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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-14 02:20:50 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-14 02:20:50 +0200 |
| commit | c7b228adcafe5024a60fc246476e11af8699b759 (patch) | |
| tree | 24282d63edec0393b7a5202a891f670bb826952e /arch/x86/include | |
| parent | 708d0b41a26907ac83cde41dd5a75b5a2f8f1218 (diff) | |
| parent | 6f46b3aef0031c08a7b439d63013dad2aeb093b2 (diff) | |
| download | op-kernel-dev-c7b228adcafe5024a60fc246476e11af8699b759.zip op-kernel-dev-c7b228adcafe5024a60fc246476e11af8699b759.tar.gz | |
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU updates from Ingo Molnar:
"x86 FPU handling fixes, cleanups and enhancements from Oleg.
The signal handling race fix and the __restore_xstate_sig() preemption
fix for eager-mode is marked for -stable as well"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: copy_thread: Don't nullify ->ptrace_bps twice
x86, fpu: Shift "fpu_counter = 0" from copy_thread() to arch_dup_task_struct()
x86, fpu: copy_process: Sanitize fpu->last_cpu initialization
x86, fpu: copy_process: Avoid fpu_alloc/copy if !used_math()
x86, fpu: Change __thread_fpu_begin() to use use_eager_fpu()
x86, fpu: __restore_xstate_sig()->math_state_restore() needs preempt_disable()
x86, fpu: shift drop_init_fpu() from save_xstate_sig() to handle_signal()
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/fpu-internal.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index 412ecec..e97622f 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -344,7 +344,7 @@ static inline void __thread_fpu_end(struct task_struct *tsk) static inline void __thread_fpu_begin(struct task_struct *tsk) { - if (!static_cpu_has_safe(X86_FEATURE_EAGER_FPU)) + if (!use_eager_fpu()) clts(); __thread_set_has_fpu(tsk); } |
