---

yaml --- r: 53754 b: refs/heads/master c: fbc16f2 h: refs/heads/master v: v3
git-mirror · May 2, 2007 · e2f8bfe · e2f8bfe
1 parent 7399db3
commit e2f8bfe
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Showing 3 changed files with 12 additions and 30 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f9d09645d6157fefa18ff75930737060c8092ddb
+refs/heads/master: fbc16f2c2a0e16dbd75ac85d3b6db97f92b642ba
diff --git a/trunk/include/asm-x86_64/system.h b/trunk/include/asm-x86_64/system.h
@@ -89,6 +89,11 @@ static inline unsigned long read_cr3(void)
 	return cr3;
 } 
 
+static inline void write_cr3(unsigned long val)
+{
+	asm volatile("movq %0,%%cr3" :: "r" (val) : "memory");
+}
+
 static inline unsigned long read_cr4(void)
 { 
 	unsigned long cr4;
@@ -98,7 +103,7 @@ static inline unsigned long read_cr4(void)
 
 static inline void write_cr4(unsigned long val)
 { 
-	asm volatile("movq %0,%%cr4" :: "r" (val));
+	asm volatile("movq %0,%%cr4" :: "r" (val) : "memory");
 } 
 
 #define stts() write_cr0(8 | read_cr0())

diff --git a/trunk/include/asm-x86_64/tlbflush.h b/trunk/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) \