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Diffstat (limited to 'include/asm-x86_64/tlbflush.h')
-rw-r--r--include/asm-x86_64/tlbflush.h33
1 files changed, 5 insertions, 28 deletions
diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h
index 983bd296c81..512401b8725 100644
--- a/include/asm-x86_64/tlbflush.h
+++ b/include/asm-x86_64/tlbflush.h
@@ -3,41 +3,18 @@
#include <linux/mm.h>
#include <asm/processor.h>
-
-static inline unsigned long get_cr3(void)
-{
- unsigned long cr3;
- asm volatile("mov %%cr3,%0" : "=r" (cr3));
- return cr3;
-}
-
-static inline void set_cr3(unsigned long cr3)
-{
- asm volatile("mov %0,%%cr3" :: "r" (cr3) : "memory");
-}
+#include <asm/system.h>
static inline void __flush_tlb(void)
{
- set_cr3(get_cr3());
-}
-
-static inline unsigned long get_cr4(void)
-{
- unsigned long cr4;
- asm volatile("mov %%cr4,%0" : "=r" (cr4));
- return cr4;
-}
-
-static inline void set_cr4(unsigned long cr4)
-{
- asm volatile("mov %0,%%cr4" :: "r" (cr4) : "memory");
+ write_cr3(read_cr3());
}
static inline void __flush_tlb_all(void)
{
- unsigned long cr4 = get_cr4();
- set_cr4(cr4 & ~X86_CR4_PGE); /* clear PGE */
- set_cr4(cr4); /* write old PGE again and flush TLBs */
+ unsigned long cr4 = read_cr4();
+ write_cr4(cr4 & ~X86_CR4_PGE); /* clear PGE */
+ write_cr4(cr4); /* write old PGE again and flush TLBs */
}
#define __flush_tlb_one(addr) \