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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>
This commit is contained in:
Glauber de Oliveira Costa 2008-01-30 13:31:27 +01:00 committed by Ingo Molnar
parent 746ff60f26
commit c72dcf83ff
3 changed files with 7 additions and 6 deletions
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5
include/asm-x86/mmu_context_64.h
View File

@ -23,11 +23,6 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
#endif
}
static inline void load_cr3(pgd_t *pgd)
{
asm volatile("movq %0,%%cr3" :: "r" (__pa(pgd)) : "memory");
}
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk)
{

7
include/asm-x86/processor.h
View File

@ -3,6 +3,9 @@
#include <asm/processor-flags.h>
#include <asm/page.h>
#include <asm/system.h>
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
@ -15,6 +18,10 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
: "0" (*eax), "2" (*ecx));
}
static inline void load_cr3(pgd_t *pgdir)
{
write_cr3(__pa(pgdir));
}
#ifdef CONFIG_X86_32
# include "processor_32.h"

1
include/asm-x86/processor_32.h
View File

@ -120,7 +120,6 @@ extern void detect_ht(struct cpuinfo_x86 *c);
static inline void detect_ht(struct cpuinfo_x86 *c) {}
#endif
#define load_cr3(pgdir) write_cr3(__pa(pgdir))
/*
* Save the cr4 feature set we're using (ie