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Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git]
/
include
/
asm-i386
/
tlbflush.h
diff --git
a/include/asm-i386/tlbflush.h
b/include/asm-i386/tlbflush.h
index
f22fab0
..
ab216e1
100644
(file)
--- a/
include/asm-i386/tlbflush.h
+++ b/
include/asm-i386/tlbflush.h
@@
-22,16
+22,18
@@
*/
#define __flush_tlb_global() \
do { \
*/
#define __flush_tlb_global() \
do { \
- unsigned int tmpreg
;
\
+ unsigned int tmpreg
, cr4, cr4_orig;
\
\
__asm__ __volatile__( \
\
__asm__ __volatile__( \
- "movl %1, %%cr4; # turn off PGE \n" \
+ "movl %%cr4, %2; # turn off PGE \n" \
+ "movl %2, %1; \n" \
+ "andl %3, %1; \n" \
+ "movl %1, %%cr4; \n" \
"movl %%cr3, %0; \n" \
"movl %0, %%cr3; # flush TLB \n" \
"movl %2, %%cr4; # turn PGE back on \n" \
"movl %%cr3, %0; \n" \
"movl %0, %%cr3; # flush TLB \n" \
"movl %2, %%cr4; # turn PGE back on \n" \
- : "=&r" (tmpreg) \
- : "r" (mmu_cr4_features & ~X86_CR4_PGE), \
- "r" (mmu_cr4_features) \
+ : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) \
+ : "i" (~X86_CR4_PGE) \
: "memory"); \
} while (0)
: "memory"); \
} while (0)