linux-kernel - [tip:x86/fpu] x86, fpu: Change __thread_fpu_begin() to use use_eager

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Message-ID: <tip-31d963389f67165402aa447a8e8ce5ffb9188b3d@git.kernel.org>
Date:	Tue, 2 Sep 2014 15:19:01 -0700
From:	tip-bot for Oleg Nesterov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	sbsiddha@...il.com, oleg@...hat.com, tglx@...utronix.de,
	hpa@...ux.intel.com
Subject: [tip:x86/fpu] x86, fpu: Change __thread_fpu_begin()
  to use use_eager_fpu()

Commit-ID:  31d963389f67165402aa447a8e8ce5ffb9188b3d
Gitweb:     http://git.kernel.org/tip/31d963389f67165402aa447a8e8ce5ffb9188b3d
Author:     Oleg Nesterov <oleg@...hat.com>
AuthorDate: Tue, 2 Sep 2014 19:57:20 +0200
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Tue, 2 Sep 2014 14:51:15 -0700

x86, fpu: Change __thread_fpu_begin() to use use_eager_fpu()

__thread_fpu_begin() checks X86_FEATURE_EAGER_FPU by hand, we have
a helper for that.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
Link: http://lkml.kernel.org/r/20140902175720.GA21656@redhat.com
Reviewed-by: Suresh Siddha <sbsiddha@...il.com>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/include/asm/fpu-internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);
 }
--
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