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x86/cleanups changes for v4.9

GIT PULL Ingo Molnar 1 participant 1 message Oct 3, 2016

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Ingo Molnar

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Linus,

Please pull the latest x86-cleanups-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cleanups-for-linus

# HEAD: 744c193eb9a223ccb2e60500196cf590b3a6131a x86: Migrate exception table users off module.h and onto extable.h

An header files and a wrapper functions cleanup.

Thanks,

Ingo

------------------>
Masahiro Yamada (1):
x86: Clean up various simple wrapper functions

Paul Gortmaker (1):
x86: Migrate exception table users off module.h and onto extable.h

 arch/x86/kernel/apic/apic_flat_64.c  | 16 +++-------------
 arch/x86/kernel/apic/apic_numachip.c |  5 +----
 arch/x86/kernel/apic/x2apic_uv_x.c   |  7 ++-----
 arch/x86/kernel/kprobes/core.c       |  2 +-
 arch/x86/kernel/kprobes/opt.c        |  2 +-
 arch/x86/mm/extable.c                |  2 +-
 arch/x86/mm/fault.c                  |  2 +-
 arch/x86/mm/pat_rbtree.c             |  4 +---
 arch/x86/platform/uv/bios_uv.c       |  7 ++-----
 arch/x86/platform/uv/tlb_uv.c        |  6 +-----
 10 files changed, 14 insertions(+), 39 deletions(-)
arch/x86/kernel/apic/apic_flat_64.c +3 -13
index 5b2ae106bd4a..70796f51b2ff 100644
@@ -116,27 +116,17 @@ static void flat_send_IPI_all(int vector)
 
 static unsigned int flat_get_apic_id(unsigned long x)
 {
-	unsigned int id;
-
-	id = (((x)>>24) & 0xFFu);
-
-	return id;
+	return (x >> 24) & 0xFF;
 }
 
 static unsigned long set_apic_id(unsigned int id)
 {
-	unsigned long x;
-
-	x = ((id & 0xFFu)<<24);
-	return x;
+	return (id & 0xFF) << 24;
 }
 
 static unsigned int read_xapic_id(void)
 {
-	unsigned int id;
-
-	id = flat_get_apic_id(apic_read(APIC_ID));
-	return id;
+	return flat_get_apic_id(apic_read(APIC_ID));
 }
 
 static int flat_apic_id_registered(void)
arch/x86/kernel/apic/apic_numachip.c +1 -4
index 714d4fda0d52..e08fe2c8dd8c 100644
@@ -40,10 +40,7 @@ static unsigned int numachip1_get_apic_id(unsigned long x)
 
 static unsigned long numachip1_set_apic_id(unsigned int id)
 {
-	unsigned long x;
-
-	x = ((id & 0xffU) << 24);
-	return x;
+	return (id & 0xff) << 24;
 }
 
 static unsigned int numachip2_get_apic_id(unsigned long x)
arch/x86/kernel/apic/x2apic_uv_x.c +2 -5
index cb0673c1e940..0f8cd928f368 100644
@@ -533,11 +533,8 @@ static unsigned int x2apic_get_apic_id(unsigned long x)
 
 static unsigned long set_apic_id(unsigned int id)
 {
-	unsigned long x;
-
-	/* maskout x2apic_extra_bits ? */
-	x = id;
-	return x;
+	/* CHECKME: Do we need to mask out the xapic extra bits? */
+	return id;
 }
 
 static unsigned int uv_read_apic_id(void)
arch/x86/kernel/kprobes/core.c +1 -1
index 7847e5c0e0b5..28cee019209c 100644
@@ -45,7 +45,7 @@
 #include <linux/slab.h>
 #include <linux/hardirq.h>
 #include <linux/preempt.h>
-#include <linux/module.h>
+#include <linux/extable.h>
 #include <linux/kdebug.h>
 #include <linux/kallsyms.h>
 #include <linux/ftrace.h>
arch/x86/kernel/kprobes/opt.c +1 -1
index 4425f593f0ec..3bb4c5f021f6 100644
@@ -24,7 +24,7 @@
 #include <linux/slab.h>
 #include <linux/hardirq.h>
 #include <linux/preempt.h>
-#include <linux/module.h>
+#include <linux/extable.h>
 #include <linux/kdebug.h>
 #include <linux/kallsyms.h>
 #include <linux/ftrace.h>
arch/x86/mm/extable.c +1 -1
index 832b98f822be..79ae939970d3 100644
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/extable.h>
 #include <asm/uaccess.h>
 #include <asm/traps.h>
 #include <asm/kdebug.h>
arch/x86/mm/fault.c +1 -1
index dc8023060456..79ae05477d94 100644
@@ -5,7 +5,7 @@
  */
 #include <linux/sched.h>		/* test_thread_flag(), ...	*/
 #include <linux/kdebug.h>		/* oops_begin/end, ...		*/
-#include <linux/module.h>		/* search_exception_table	*/
+#include <linux/extable.h>		/* search_exception_table	*/
 #include <linux/bootmem.h>		/* max_low_pfn			*/
 #include <linux/kprobes.h>		/* NOKPROBE_SYMBOL, ...		*/
 #include <linux/mmiotrace.h>		/* kmmio_handler, ...		*/
arch/x86/mm/pat_rbtree.c +1 -3
index de391b7bc19a..159b52ccd600 100644
@@ -254,9 +254,7 @@ struct memtype *rbt_memtype_erase(u64 start, u64 end)
 
 struct memtype *rbt_memtype_lookup(u64 addr)
 {
-	struct memtype *data;
-	data = memtype_rb_lowest_match(&memtype_rbroot, addr, addr + PAGE_SIZE);
-	return data;
+	return memtype_rb_lowest_match(&memtype_rbroot, addr, addr + PAGE_SIZE);
 }
 
 #if defined(CONFIG_DEBUG_FS)
arch/x86/platform/uv/bios_uv.c +2 -5
index 23f2f3e41c7f..b4d5e95fe4df 100644
@@ -149,11 +149,8 @@ EXPORT_SYMBOL_GPL(uv_bios_change_memprotect);
 s64
 uv_bios_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
 {
-	s64 ret;
-
-	ret = uv_bios_call_irqsave(UV_BIOS_GET_PARTITION_ADDR, (u64)cookie,
-					(u64)addr, buf, (u64)len, 0);
-	return ret;
+	return uv_bios_call_irqsave(UV_BIOS_GET_PARTITION_ADDR, (u64)cookie,
+				    (u64)addr, buf, (u64)len, 0);
 }
 EXPORT_SYMBOL_GPL(uv_bios_reserved_page_pa);
arch/x86/platform/uv/tlb_uv.c +1 -5
index fdb4d42b4ce5..276e1b7bba3c 100644
@@ -580,11 +580,7 @@ static int uv1_wait_completion(struct bau_desc *bau_desc,
  */
 static unsigned long uv2_3_read_status(unsigned long offset, int rshft, int desc)
 {
-	unsigned long descriptor_status;
-
-	descriptor_status =
-		((read_lmmr(offset) >> rshft) & UV_ACT_STATUS_MASK) << 1;
-	return descriptor_status;
+	return ((read_lmmr(offset) >> rshft) & UV_ACT_STATUS_MASK) << 1;
 }
 
 /*