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| author | Ingo Molnar <mingo@kernel.org> | 2015-04-22 09:52:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:14 +0200 |
| commit | c0c2803dee21bef08ef5aacdf96fe2f1759ccc62 (patch) | |
| tree | d3f75137f0589eb3214e23bcaab9d2919b31465b /arch/x86/include/asm/fpu-internal.h | |
| parent | 3f6a0bce90289e0980b4250ccb03b765860247ee (diff) | |
| download | linux-c0c2803dee21bef08ef5aacdf96fe2f1759ccc62.tar.gz linux-c0c2803dee21bef08ef5aacdf96fe2f1759ccc62.tar.bz2 linux-c0c2803dee21bef08ef5aacdf96fe2f1759ccc62.zip | |
x86/fpu: Move thread_info::fpu_counter into thread_info::fpu.counter
This field is kept separate from the main FPU state structure for
no good reason.
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/fpu-internal.h')
| -rw-r--r-- | arch/x86/include/asm/fpu-internal.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index 02e0e97d8be7..f85d21b68901 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -384,7 +384,7 @@ static inline void drop_fpu(struct task_struct *tsk) * Forget coprocessor state.. */ preempt_disable(); - tsk->thread.fpu_counter = 0; + tsk->thread.fpu.counter = 0; if (__thread_has_fpu(tsk)) { /* Ignore delayed exceptions from user space */ @@ -441,7 +441,7 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta * or if the past 5 consecutive context-switches used math. */ fpu.preload = tsk_used_math(new) && - (use_eager_fpu() || new->thread.fpu_counter > 5); + (use_eager_fpu() || new->thread.fpu.counter > 5); if (__thread_has_fpu(old)) { if (!__save_init_fpu(old)) @@ -454,16 +454,16 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta /* Don't change CR0.TS if we just switch! */ if (fpu.preload) { - new->thread.fpu_counter++; + new->thread.fpu.counter++; __thread_set_has_fpu(new); prefetch(new->thread.fpu.state); } else if (!use_eager_fpu()) stts(); } else { - old->thread.fpu_counter = 0; + old->thread.fpu.counter = 0; task_disable_lazy_fpu_restore(old); if (fpu.preload) { - new->thread.fpu_counter++; + new->thread.fpu.counter++; if (fpu_lazy_restore(new, cpu)) fpu.preload = 0; else |