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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-01-30 07:31:27 -0500
committerIngo Molnar <mingo@elte.hu>2008-01-30 07:31:27 -0500
commitc72dcf83ff8585c95739abffa3be7c87ca63d66b (patch)
tree7bf10bb9f3f25d3ad4cb7d4772bbc66b122500de /include/asm-x86
parent746ff60f2627626fca0d8ddbf6b1f04d505782f4 (diff)
x86: move load_cr3 to a common place.
There are currently two definitions of load_cr3, that essentially do the same thing. This patch moves them all to processor.h. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/mmu_context_64.h5
-rw-r--r--include/asm-x86/processor.h7
-rw-r--r--include/asm-x86/processor_32.h1
3 files changed, 7 insertions, 6 deletions
diff --git a/include/asm-x86/mmu_context_64.h b/include/asm-x86/mmu_context_64.h
index 98bfe43dd806..7e2aa23fccbf 100644
--- a/include/asm-x86/mmu_context_64.h
+++ b/include/asm-x86/mmu_context_64.h
@@ -23,11 +23,6 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
23#endif 23#endif
24} 24}
25 25
26static inline void load_cr3(pgd_t *pgd)
27{
28 asm volatile("movq %0,%%cr3" :: "r" (__pa(pgd)) : "memory");
29}
30
31static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, 26static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
32 struct task_struct *tsk) 27 struct task_struct *tsk)
33{ 28{
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index e8dd394c9f46..36ee9881b74f 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -3,6 +3,9 @@
3 3
4#include <asm/processor-flags.h> 4#include <asm/processor-flags.h>
5 5
6#include <asm/page.h>
7#include <asm/system.h>
8
6static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, 9static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
7 unsigned int *ecx, unsigned int *edx) 10 unsigned int *ecx, unsigned int *edx)
8{ 11{
@@ -15,6 +18,10 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
15 : "0" (*eax), "2" (*ecx)); 18 : "0" (*eax), "2" (*ecx));
16} 19}
17 20
21static inline void load_cr3(pgd_t *pgdir)
22{
23 write_cr3(__pa(pgdir));
24}
18 25
19#ifdef CONFIG_X86_32 26#ifdef CONFIG_X86_32
20# include "processor_32.h" 27# include "processor_32.h"
diff --git a/include/asm-x86/processor_32.h b/include/asm-x86/processor_32.h
index cadeffb54a72..b586902acd85 100644
--- a/include/asm-x86/processor_32.h
+++ b/include/asm-x86/processor_32.h
@@ -120,7 +120,6 @@ extern void detect_ht(struct cpuinfo_x86 *c);
120static inline void detect_ht(struct cpuinfo_x86 *c) {} 120static inline void detect_ht(struct cpuinfo_x86 *c) {}
121#endif 121#endif
122 122
123#define load_cr3(pgdir) write_cr3(__pa(pgdir))
124 123
125/* 124/*
126 * Save the cr4 feature set we're using (ie 125 * Save the cr4 feature set we're using (ie