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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 01:55:20 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 01:55:20 +0400
commitea62ccd00fd0b6720b033adfc9984f31130ce195 (patch)
tree9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-i386/i387.h
parent886a0768affe9a32f18c45f8e1393bca9ece5392 (diff)
parent35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff)
downloadlinux-ea62ccd00fd0b6720b033adfc9984f31130ce195.tar.xz
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-i386/i387.h')
-rw-r--r--include/asm-i386/i387.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h
index 434936c732d6..cdd1e248e3b4 100644
--- a/include/asm-i386/i387.h
+++ b/include/asm-i386/i387.h
@@ -74,17 +74,18 @@ static inline void __save_init_fpu( struct task_struct *tsk )
task_thread_info(tsk)->status &= ~TS_USEDFPU;
}
-#define __unlazy_fpu( tsk ) do { \
- if (task_thread_info(tsk)->status & TS_USEDFPU) \
- save_init_fpu( tsk ); \
- else \
- tsk->fpu_counter = 0; \
+#define __unlazy_fpu( tsk ) do { \
+ if (task_thread_info(tsk)->status & TS_USEDFPU) { \
+ __save_init_fpu(tsk); \
+ stts(); \
+ } else \
+ tsk->fpu_counter = 0; \
} while (0)
#define __clear_fpu( tsk ) \
do { \
- if (task_thread_info(tsk)->status & TS_USEDFPU) { \
- asm volatile("fnclex ; fwait"); \
+ if (task_thread_info(tsk)->status & TS_USEDFPU) { \
+ asm volatile("fnclex ; fwait"); \
task_thread_info(tsk)->status &= ~TS_USEDFPU; \
stts(); \
} \
@@ -113,7 +114,7 @@ static inline void save_init_fpu( struct task_struct *tsk )
__clear_fpu( tsk ); \
preempt_enable(); \
} while (0)
- \
+
/*
* FPU state interaction...
*/