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authorLinus Torvalds2007-05-05 14:55:20 -0700
committerLinus Torvalds2007-05-05 14:55:20 -0700
commitea62ccd00fd0b6720b033adfc9984f31130ce195 (patch)
tree9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-x86_64/tlbflush.h
parent886a0768affe9a32f18c45f8e1393bca9ece5392 (diff)
parent35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff)
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits) [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall [PATCH] i386: type may be unused [PATCH] i386: Some additional chipset register values validation. [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split. [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu [PATCH] i386: white space fixes in i387.h [PATCH] i386: Drop noisy e820 debugging printks [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems [PATCH] x86-64: Share identical video.S between i386 and x86-64 [PATCH] x86-64: Remove CONFIG_REORDER [PATCH] x86-64: Print type and size correctly for unknown compat ioctls [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0) [PATCH] i386: Little cleanups in smpboot.c [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible [PATCH] i386: Add X86_FEATURE_RDTSCP [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386 [PATCH] i386: Implement alternative_io for i386 ... Fix up trivial conflict in include/linux/highmem.h manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 983bd296c81a..512401b8725f 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) \