Patch "x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly" has been added to the 4.14-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-entry-64-indent-push_and_clear_regs-and-pop_regs-properly.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
92816f571af81e9a71cc6f3dc8ce1e2fcdf7b6b8Mon Sep 17 00:00:00 2001
From: Dominik Brodowski <[email protected]>
Date: Sun, 11 Feb 2018 11:49:48 +0100
Subject: x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly
From: Dominik Brodowski <[email protected]>
commit 92816f571af81e9a71cc6f3dc8ce1e2fcdf7b6b8 upstream.
... same as the other macros in arch/x86/entry/calling.h
--- arch/x86/entry/calling.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
arch/x86/entry/calling.h +4 -4
@@ -97,7 +97,7 @@ For 32-bit we have the following convent#define SIZEOF_PTREGS 21*8 - .macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax +.macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax/* * Push registers and sanitize registers of values that a * speculation attack might otherwise want to exploit. The
@@ -131,9 +131,9 @@ For 32-bit we have the following convent pushq %r15 /* pt_regs->r15 */ xorq %r15, %r15 /* nospec r15*/UNWIND_HINT_REGS - .endm +.endm - .macro POP_REGS pop_rdi=1 skip_r11rcx=0 +.macro POP_REGS pop_rdi=1 skip_r11rcx=0 popq %r15 popq %r14 popq %r13
@@ -163,7 +163,7 @@ For 32-bit we have the following convent .macro icebp .byte 0xf1 - .endm +.endm/* * This is a sneaky trick to help the unwinder find pt_regs on the stack. The
Patches currently in stable-queue which might be from [email protected] are
queue-4.14/x86-entry-64-interleave-xor-register-clearing-with-push-instructions.patch queue-4.14/x86-entry-64-merge-the-pop_c_regs-and-pop_extra_regs-macros-into-a-single-pop_regs-macro.patch queue-4.14/x86-entry-64-remove-the-unused-icebp-macro.patch queue-4.14/x86-entry-64-use-push_and_clean_regs-in-more-cases.patch queue-4.14/selftests-x86-disable-tests-requiring-32-bit-support-on-pure-64-bit-systems.patch queue-4.14/x86-entry-64-fix-paranoid_entry-frame-pointer-warning.patch queue-4.14/x86-entry-64-merge-save_c_regs-and-save_extra_regs-remove-unused-extensions.patch queue-4.14/selftests-x86-do-not-rely-on-int-0x80-in-single_step_syscall.c.patch queue-4.14/selftests-x86-fix-vdso-selftest-segfault-for-vsyscall-none.patch queue-4.14/x86-entry-64-indent-push_and_clear_regs-and-pop_regs-properly.patch queue-4.14/selftests-x86-clean-up-and-document-sscanf-usage.patch queue-4.14/selftests-x86-do-not-rely-on-int-0x80-in-test_mremap_vdso.c.patch queue-4.14/x86-entry-64-get-rid-of-the-alloc_pt_gpregs_on_stack-and-save_and_clear_regs-macros.patch queue-4.14/x86-entry-64-introduce-the-push_and_clean_regs-macro.patch