X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86_64%2Ftlbflush.h;h=888eb4abdd07a2fffa1c3ca3486962a3b56d7be5;hb=7616ee95f27a04fd5a6434e9ef4a82cec4b2807c;hp=983bd296c81a304281530c972f6f38c4b1384d95;hpb=ccaa36f73544163ef6e15eb29a620130755f6001;p=linux-2.6

diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h
index 983bd296c8..888eb4abdd 100644
--- a/include/asm-x86_64/tlbflush.h
+++ b/include/asm-x86_64/tlbflush.h
@@ -2,42 +2,20 @@
 #define _X8664_TLBFLUSH_H
 
 #include <linux/mm.h>
+#include <linux/sched.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) \
@@ -114,7 +92,11 @@ static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long st
 
 #endif
 
-#define flush_tlb_kernel_range(start, end) flush_tlb_all()
+static inline void flush_tlb_kernel_range(unsigned long start,
+					unsigned long end)
+{
+	flush_tlb_all();
+}
 
 static inline void flush_tlb_pgtables(struct mm_struct *mm,
 				      unsigned long start, unsigned long end)