVAILABLE
-	def_bool $(success,$(srctree)/scripts/rust_is_available.sh)
+	def_bool $(success,$(srctree)scripts/rust_is_available.sh)
 	help
 	  This shows whether a suitable Rust toolchain is available (found).
 

@@ -73,13 +73,13 @@ config RUST_IS_AVAILABLE
 
 config CC_CAN_LINK
 	bool
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag)) if 64BIT
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag))
+	default $(success,$(srctree)scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag)) if 64BIT
+	default $(success,$(srctree)scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag))
 
 config CC_CAN_LINK_STATIC
 	bool
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag) -static) if 64BIT
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag) -static)
+	default $(success,$(srctree)scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag) -static) if 64BIT
+	default $(success,$(srctree)scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag) -static)
 
 config CC_HAS_ASM_GOTO_OUTPUT
 	def_bool $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)

@@ -99,7 +99,7 @@ config GCC_ASM_GOTO_OUTPUT_WORKAROUND
 	default y if GCC_VERSION >= 130000 && GCC_VERSION < 130300
 
 config TOOLS_SUPPORT_RELR
-	def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)
+	def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)scripts/tools-support-relr.sh)
 
 config CC_HAS_ASM_INLINE
 	def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)

@@ -109,7 +109,7 @@ config CC_HAS_NO_PROFILE_FN_ATTR
 
 config PAHOLE_VERSION
 	int
-	default $(shell,$(srctree)/scripts/pahole-version.sh $(PAHOLE))
+	default $(shell,$(srctree)scripts/pahole-version.sh $(PAHOLE))
 
 config CONSTRUCTORS
 	bool

index 1c09c7fb7839..ef6d00addeed 100644
@@ -502,7 +502,7 @@ CLIPPY_DRIVER	= clippy-driver
 BINDGEN		= bindgen
 CARGO		= cargo
 PAHOLE		= pahole
-RESOLVE_BTFIDS	= $(objtree)/tools/bpf/resolve_btfids/resolve_btfids
+RESOLVE_BTFIDS	= $(objtree)tools/bpf/resolve_btfids/resolve_btfids
 LEX		= flex
 YACC		= bison
 AWK		= awk

@@ -534,9 +534,9 @@ LDFLAGS_vmlinux =
 # Use USERINCLUDE when you must reference the UAPI directories only.
 USERINCLUDE    := \
 		-I$(srctree)arch/$(SRCARCH)/include/uapi \
-		-I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \
+		-I$(objtree)arch/$(SRCARCH)/include/generated/uapi \
 		-I$(srctree)include/uapi \
-		-I$(objtree)/include/generated/uapi \
+		-I$(objtree)include/generated/uapi \
                 -include $(srctree)include/linux/compiler-version.h \
                 -include $(srctree)include/linux/kconfig.h
 

@@ -544,9 +544,9 @@ USERINCLUDE    := \
 # Needed to be compatible with the O= option
 LINUXINCLUDE    := \
 		-I$(srctree)arch/$(SRCARCH)/include \
-		-I$(objtree)/arch/$(SRCARCH)/include/generated \
+		-I$(objtree)arch/$(SRCARCH)/include/generated \
 		$(if $(building_out_of_srctree),-I$(srctree)include) \
-		-I$(objtree)/include \
+		-I$(objtree)include \
 		$(USERINCLUDE)
 
 KBUILD_AFLAGS   := -D__ASSEMBLY__ -fno-PIE

@@ -561,7 +561,7 @@ KBUILD_CFLAGS += -fno-strict-aliasing
 
 KBUILD_CPPFLAGS := -D__KERNEL__
 KBUILD_RUSTFLAGS := $(rust_common_flags) \
-		    --target=$(objtree)/scripts/target.json \
+		    --target=$(objtree)scripts/target.json \
 		    -Cpanic=abort -Cembed-bitcode=n -Clto=n \
 		    -Cforce-unwind-tables=n -Ccodegen-units=1 \
 		    -Csymbol-mangling-version=v0 \

@@ -1273,7 +1273,7 @@ headerdep:
 # Kernel headers
 
 #Default location for installed headers
-export INSTALL_HDR_PATH = $(objtree)/usr
+export INSTALL_HDR_PATH = $(objtree)usr
 
 quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
       cmd_headers_install = \

@@ -1352,11 +1352,11 @@ tools_silent=s
 endif
 
 tools/: FORCE
-	$(Q)mkdir -p $(objtree)/tools
+	$(Q)mkdir -p $(objtree)tools
 	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abs_objtree) subdir=tools -C $(srctree)tools/
 
 tools/%: FORCE
-	$(Q)mkdir -p $(objtree)/tools
+	$(Q)mkdir -p $(objtree)tools
 	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abs_objtree) subdir=tools -C $(srctree)tools/ $*
 
 # ---------------------------------------------------------------------------

@@ -1371,9 +1371,9 @@ kselftest-%: headers FORCE
 
 PHONY += kselftest-merge
 kselftest-merge:
-	$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
+	$(if $(wildcard $(objtree).config),, $(error No .config exists, config your kernel first!))
 	$(Q)find $(srctree)tools/testing/selftests -name config -o -name config.$(UTS_MACHINE) | \
-		xargs $(srctree)scripts/kconfig/merge_config.sh -y -m $(objtree)/.config
+		xargs $(srctree)scripts/kconfig/merge_config.sh -y -m $(objtree).config
 	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 
 # ---------------------------------------------------------------------------

index 37b7ec3f7a7d..ca962dca6750 100644
@@ -14,8 +14,8 @@ targets		:= vmlinux.gz vmlinux \
 		   tools/bootpzh bootloader bootpheader bootpzheader 
 OBJSTRIP	:= $(obj)/tools/objstrip
 
-KBUILD_HOSTCFLAGS := -Wall -I$(objtree)/usr/include
-BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)$(obj)
+KBUILD_HOSTCFLAGS := -Wall -I$(objtree)usr/include
+BOOTCFLAGS	+= -I$(objtree)$(obj) -I$(srctree)$(obj)
 
 # SRM bootable image.  Copy to offset 512 of a partition.
 $(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh

index 8a468d737471..af7ff86e64ef 100644
@@ -149,7 +149,7 @@ if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \
 	false; \
 fi
 
-efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a
+efi-obj-$(CONFIG_EFI_STUB) := $(objtree)drivers/firmware/efi/libstub/lib.a
 
 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
 		$(addprefix $(obj)/, $(OBJS)) \

index 579bf0369e94..2681e6123e46 100644
@@ -62,4 +62,4 @@ quiet_cmd_vdsold_and_vdso_check = LD      $@
       cmd_vdsold_and_vdso_check = $(cmd_ld); $(cmd_vdso_check)
 
 quiet_cmd_vdsomunge = MUNGE   $@
-      cmd_vdsomunge = $(objtree)/$(obj)/vdsomunge $< $@
+      cmd_vdsomunge = $(objtree)$(obj)/vdsomunge $< $@

index 23df63ec4182..1c64f1e9dd36 100644
@@ -145,7 +145,7 @@ KBUILD_CPPFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
 KBUILD_AFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
 
 libs-y		:= arch/arm64/lib/ $(libs-y)
-libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
+libs-$(CONFIG_EFI_STUB) += $(objtree)drivers/firmware/efi/libstub/lib.a
 
 # Default target when executing plain make
 boot		:= arch/arm64/boot

index 467cb7117273..0fc7bec5c8ce 100644
@@ -90,7 +90,7 @@ obj-y					+= head.o
 extra-y					+= vmlinux.lds
 
 ifeq ($(CONFIG_DEBUG_EFI),y)
-AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\""
+AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)vmlinux)\""
 endif
 
 # for cleaning

index 2250253a6429..113372b48a5d 100644
@@ -15,7 +15,7 @@ ccflags-y += -fno-stack-protector	\
 	     $(DISABLE_STACKLEAK_PLUGIN)
 
 hostprogs := gen-hyprel
-HOST_EXTRACFLAGS += -I$(objtree)/include
+HOST_EXTRACFLAGS += -I$(objtree)include
 
 lib-objs := clear_page.o copy_page.o memcpy.o memset.o
 lib-objs := $(addprefix ../../../lib/, $(lib-objs))

index 983aa2b1629a..d5d0bd0b0b08 100644
@@ -130,7 +130,7 @@ CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev
 endif
 
 libs-y += arch/loongarch/lib/
-libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
+libs-$(CONFIG_EFI_STUB) += $(objtree)drivers/firmware/efi/libstub/lib.a
 
 drivers-y		+= arch/loongarch/crypto/
 

index 2eaf5ad2beb6..90960f2c7e76 100644
@@ -286,7 +286,7 @@ ifdef CONFIG_PHYSICAL_START
 load-y					= $(CONFIG_PHYSICAL_START)
 endif
 
-entry-y				= $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
+entry-y				= $(shell $(objtree)arch/mips/tools/elf-entry vmlinux)
 cflags-y			+= -I$(srctree)arch/mips/include/asm/mach-generic
 drivers-$(CONFIG_PCI)		+= arch/mips/pci/
 

@@ -530,13 +530,13 @@ endef
 .PHONY: $(generic_defconfigs)
 $(generic_defconfigs):
 	$(Q)$(CONFIG_SHELL) $(srctree)scripts/kconfig/merge_config.sh \
-		-m -O $(objtree) $(srctree)arch/$(ARCH)/configs/generic_defconfig $^ | \
+		-m -O $(objtree:%/=%) $(srctree)arch/$(ARCH)/configs/generic_defconfig $^ | \
 		grep -Ev '^#'
-	$(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
+	$(Q)cp $(KCONFIG_CONFIG) $(objtree).config.$@
 	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig \
-		KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
+		KCONFIG_CONFIG=$(objtree).config.$@ >/dev/null
 	$(Q)$(CONFIG_SHELL) $(srctree)arch/$(ARCH)/tools/generic-board-config.sh \
-		$(srctree:%/=%) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
+		$(srctree:%/=%) $(objtree:%/=%) $(objtree).config.$@ $(KCONFIG_CONFIG) \
 		"$(origin BOARDS)" $(BOARDS)
 	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 

index a11867bc02fa..2909bfc1a9fe 100644
@@ -159,10 +159,10 @@ targets += vmlinux.lzo.itb
 
 quiet_cmd_itb-image = ITB     $@
       cmd_itb-image = \
-		env PATH="$(objtree)/scripts/dtc:$(PATH)" \
+		env PATH="$(objtree)scripts/dtc:$(PATH)" \
 		$(BASH) $(MKIMAGE) \
 		-D "-I dts -O dtb -p 500 \
-			--include $(objtree)/arch/mips \
+			--include $(objtree)arch/mips \
 			--warning no-unit_address_vs_reg" \
 		-f $(2) $@
 

index 741f195bc9e8..aee5cdd90e1e 100644
@@ -111,13 +111,13 @@ quiet_cmd_zld = LD      $@
 quiet_cmd_strip = STRIP   $@
       cmd_strip = $(STRIP) -s $@
 
-$(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
+$(objtree)vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
 	$(call cmd,zld)
 	$(call cmd,strip)
 
-objboot := $(objtree)/arch/mips/boot
+objboot := $(objtree)arch/mips/boot
 
-$(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE
+$(objboot)/vmlinuz: $(objtree)vmlinuz FORCE
 
 #
 # Some DECstations need all possible sections of an ECOFF executable

@@ -130,7 +130,7 @@ endif
 hostprogs += ../elf2ecoff
 
 ifdef CONFIG_32BIT
-	VMLINUZ = $(objtree)/vmlinuz
+	VMLINUZ = $(objtree)vmlinuz
 else
 	VMLINUZ = $(objboot)/vmlinuz.32
 endif

@@ -140,7 +140,7 @@ targets += ../vmlinuz.32
 quiet_cmd_32 = OBJCOPY $@
       cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
 
-$(objboot)/vmlinuz.32: $(objtree)/vmlinuz
+$(objboot)/vmlinuz.32: $(objtree)vmlinuz
 	$(call cmd,32)
 
 targets += ../vmlinuz.ecoff

@@ -155,14 +155,14 @@ targets += ../vmlinuz.bin
 
 OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
 
-$(objboot)/vmlinuz.bin: $(objtree)/vmlinuz
+$(objboot)/vmlinuz.bin: $(objtree)vmlinuz
 	$(call cmd,objcopy)
 
 targets += ../vmlinuz.srec
 
 OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
 
-$(objboot)/vmlinuz.srec: $(objtree)/vmlinuz
+$(objboot)/vmlinuz.srec: $(objtree)vmlinuz
 	$(call cmd,objcopy)
 
 targets += ../uzImage.bin

@@ -208,10 +208,10 @@ targets += ../vmlinuz.itb
 
 quiet_cmd_itb-image = ITB     $@
       cmd_itb-image = \
-		env PATH="$(objtree)/scripts/dtc:$(PATH)" \
+		env PATH="$(objtree)scripts/dtc:$(PATH)" \
 		$(BASH) $(MKIMAGE) \
 		-D "-I dts -O dtb -p 500 \
-			--include $(objtree)/arch/mips \
+			--include $(objtree)arch/mips \
 			--warning no-unit_address_vs_reg" \
 		-f $(2) $@
 

index 2f25adc486ec..4cb0518c2d9d 100644
@@ -128,7 +128,7 @@ PALO := $(shell if (which palo 2>&1); then : ; \
 	fi)
 
 PALOCONF := $(shell if [ -f $(srctree)palo.conf ]; then echo $(srctree)palo.conf; \
-	else echo $(objtree)/palo.conf; \
+	else echo $(objtree)palo.conf; \
 	fi)
 
 palo lifimage: vmlinuz

@@ -138,7 +138,7 @@ palo lifimage: vmlinuz
 		false; \
 	fi
 	@if test ! -f "$(PALOCONF)"; then \
-		cp $(srctree)arch/parisc/defpalo.conf $(objtree)/palo.conf; \
+		cp $(srctree)arch/parisc/defpalo.conf $(objtree)palo.conf; \
 		echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
 		echo 'You should check it and re-run "make palo".'; \
 		echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \

index 657f967240ee..e677fcf441a5 100644
@@ -10,7 +10,7 @@ subdir- := compressed
 $(obj)/image: vmlinux FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/bzImage: $(if $(CONFIG_KERNEL_UNCOMPRESSED),$(objtree)/vmlinux,$(obj)/compressed/vmlinux) FORCE
+$(obj)/bzImage: $(if $(CONFIG_KERNEL_UNCOMPRESSED),$(objtree)vmlinux,$(obj)/compressed/vmlinux) FORCE
 	$(call if_changed,objcopy)
 
 $(obj)/compressed/vmlinux: FORCE

index a294a1b58ee7..5560074b0cbd 100644
@@ -35,15 +35,15 @@ quiet_cmd_sizes = GEN $@
 $(obj)/sizes.h: vmlinux FORCE
 	$(call if_changed,sizes)
 
-AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER
+AFLAGS_head.o += -I$(objtree)$(obj) -DBOOTLOADER
 $(obj)/head.o: $(obj)/sizes.h
 
-CFLAGS_misc.o += -I$(objtree)/$(obj)
+CFLAGS_misc.o += -I$(objtree)$(obj)
 $(obj)/misc.o: $(obj)/sizes.h
 
 AFLAGS_real2.o += -DBOOTLOADER
 
-CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
+CPPFLAGS_vmlinux.lds += -I$(objtree)$(obj) -DBOOTLOADER
 $(obj)/vmlinux.lds: $(obj)/sizes.h
 
 OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S

index bb3f791da736..f8cafb8aabf2 100644
@@ -99,7 +99,7 @@ BOOTCFLAGS	+= -fno-stack-protector
 endif
 
 BOOTCFLAGS	+= -include $(srctree)include/linux/compiler_attributes.h
-BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)$(obj)
+BOOTCFLAGS	+= -I$(objtree)$(obj) -I$(srctree)$(obj)
 
 DTC_FLAGS	?= -p 1024
 

index 1aa3983516d8..05a5e48ce86b 100644
@@ -11,7 +11,7 @@ common-objs-y += powerpc.o emulate_loadstore.o
 obj-$(CONFIG_KVM_EXIT_TIMING) += timing.o
 obj-$(CONFIG_KVM_BOOK3S_HANDLER) += book3s_exports.o
 
-AFLAGS_booke_interrupts.o := -I$(objtree)/$(obj)
+AFLAGS_booke_interrupts.o := -I$(objtree)$(obj)
 
 kvm-e500-objs := \
 	$(common-objs-y) \

index 267fbdd74613..989884c1a915 100644
@@ -132,7 +132,7 @@ KBUILD_IMAGE	:= $(boot)/Image.gz
 endif
 
 libs-y += arch/riscv/lib/
-libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
+libs-$(CONFIG_EFI_STUB) += $(objtree)drivers/firmware/efi/libstub/lib.a
 
 ifeq ($(KBUILD_EXTMOD),)
 ifeq ($(CONFIG_MMU),y)

index 6f8eb24b04d3..2e45df97632e 100644
@@ -70,15 +70,15 @@ KBUILD_AFLAGS += $(ARCH_INCLUDE)
 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
 		$(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
 		-D_FILE_OFFSET_BITS=64 -idirafter $(srctree)include \
-		-idirafter $(objtree)/include -D__KERNEL__ -D__UM_HOST__
+		-idirafter $(objtree)include -D__KERNEL__ -D__UM_HOST__
 
 #This will adjust *FLAGS accordingly to the platform.
 include $(srctree)$(ARCH_DIR)/Makefile-os-Linux
 
 KBUILD_CPPFLAGS += -I$(srctree)$(HOST_DIR)/include \
 		   -I$(srctree)$(HOST_DIR)/include/uapi \
-		   -I$(objtree)/$(HOST_DIR)/include/generated \
-		   -I$(objtree)/$(HOST_DIR)/include/generated/uapi
+		   -I$(objtree)$(HOST_DIR)/include/generated \
+		   -I$(objtree)$(HOST_DIR)/include/generated/uapi
 
 # -Derrno=kernel_errno - This turns all kernel references to errno into
 # kernel_errno to separate them from the libc errno.  This allows -fno-common

index c99b3d0b1014..c893d2a1a47b 100644
@@ -36,7 +36,7 @@ targets := config.c config.tmp capflags.c
 # Be careful with the below Sed code - sed is pitfall-rich!
 # We use sed to lower build requirements, for "embedded" builders for instance.
 
-$(obj)/config.tmp: $(objtree)/.config FORCE
+$(obj)/config.tmp: $(objtree).config FORCE
 	$(call if_changed,quote1)
 
 quiet_cmd_quote1 = QUOTE   $@

index 473c46ffb7f3..14716d6012a6 100644
@@ -284,8 +284,8 @@ ifeq ($(CONFIG_X86_DECODER_SELFTEST),y)
 	$(Q)$(MAKE) $(build)=arch/x86/tools posttest
 endif
 	$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
-	$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
-	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/$@
+	$(Q)mkdir -p $(objtree)arch/$(UTS_MACHINE)/boot
+	$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)arch/$(UTS_MACHINE)/boot/$@
 
 $(BOOT_TARGETS): vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@

@@ -322,8 +322,8 @@ archprepare: $(orc_hash_h)
 endif
 
 archclean:
-	$(Q)rm -rf $(objtree)/arch/i386
-	$(Q)rm -rf $(objtree)/arch/x86_64
+	$(Q)rm -rf $(objtree)arch/i386
+	$(Q)rm -rf $(objtree)arch/x86_64
 
 define archhelp
   echo  '* bzImage		- Compressed kernel image (arch/x86/boot/bzImage)'

index 6be0a94013cf..c1666938b30f 100644
@@ -99,7 +99,7 @@ $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
 	$(call if_changed,zoffset)
 
 
-AFLAGS_header.o += -I$(objtree)/$(obj)
+AFLAGS_header.o += -I$(objtree)$(obj)
 $(obj)/header.o: $(obj)/zoffset.h
 
 LDFLAGS_setup.elf	:= -m elf_i386 -z noexecstack -T

index 1cf9666f3d6e..583212d0961f 100644
@@ -54,9 +54,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wa$(comma)-mrelax-relocations=no)
 KBUILD_CFLAGS += -include $(srctree)include/linux/hidden.h
 
 # sev.c indirectly includes inat-table.h which is generated during
-# compilation and stored in $(objtree). Add the directory to the includes so
+# compilation and stored in $(objtree:%/=%). Add the directory to the includes so
 # that the compiler finds it even with out-of-tree builds (make O=/some/path).
-CFLAGS_sev.o += -I$(objtree)/arch/x86/lib/
+CFLAGS_sev.o += -I$(objtree)arch/x86/lib/
 
 KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
 GCOV_PROFILE := n

@@ -116,7 +116,7 @@ vmlinux-objs-$(CONFIG_UNACCEPTED_MEMORY) += $(obj)/mem.o
 
 vmlinux-objs-$(CONFIG_EFI) += $(obj)/efi.o
 vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_mixed.o
-vmlinux-objs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
+vmlinux-objs-$(CONFIG_EFI_STUB) += $(objtree)drivers/firmware/efi/libstub/lib.a
 
 $(obj)/vmlinux: $(vmlinux-objs-y) FORCE
 	$(call if_changed,ld)

index 61f038b91bda..da6d7f292d29 100644
@@ -51,7 +51,7 @@ targets += realmode.lds
 $(obj)/realmode.lds: $(obj)/pasyms.h
 
 LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T
-CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj)
+CPPFLAGS_realmode.lds += -P -C -I$(objtree)$(obj)
 
 targets += realmode.elf
 $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE

index 224c6f3c48a5..39a89339371a 100644
@@ -17,7 +17,7 @@ reformatter = $(srctree)arch/x86/tools/objdump_reformat.awk
 chkobjdump = $(srctree)arch/x86/tools/chkobjdump.awk
 
 quiet_cmd_posttest = TEST    $@
-      cmd_posttest = $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(reformatter) | $(obj)/insn_decoder_test $(posttest_64bit) $(posttest_verbose)
+      cmd_posttest = $(OBJDUMP) -d -j .text $(objtree)vmlinux | $(AWK) -f $(reformatter) | $(obj)/insn_decoder_test $(posttest_64bit) $(posttest_verbose)
 
 quiet_cmd_sanitytest = TEST    $@
       cmd_sanitytest = $(obj)/insn_sanity $(posttest_64bit) -m 1000000

@@ -29,14 +29,14 @@ posttest: $(obj)/insn_decoder_test vmlinux $(obj)/insn_sanity
 hostprogs += insn_decoder_test insn_sanity
 
 # -I needed for generated C source and C source which in the kernel tree.
-HOSTCFLAGS_insn_decoder_test.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
+HOSTCFLAGS_insn_decoder_test.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)arch/x86/lib/
 
-HOSTCFLAGS_insn_sanity.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)/arch/x86/lib/
+HOSTCFLAGS_insn_sanity.o := -Wall -I$(srctree)tools/arch/x86/lib/ -I$(srctree)tools/arch/x86/include/ -I$(objtree)arch/x86/lib/
 
 # Dependencies are also needed.
-$(obj)/insn_decoder_test.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
+$(obj)/insn_decoder_test.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)arch/x86/lib/inat-tables.c
 
-$(obj)/insn_sanity.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
+$(obj)/insn_sanity.o: $(srctree)tools/arch/x86/lib/insn.c $(srctree)tools/arch/x86/lib/inat.c $(srctree)tools/arch/x86/include/asm/inat_types.h $(srctree)tools/arch/x86/include/asm/inat.h $(srctree)tools/arch/x86/include/asm/insn.h $(objtree)arch/x86/lib/inat-tables.c
 
 HOST_EXTRACFLAGS += -I$(srctree)tools/include
 hostprogs	+= relocs

index a8b73dfb17fb..6565242b0419 100644
@@ -50,7 +50,7 @@ AFLAGS_zboot-header.o += -DMACHINE_TYPE=IMAGE_FILE_MACHINE_$(EFI_ZBOOT_MACH_TYPE
 $(obj)/zboot-header.o: $(srctree)drivers/firmware/efi/libstub/zboot-header.S FORCE
 	$(call if_changed_rule,as_o_S)
 
-ZBOOT_DEPS := $(obj)/zboot-header.o $(objtree)/drivers/firmware/efi/libstub/lib.a
+ZBOOT_DEPS := $(obj)/zboot-header.o $(objtree)drivers/firmware/efi/libstub/lib.a
 
 LDFLAGS_vmlinuz.efi.elf := -T $(srctree)drivers/firmware/efi/libstub/zboot.lds
 $(obj)/vmlinuz.efi.elf: $(obj)/vmlinuz.o $(ZBOOT_DEPS) FORCE

index 1928c3ff81fe..e16db3f12ef9 100644
@@ -59,7 +59,7 @@ $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm
 			      $(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \
 			      $(srctree)$(src)/aic7xxx.seq
 
-$(aic7xxx-gen-y): $(objtree)/$(obj)/aic7xxx_seq.h
+$(aic7xxx-gen-y): $(objtree)$(obj)/aic7xxx_seq.h
 	@true
 else
 $(obj)/aic7xxx_reg_print.c: $(src)/aic7xxx_reg_print.c_shipped

@@ -77,7 +77,7 @@ $(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm
 			      $(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \
 			      $(srctree)$(src)/aic79xx.seq
 
-$(aic79xx-gen-y): $(objtree)/$(obj)/aic79xx_seq.h
+$(aic79xx-gen-y): $(objtree)$(obj)/aic79xx_seq.h
 	@true
 else
 $(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped

index 0c53d1930044..6a9ce19b793e 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -DSRCTREE='"$(srctree:%/=%)"' -DOBJTREE='"$(objtree)"'
+ccflags-y := -DSRCTREE='"$(srctree:%/=%)"' -DOBJTREE='"$(objtree:%/=%)"'
 
 obj-y := base.o fs.o
 obj-$(CONFIG_CC_IS_GCC) += gcc_base.o gcc_4_7.o

163 lines not on this page · raw message

index e3951cfe3d10..9b7a7d48def7 100644
@@ -176,7 +176,7 @@ TPROGS_CFLAGS += $(call try-run,\
 	printf "int main() { return 0; }" |\
 	$(CC) -Werror -fsanitize=bounds -x c - -o "$$TMP",-fsanitize=bounds,)
 
-TPROGS_CFLAGS += -I$(objtree)/usr/include
+TPROGS_CFLAGS += -I$(objtree)usr/include
 TPROGS_CFLAGS += -I$(srctree)tools/testing/selftests/bpf/
 TPROGS_CFLAGS += -I$(LIBBPF_INCLUDE)
 TPROGS_CFLAGS += -I$(srctree)tools/include

index 7621f55e2947..399f46ed77de 100644
@@ -40,10 +40,10 @@ tprog-cobjs	:= $(addprefix $(obj)/,$(tprog-cobjs))
 _tprogc_flags   = $(TPROGS_CFLAGS) \
                  $(TPROGCFLAGS_$(basetarget).o)
 
-# $(objtree)/$(obj) for including generated headers from checkin source files
+# $(objtree)$(obj) for including generated headers from checkin source files
 ifeq ($(KBUILD_EXTMOD),)
 ifdef building_out_of_srctree
-_tprogc_flags   += -I $(objtree)/$(obj)
+_tprogc_flags   += -I $(objtree)$(obj)
 endif
 endif
 

index 28078ce84d65..da7d37138b85 100644
@@ -45,7 +45,7 @@ TPROGS_CFLAGS += -Wall -O2
 TPROGS_CFLAGS += -Wmissing-prototypes
 TPROGS_CFLAGS += -Wstrict-prototypes
 
-TPROGS_CFLAGS += -I$(objtree)/usr/include
+TPROGS_CFLAGS += -I$(objtree)usr/include
 TPROGS_CFLAGS += -I$(LIBBPF_INCLUDE)
 TPROGS_CFLAGS += -I$(srctree)tools/include
 

index 7621f55e2947..399f46ed77de 100644
@@ -40,10 +40,10 @@ tprog-cobjs	:= $(addprefix $(obj)/,$(tprog-cobjs))
 _tprogc_flags   = $(TPROGS_CFLAGS) \
                  $(TPROGCFLAGS_$(basetarget).o)
 
-# $(objtree)/$(obj) for including generated headers from checkin source files
+# $(objtree)$(obj) for including generated headers from checkin source files
 ifeq ($(KBUILD_EXTMOD),)
 ifdef building_out_of_srctree
-_tprogc_flags   += -I $(objtree)/$(obj)
+_tprogc_flags   += -I $(objtree)$(obj)
 endif
 endif
 

index 576cf64be667..458d88fdb29a 100644
@@ -23,9 +23,9 @@ generate_rust_target-rust := y
 rustdoc_test_builder-rust := y
 rustdoc_test_gen-rust := y
 
-HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
+HOSTCFLAGS_sorttable.o = -I$(srctree)tools/include
 HOSTLDLIBS_sorttable = -lpthread
-HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
+HOSTCFLAGS_asn1_compiler.o = -I$(srctree)include
 HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
 HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
 

@@ -33,7 +33,7 @@ ifdef CONFIG_UNWINDER_ORC
 ifeq ($(ARCH),x86_64)
 ARCH := x86
 endif
-HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
+HOSTCFLAGS_sorttable.o += -I$(srctree)tools/arch/x86/include
 HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
 endif
 

index 8d01b37b7677..e11512d92e4e 100644
@@ -11,23 +11,23 @@ all:
 
 src := $(subst /generated,,$(obj))
 
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 -include $(kbuild-file)
 
 # $(generic)/Kbuild lists mandatory-y. Exclude um since it is a special case.
 ifneq ($(SRCARCH),um)
-include $(srctree)/$(generic)/Kbuild
+include $(srctree)$(generic)/Kbuild
 endif
 
 redundant := $(filter $(mandatory-y) $(generated-y), $(generic-y))
-redundant += $(foreach f, $(generic-y), $(if $(wildcard $(srctree)/$(src)/$(f)),$(f)))
+redundant += $(foreach f, $(generic-y), $(if $(wildcard $(srctree)$(src)/$(f)),$(f)))
 redundant := $(sort $(redundant))
 $(if $(redundant),\
 	$(warning redundant generic-y found in $(src)/Kbuild: $(redundant)))
 
 # If arch does not implement mandatory headers, fallback to asm-generic ones.
 mandatory-y := $(filter-out $(generated-y), $(mandatory-y))
-generic-y   += $(foreach f, $(mandatory-y), $(if $(wildcard $(srctree)/$(src)/$(f)),,$(f)))
+generic-y   += $(foreach f, $(mandatory-y), $(if $(wildcard $(srctree)$(src)/$(f)),,$(f)))
 
 generic-y   := $(addprefix $(obj)/, $(generic-y))
 generated-y := $(addprefix $(obj)/, $(generated-y))

index dae447a1ad30..176e1909b055 100644
@@ -36,23 +36,23 @@ subdir-ccflags-y :=
 # Read auto.conf if it exists, otherwise ignore
 -include include/config/auto.conf
 
-include $(srctree)/scripts/Kbuild.include
-include $(srctree)/scripts/Makefile.compiler
+include $(srctree)scripts/Kbuild.include
+include $(srctree)scripts/Makefile.compiler
 include $(kbuild-file)
-include $(srctree)/scripts/Makefile.lib
+include $(srctree)scripts/Makefile.lib
 
 # Do not include hostprogs rules unless needed.
 # $(sort ...) is used here to remove duplicated words and excessive spaces.
 hostprogs := $(sort $(hostprogs))
 ifneq ($(hostprogs),)
-include $(srctree)/scripts/Makefile.host
+include $(srctree)scripts/Makefile.host
 endif
 
 # Do not include userprogs rules unless needed.
 # $(sort ...) is used here to remove duplicated words and excessive spaces.
 userprogs := $(sort $(userprogs))
 ifneq ($(userprogs),)
-include $(srctree)/scripts/Makefile.userprogs
+include $(srctree)scripts/Makefile.userprogs
 endif
 
 ifndef obj

@@ -101,7 +101,7 @@ else ifeq ($(KBUILD_CHECKSRC),2)
 endif
 
 ifneq ($(KBUILD_EXTRA_WARN),)
-  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $(KDOCFLAGS) \
+  cmd_checkdoc = $(srctree)scripts/kernel-doc -none $(KDOCFLAGS) \
         $(if $(findstring 2, $(KBUILD_EXTRA_WARN)), -Wall) \
         $<
 endif

@@ -194,16 +194,16 @@ sub_cmd_record_mcount =					\
 	if [ $(@) != "scripts/mod/empty.o" ]; then	\
 		$(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)";	\
 	fi;
-recordmcount_source := $(srctree)/scripts/recordmcount.c \
-		    $(srctree)/scripts/recordmcount.h
+recordmcount_source := $(srctree)scripts/recordmcount.c \
+		    $(srctree)scripts/recordmcount.h
 else
-sub_cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
+sub_cmd_record_mcount = perl $(srctree)scripts/recordmcount.pl "$(ARCH)" \
 	"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
 	"$(if $(CONFIG_64BIT),64,32)" \
 	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \
 	"$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \
 	"$(if $(part-of-module),1,0)" "$(@)";
-recordmcount_source := $(srctree)/scripts/recordmcount.pl
+recordmcount_source := $(srctree)scripts/recordmcount.pl
 endif # BUILD_C_RECORDMCOUNT
 cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)),	\
 	$(sub_cmd_record_mcount))

@@ -253,7 +253,7 @@ $(obj)/%.mod: FORCE
 
 quiet_cmd_cc_lst_c = MKLST   $@
       cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
-		     $(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
+		     $(CONFIG_SHELL) $(srctree)scripts/makelst $*.o \
 				     System.map $(OBJDUMP) > $@
 
 $(obj)/%.lst: $(src)/%.c FORCE

index f2cb4d7ffd96..9eed7d7fe60f 100644
@@ -8,7 +8,7 @@ src := $(obj)
 PHONY := __clean
 __clean:
 
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 include $(kbuild-file)
 
 # Figure out what we need to build from the various variables

index 226ea3df3b4b..ff6a8345d1bf 100644
@@ -8,10 +8,10 @@
 #
 # Input config fragments without '.config' suffix
 define merge_into_defconfig
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-		-m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$(1) \
-		$(foreach config,$(2),$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
-	+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+	$(Q)$(CONFIG_SHELL) $(srctree)scripts/kconfig/merge_config.sh \
+		-m -O $(objtree) $(srctree)arch/$(SRCARCH)/configs/$(1) \
+		$(foreach config,$(2),$(srctree)arch/$(SRCARCH)/configs/$(config).config)
+	+$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 endef
 
 

@@ -22,8 +22,8 @@ endef
 #
 # Input config fragments without '.config' suffix
 define merge_into_defconfig_override
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-		-Q -m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$(1) \
-		$(foreach config,$(2),$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
-	+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+	$(Q)$(CONFIG_SHELL) $(srctree)scripts/kconfig/merge_config.sh \
+		-Q -m -O $(objtree) $(srctree)arch/$(SRCARCH)/configs/$(1) \
+		$(foreach config,$(2),$(srctree)arch/$(SRCARCH)/configs/$(config).config)
+	+$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 endef

index 4405d5b67578..228b8187cd97 100644
@@ -14,7 +14,7 @@ PHONY := __dtbs_install
 __dtbs_install:
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 include $(kbuild-file)
 
 dtbs    := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))

index 029d85bb0b23..a6423d395c02 100644
@@ -12,9 +12,9 @@
 PHONY := __headers
 __headers:
 
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
-src := $(srctree)/$(obj)
+src := $(srctree)$(obj)
 gen := $(objtree)/$(subst include/,include/generated/,$(obj))
 dst := usr/include
 

@@ -57,12 +57,12 @@ $(if $(new-dirs), $(shell mkdir -p $(new-dirs)))
 
 # Rules
 quiet_cmd_install = HDRINST $@
-      cmd_install = $(CONFIG_SHELL) $(srctree)/scripts/headers_install.sh $< $@
+      cmd_install = $(CONFIG_SHELL) $(srctree)scripts/headers_install.sh $< $@
 
-$(src-headers): $(dst)/%.h: $(src)/%.h $(srctree)/scripts/headers_install.sh FORCE
+$(src-headers): $(dst)/%.h: $(src)/%.h $(srctree)scripts/headers_install.sh FORCE
 	$(call if_changed,install)
 
-$(gen-headers): $(dst)/%.h: $(gen)/%.h $(srctree)/scripts/headers_install.sh FORCE
+$(gen-headers): $(dst)/%.h: $(gen)/%.h $(srctree)scripts/headers_install.sh FORCE
 	$(call if_changed,install)
 
 quiet_cmd_remove = REMOVE  $(unwanted)

index cd5b181060f1..1c77fc1185e5 100644
@@ -200,13 +200,13 @@ _c_flags += $(if $(patsubst n%,, \
 	-D__KCSAN_INSTRUMENT_BARRIERS__)
 endif
 
-# $(srctree)/$(src) for including checkin headers from generated source files
+# $(srctree)$(src) for including checkin headers from generated source files
 # $(objtree)/$(obj) for including generated headers from checkin source files
 ifeq ($(KBUILD_EXTMOD),)
 ifdef building_out_of_srctree
-_c_flags   += -I $(srctree)/$(src) -I $(objtree)/$(obj)
-_a_flags   += -I $(srctree)/$(src) -I $(objtree)/$(obj)
-_cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj)
+_c_flags   += -I $(srctree)$(src) -I $(objtree)/$(obj)
+_a_flags   += -I $(srctree)$(src) -I $(objtree)/$(obj)
+_cpp_flags += -I $(srctree)$(src) -I $(objtree)/$(obj)
 endif
 endif
 

@@ -228,7 +228,7 @@ modkern_aflags = $(if $(part-of-module),				\
 			$(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL))
 
 c_flags        = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
-		 -include $(srctree)/include/linux/compiler_types.h       \
+		 -include $(srctree)include/linux/compiler_types.h       \
 		 $(_c_flags) $(modkern_cflags)                           \
 		 $(basename_flags) $(modname_flags)
 

@@ -242,7 +242,7 @@ cpp_flags      = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
 
 ld_flags       = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
 
-DTC_INCLUDE    := $(srctree)/scripts/dtc/include-prefixes
+DTC_INCLUDE    := $(srctree)scripts/dtc/include-prefixes
 
 dtc_cpp_flags  = -Wp,-MMD,$(depfile).pre.tmp -nostdinc                    \
 		 $(addprefix -I,$(DTC_INCLUDE))                          \

@@ -409,7 +409,7 @@ DT_BINDING_DIR := Documentation/devicetree/bindings
 DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.json
 
 quiet_cmd_dtb =	DTC_CHK $@
-      cmd_dtb =	$(cmd_dtc) ; $(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ || true
+      cmd_dtb =	$(cmd_dtc) ; $(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ || true
 else
 quiet_cmd_dtb = $(quiet_cmd_dtc)
       cmd_dtb = $(cmd_dtc)

@@ -431,7 +431,7 @@ dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 size_append = printf $(shell						\
 dec_size=0;								\
 for F in $(real-prereqs); do					\
-	fsize=$$($(CONFIG_SHELL) $(srctree)/scripts/file-size.sh $$F);	\
+	fsize=$$($(CONFIG_SHELL) $(srctree)scripts/file-size.sh $$F);	\
 	dec_size=$$(expr $$dec_size + $$fsize);				\
 done;									\
 printf "%08x\n" $$dec_size |						\

@@ -477,7 +477,7 @@ quiet_cmd_lz4_with_size = LZ4     $@
 # U-Boot mkimage
 # ---------------------------------------------------------------------------
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
+MKIMAGE := $(srctree)scripts/mkuboot.sh
 
 # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces
 # the number of overrides in arch makefiles

@@ -514,10 +514,10 @@ quiet_cmd_uimage = UIMAGE  $@
 # big dictionary would increase the memory usage too much in the multi-call
 # decompression mode. A BCJ filter isn't used either.
 quiet_cmd_xzkern = XZKERN  $@
-      cmd_xzkern = cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh > $@
+      cmd_xzkern = cat $(real-prereqs) | sh $(srctree)scripts/xz_wrap.sh > $@
 
 quiet_cmd_xzkern_with_size = XZKERN  $@
-      cmd_xzkern_with_size = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \
+      cmd_xzkern_with_size = { cat $(real-prereqs) | sh $(srctree)scripts/xz_wrap.sh; \
                      $(size_append); } > $@
 
 quiet_cmd_xzmisc = XZMISC  $@

index 8568d256d6fb..0d9f44cb8247 100644
@@ -7,10 +7,10 @@ PHONY := __modfinal
 __modfinal:
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 # for c_flags
-include $(srctree)/scripts/Makefile.lib
+include $(srctree)scripts/Makefile.lib
 
 # find all modules listed in modules.order
 modules := $(call read-file, $(MODORDER))

index 0afd75472679..7a955be3e033 100644
@@ -7,7 +7,7 @@ PHONY := __modinst
 __modinst:
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 install-y :=
 

@@ -96,7 +96,7 @@ endif
 # Don't stop modules_install even if we can't sign external modules.
 #
 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),)
-sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY)
+sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree))$(CONFIG_MODULE_SIG_KEY)
 else
 sig-key := $(CONFIG_MODULE_SIG_KEY)
 endif

@@ -128,7 +128,7 @@ depmod: $(install-y)
 	$(call cmd,depmod)
 
 quiet_cmd_depmod = DEPMOD  $(MODLIB)
-      cmd_depmod = $(srctree)/scripts/depmod.sh $(KERNELRELEASE)
+      cmd_depmod = $(srctree)scripts/depmod.sh $(KERNELRELEASE)
 endif
 
 else

index 739402f45509..6bb347348822 100644
@@ -36,7 +36,7 @@ PHONY := __modpost
 __modpost:
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 MODPOST = scripts/mod/modpost
 

@@ -94,7 +94,7 @@ targets += .vmlinux.objs
 
 ifdef CONFIG_TRIM_UNUSED_KSYMS
 ksym-wl := $(CONFIG_UNUSED_KSYMS_WHITELIST)
-ksym-wl := $(if $(filter-out /%, $(ksym-wl)),$(srctree)/)$(ksym-wl)
+ksym-wl := $(if $(filter-out /%, $(ksym-wl)),$(srctree))$(ksym-wl)
 modpost-args += -t $(addprefix -u , $(ksym-wl))
 modpost-deps += $(ksym-wl)
 endif

index a81dfb1f5181..269f4918d72c 100644
@@ -1,20 +1,20 @@
 # SPDX-License-Identifier: GPL-2.0-only
 # Makefile for the different targets used to generate full packages of a kernel
 
-include $(srctree)/scripts/Kbuild.include
-include $(srctree)/scripts/Makefile.lib
+include $(srctree)scripts/Kbuild.include
+include $(srctree)scripts/Makefile.lib
 
 # Git
 # ---------------------------------------------------------------------------
 
-filechk_HEAD = git -C $(srctree) rev-parse --verify HEAD 2>/dev/null
+filechk_HEAD = git -C $(srctree:%/=%) rev-parse --verify HEAD 2>/dev/null
 
 .tmp_HEAD: check-git FORCE
 	$(call filechk,HEAD)
 
 PHONY += check-git
 check-git:
-	@if ! $(srctree)/scripts/check-git; then \
+	@if ! $(srctree)scripts/check-git; then \
 		echo >&2 "error: creating source package requires git repository"; \
 		false; \
 	fi

@@ -26,7 +26,7 @@ git-config-tar.xz   = -c tar.tar.xz.command="$(XZ)"
 git-config-tar.zst  = -c tar.tar.zst.command="$(ZSTD)"
 
 quiet_cmd_archive = ARCHIVE $@
-      cmd_archive = git -C $(srctree) $(git-config-tar$(suffix $@)) archive \
+      cmd_archive = git -C $(srctree:%/=%) $(git-config-tar$(suffix $@)) archive \
                     --output=$$(realpath $@) $(archive-args)
 
 suffix-gzip  := .gz

@@ -48,7 +48,7 @@ $(linux-tarballs): .tmp_HEAD FORCE
 # ---------------------------------------------------------------------------
 
 quiet_cmd_mkspec = GEN     $@
-      cmd_mkspec = $(srctree)/scripts/package/mkspec $@
+      cmd_mkspec = $(srctree)scripts/package/mkspec $@
 
 rpmbuild/SPECS/kernel.spec: FORCE
 	$(call cmd,mkspec)

@@ -58,7 +58,7 @@ rpm-sources: linux.tar.gz
 	$(Q)mkdir -p rpmbuild/SOURCES
 	$(Q)ln -f linux.tar.gz rpmbuild/SOURCES/linux.tar.gz
 	$(Q)cp $(KCONFIG_CONFIG) rpmbuild/SOURCES/config
-	$(Q)$(srctree)/scripts/package/gen-diff-patch rpmbuild/SOURCES/diff.patch
+	$(Q)$(srctree)scripts/package/gen-diff-patch rpmbuild/SOURCES/diff.patch
 
 PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
 

@@ -92,7 +92,7 @@ debian-orig-suffix := \
     $(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress))
 
 quiet_cmd_debianize = GEN     $@
-      cmd_debianize = $(srctree)/scripts/package/mkdebian $(mkdebian-opts)
+      cmd_debianize = $(srctree)scripts/package/mkdebian $(mkdebian-opts)
 
 debian: FORCE
 	$(call cmd,debianize)

@@ -136,7 +136,7 @@ snap-pkg:
 	$(MAKE) clean
 	sed "s@KERNELRELEASE@$(KERNELRELEASE)@; \
 		s@SRCTREE@$(abs_srctree)@" \
-		$(srctree)/scripts/package/snapcraft.template > \
+		$(srctree)scripts/package/snapcraft.template > \
 		$(objtree)/snap/snapcraft.yaml
 	cd $(objtree)/snap && \
 	snapcraft --target-arch=$(UTS_MACHINE)

@@ -145,8 +145,8 @@ snap-pkg:
 # ---------------------------------------------------------------------------
 
 tar-install: FORCE
-	$(Q)$(MAKE) -f $(srctree)/Makefile
-	+$(Q)$(srctree)/scripts/package/buildtar $@
+	$(Q)$(MAKE) -f $(srctree)Makefile
+	+$(Q)$(srctree)scripts/package/buildtar $@
 
 compress-tar.gz  = -I "$(KGZIP)"
 compress-tar.bz2 = -I "$(KBZIP2)"

@@ -182,12 +182,12 @@ tar%-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar.% FORCE
 	$(call cmd,copy)
 
 quiet_cmd_perf_version_file = GEN     $@
-      cmd_perf_version_file = cd $(srctree)/tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@))
+      cmd_perf_version_file = cd $(srctree)tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@))
 
 # PERF-VERSION-FILE and .tmp_HEAD are independent, but this avoids updating the
 # timestamp of PERF-VERSION-FILE.
 # The best is to fix tools/perf/util/PERF-VERSION-GEN.
-.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)/tools/perf/util/PERF-VERSION-GEN | .tmp_perf
+.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)tools/perf/util/PERF-VERSION-GEN | .tmp_perf
 	$(call cmd,perf_version_file)
 
 perf-archive-args = --add-file=$$(realpath $(word 2, $^)) \

index c477d17b0aa5..bd9fbfb6e0ff 100644
@@ -7,7 +7,7 @@ PHONY := __default
 __default:
 	@:
 
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 install-dir := $(MODLIB)/vdso
 

index c9f3e03124d7..42174d0174f8 100644
@@ -4,10 +4,10 @@ PHONY := __default
 __default: vmlinux
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 # for c_flags
-include $(srctree)/scripts/Makefile.lib
+include $(srctree)scripts/Makefile.lib
 
 targets :=
 

@@ -25,7 +25,7 @@ targets += .vmlinux.export.o
 vmlinux: .vmlinux.export.o
 endif
 
-ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
+ARCH_POSTLINK := $(wildcard $(srctree)arch/$(SRCARCH)/Makefile.postlink)
 
 # Final link of vmlinux with optional arch pass after final link
 cmd_link_vmlinux =							\

index 25b3b587d37c..aaff4cb7ca45 100644
@@ -4,20 +4,20 @@ PHONY := __default
 __default: vmlinux.o modules.builtin.modinfo modules.builtin
 
 include include/config/auto.conf
-include $(srctree)/scripts/Kbuild.include
+include $(srctree)scripts/Kbuild.include
 
 # for objtool
-include $(srctree)/scripts/Makefile.lib
+include $(srctree)scripts/Makefile.lib
 
 # Generate a linker script to ensure correct ordering of initcalls for Clang LTO
 # ---------------------------------------------------------------------------
 
 quiet_cmd_gen_initcalls_lds = GEN     $@
       cmd_gen_initcalls_lds = \
-	$(PYTHON3) $(srctree)/scripts/jobserver-exec \
+	$(PYTHON3) $(srctree)scripts/jobserver-exec \
 	$(PERL) $(real-prereqs) > $@
 
-.tmp_initcalls.lds: $(srctree)/scripts/generate_initcall_order.pl \
+.tmp_initcalls.lds: $(srctree)scripts/generate_initcall_order.pl \
 		vmlinux.a $(KBUILD_VMLINUX_LIBS) FORCE
 	$(call if_changed,gen_initcalls_lds)
 

index dd289a6725ac..ea7b56fd3700 100644
@@ -6,7 +6,7 @@ hostprogs-always-y	+= fixdep
 
 # randstruct: the seed is needed before building the gcc-plugin or
 # before running a Clang kernel build.
-gen-randstruct-seed	:= $(srctree)/scripts/gen-randstruct-seed.sh
+gen-randstruct-seed	:= $(srctree)scripts/gen-randstruct-seed.sh
 quiet_cmd_create_randstruct_seed = GENSEED $@
 cmd_create_randstruct_seed = \
 	$(CONFIG_SHELL) $(gen-randstruct-seed) \

index 4d32b9497da9..3386b44b1761 100644
@@ -16,12 +16,12 @@ libfdt		= $(addprefix libfdt/,$(libfdt-objs))
 fdtoverlay-objs	:= $(libfdt) fdtoverlay.o util.o
 
 # Source files need to get at the userspace version of libfdt_env.h to compile
-HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
+HOST_EXTRACFLAGS += -I $(srctree)$(src)/libfdt
 HOST_EXTRACFLAGS += -DNO_YAML
 
 # Generated files need one more search path to include headers in source tree
-HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
-HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
+HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)$(src)
+HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)$(src)
 
 # dependencies on generated files need to be listed explicitly
 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h

index 320afd3cf8e8..2b3a1890f742 100644
@@ -27,7 +27,7 @@ always-y += $(GCC_PLUGIN)
 GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
 
 plugin_cxxflags	= -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \
-		  -include $(srctree)/include/linux/compiler-version.h \
+		  -include $(srctree)include/linux/compiler-version.h \
 		  -DPLUGIN_VERSION=$(call stringify,$(KERNELVERSION)) \
 		  -I $(GCC_PLUGINS_DIR)/include -I $(obj) \
 		  -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \

index 52b5c961a6b1..c71480b746ef 100644
@@ -2,7 +2,7 @@
 
 ifdef building_out_of_srctree
 
-symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
+symlinks := $(patsubst $(srctree)$(src)/%,%,$(wildcard $(srctree)$(src)/*.py))
 
 quiet_cmd_symlink = SYMLINK $@
       cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abs_srctree)/$(src)/%,$@) $@

index d6a422a63b6a..58c0caf5ae53 100644
@@ -23,8 +23,8 @@ $(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE
 endif
 
 # -I needed for generated C source to include headers in source tree
-HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src)
-HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src)
+HOSTCFLAGS_parse.tab.o := -I $(srctree)$(src)
+HOSTCFLAGS_lex.lex.o := -I $(srctree)$(src)
 
 # dependencies on generated files need to be listed explicitly
 $(obj)/lex.lex.o: $(obj)/parse.tab.h

index ea1bf3b3dbde..54ba3a011016 100644
@@ -57,7 +57,7 @@ $(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rul
 
 PHONY += localmodconfig localyesconfig
 localyesconfig localmodconfig: $(obj)/conf
-	$(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
+	$(Q)$(PERL) $(srctree)$(src)/streamline_config.pl --$@ $(srctree:%/=%) $(Kconfig) > .tmp.config
 	$(Q)if [ -f .config ]; then 				\
 		cmp -s .tmp.config .config ||			\
 		(mv -f .config .config.old.1;			\

@@ -90,35 +90,35 @@ savedefconfig: $(obj)/conf
 	$(Q)$< $(silent) --$@=defconfig $(Kconfig)
 
 defconfig: $(obj)/conf
-ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
+ifneq ($(wildcard $(srctree)arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
 	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 else
 	@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
-	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
+	$(Q)$(MAKE) -f $(srctree)Makefile $(KBUILD_DEFCONFIG)
 endif
 
 %_defconfig: $(obj)/conf
 	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 
-configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARCH)/configs/$(1))
+configfiles = $(wildcard $(srctree)kernel/configs/$(1) $(srctree)arch/$(SRCARCH)/configs/$(1))
 all-config-fragments = $(call configfiles,*.config)
 config-fragments = $(call configfiles,$@)
 
 %.config: $(obj)/conf
 	$(if $(config-fragments),, $(error $@ fragment does not exists on this architecture))
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m $(KCONFIG_CONFIG) $(config-fragments)
-	$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+	$(Q)$(CONFIG_SHELL) $(srctree)scripts/kconfig/merge_config.sh -m $(KCONFIG_CONFIG) $(config-fragments)
+	$(Q)$(MAKE) -f $(srctree)Makefile olddefconfig
 
 PHONY += tinyconfig
 tinyconfig:
-	$(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig
-	$(Q)$(MAKE) -f $(srctree)/Makefile tiny.config
+	$(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)Makefile allnoconfig
+	$(Q)$(MAKE) -f $(srctree)Makefile tiny.config
 
 # CHECK: -o cache_dir=<path> working?
 PHONY += testconfig
 testconfig: $(obj)/conf
-	$(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
+	$(Q)$(PYTHON3) -B -m pytest $(srctree)$(src)/tests \
 	-o cache_dir=$(abspath $(obj)/tests/.cache) \
 	$(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
 clean-files += tests/.cache

@@ -165,8 +165,8 @@ common-objs	:= confdata.o expr.o lexer.lex.o menu.o parser.tab.o \
 		   preprocess.o symbol.o util.o
 
 $(obj)/lexer.lex.o: $(obj)/parser.tab.h
-HOSTCFLAGS_lexer.lex.o	:= -I $(srctree)/$(src)
-HOSTCFLAGS_parser.tab.o	:= -I $(srctree)/$(src)
+HOSTCFLAGS_lexer.lex.o	:= -I $(srctree)$(src)
+HOSTCFLAGS_parser.tab.o	:= -I $(srctree)$(src)
 
 # conf: Used for defconfig, oldconfig and related targets
 hostprogs	+= conf

index 1faf7f07e8db..bf9d90d509f0 100644
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 hostprogs-always-y += genheaders
 HOST_EXTRACFLAGS += \
-	-I$(srctree)/include/uapi -I$(srctree)/include \
-	-I$(srctree)/security/selinux/include
+	-I$(srctree)include/uapi -I$(srctree)include \
+	-I$(srctree)security/selinux/include

index d61058ddd15c..f1b64cc46d47 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 hostprogs-always-y += mdp
 HOST_EXTRACFLAGS += \
-	-I$(srctree)/include/uapi -I$(srctree)/include \
-	-I$(srctree)/security/selinux/include -I$(objtree)/include
+	-I$(srctree)include/uapi -I$(srctree)include \
+	-I$(srctree)security/selinux/include -I$(objtree)/include
 
 clean-files	:= policy.* file_contexts

index 7778cc97a4e0..6d2a3c34a3f2 100644
@@ -62,7 +62,7 @@ stringify = $(squote)$(quote)$1$(quote)$(squote)
 
 ###
 # The path to Kbuild or Makefile. Kbuild has precedence over Makefile.
-kbuild-dir = $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
+kbuild-dir = $(if $(filter /%,$(src)),$(src),$(srctree)$(src))
 kbuild-file = $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)
 
 ###

@@ -111,19 +111,19 @@ endef
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
 # Usage:
 # $(Q)$(MAKE) $(build)=dir
-build := -f $(srctree)/scripts/Makefile.build obj
+build := -f $(srctree)scripts/Makefile.build obj
 
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
 # Usage:
 # $(Q)$(MAKE) $(dtbinst)=dir
-dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj
+dtbinst := -f $(srctree)scripts/Makefile.dtbinst obj
 
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
 # Usage:
 # $(Q)$(MAKE) $(clean)=dir
-clean := -f $(srctree)/scripts/Makefile.clean obj
+clean := -f $(srctree)scripts/Makefile.clean obj
 
 # pring log
 #

index 3ee8ecfb8c04..270ae97b05a9 100644
@@ -40,19 +40,19 @@ $(error-if,$(failure,command -v $(CC)),C compiler '$(CC)' not found)
 $(error-if,$(failure,command -v $(LD)),linker '$(LD)' not found)
 
 # Get the C compiler name, version, and error out if it is not supported.
-cc-info := $(shell,$(srctree)/scripts/cc-version.sh $(CC))
+cc-info := $(shell,$(srctree)scripts/cc-version.sh $(CC))
 $(error-if,$(success,test -z "$(cc-info)"),Sorry$(comma) this C compiler is not supported.)
 cc-name := $(shell,set -- $(cc-info) && echo $1)
 cc-version := $(shell,set -- $(cc-info) && echo $2)
 
 # Get the assembler name, version, and error out if it is not supported.
-as-info := $(shell,$(srctree)/scripts/as-version.sh $(CC) $(CLANG_FLAGS))
+as-info := $(shell,$(srctree)scripts/as-version.sh $(CC) $(CLANG_FLAGS))
 $(error-if,$(success,test -z "$(as-info)"),Sorry$(comma) this assembler is not supported.)
 as-name := $(shell,set -- $(as-info) && echo $1)
 as-version := $(shell,set -- $(as-info) && echo $2)
 
 # Get the linker name, version, and error out if it is not supported.
-ld-info := $(shell,$(srctree)/scripts/ld-version.sh $(LD))
+ld-info := $(shell,$(srctree)scripts/ld-version.sh $(LD))
 $(error-if,$(success,test -z "$(ld-info)"),Sorry$(comma) this linker is not supported.)
 ld-name := $(shell,set -- $(ld-info) && echo $1)
 ld-version := $(shell,set -- $(ld-info) && echo $2)