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Date: Tue, 5 May 2015 18:24:30 +0200 From: Ingo Molnar <mingo@...nel.org> To: linux-kernel@...r.kernel.org Cc: Andy Lutomirski <luto@...capital.net>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, Fenghua Yu <fenghua.yu@...el.com>, "H. Peter Anvin" <hpa@...or.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Oleg Nesterov <oleg@...hat.com>, Thomas Gleixner <tglx@...utronix.de> Subject: [PATCH 050/208] x86/fpu: Remove 'struct task_struct' usage from __thread_fpu_end() Migrate this function to pure 'struct fpu' usage. Reviewed-by: Borislav Petkov <bp@...en8.de> Cc: Andy Lutomirski <luto@...capital.net> Cc: Dave Hansen <dave.hansen@...ux.intel.com> Cc: Fenghua Yu <fenghua.yu@...el.com> Cc: H. Peter Anvin <hpa@...or.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Oleg Nesterov <oleg@...hat.com> Cc: Thomas Gleixner <tglx@...utronix.de> Signed-off-by: Ingo Molnar <mingo@...nel.org> --- arch/x86/include/asm/fpu-internal.h | 6 +++--- arch/x86/kernel/fpu/core.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index cf0d4124fb3d..b1803a656651 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -344,9 +344,9 @@ static inline void __thread_set_has_fpu(struct fpu *fpu) * These generally need preemption protection to work, * do try to avoid using these on their own. */ -static inline void __thread_fpu_end(struct task_struct *tsk) +static inline void __thread_fpu_end(struct fpu *fpu) { - __thread_clear_has_fpu(&tsk->thread.fpu); + __thread_clear_has_fpu(fpu); if (!use_eager_fpu()) stts(); } @@ -372,7 +372,7 @@ static inline void drop_fpu(struct task_struct *tsk) asm volatile("1: fwait\n" "2:\n" _ASM_EXTABLE(1b, 2b)); - __thread_fpu_end(tsk); + __thread_fpu_end(fpu); } clear_stopped_child_used_math(tsk); diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 172315e29c25..96d175101cd8 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -143,7 +143,7 @@ void fpu__save(struct task_struct *tsk) __save_fpu(tsk); } else { fpu_save_init(fpu); - __thread_fpu_end(tsk); + __thread_fpu_end(fpu); } } preempt_enable(); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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