linux-kernel - [PATCH 092/208] x86/fpu: Rename __thread_fpu_begin() to fpregs

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Date:	Tue,  5 May 2015 19:49:44 +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 092/208] x86/fpu: Rename __thread_fpu_begin() to fpregs_activate()

Propagate the 'fpu->fpregs_active' naming to the high level
function that sets it.

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          | 4 ++--
 2 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 7a235171be6c..18a62239c73d 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -342,7 +342,7 @@ static inline void __thread_fpu_end(struct fpu *fpu)
 		stts();
 }
 
-static inline void __thread_fpu_begin(struct fpu *fpu)
+static inline void fpregs_activate(struct fpu *fpu)
 {
 	if (!use_eager_fpu())
 		clts();
@@ -441,7 +441,7 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu)
 				fpu.preload = 0;
 			else
 				prefetch(new_fpu->state);
-			__thread_fpu_begin(new_fpu);
+			fpregs_activate(new_fpu);
 		}
 	}
 	return fpu;
@@ -499,7 +499,7 @@ static inline void user_fpu_begin(void)
 
 	preempt_disable();
 	if (!user_has_fpu())
-		__thread_fpu_begin(fpu);
+		fpregs_activate(fpu);
 	preempt_enable();
 }
 
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index a7fb56266a2d..75b94985c82e 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -368,9 +368,9 @@ void fpu__restore(void)
 		local_irq_disable();
 	}
 
-	/* Avoid __kernel_fpu_begin() right after __thread_fpu_begin() */
+	/* Avoid __kernel_fpu_begin() right after fpregs_activate() */
 	kernel_fpu_disable();
-	__thread_fpu_begin(fpu);
+	fpregs_activate(fpu);
 	if (unlikely(restore_fpu_checking(fpu))) {
 		fpu_reset_state(fpu);
 		force_sig_info(SIGSEGV, SEND_SIG_PRIV, tsk);
-- 
2.1.0

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