linux-kernel - [PATCH 036/208] x86/fpu: Uninline fpstate_free() and move it next to the allocation function

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Date:	Tue,  5 May 2015 18:24:16 +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 036/208] x86/fpu: Uninline fpstate_free() and move it next to the allocation function

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 | 9 +--------
 arch/x86/kernel/fpu/core.c          | 9 +++++++++
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index 6c1ceb7c3f9a..16a1c66cf4ee 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -567,16 +567,9 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
 extern void fpstate_cache_init(void);
 
 extern int fpstate_alloc(struct fpu *fpu);
+extern void fpstate_free(struct fpu *fpu);
 extern int fpu__copy(struct task_struct *dst, struct task_struct *src);
 
-static inline void fpstate_free(struct fpu *fpu)
-{
-	if (fpu->state) {
-		kmem_cache_free(task_xstate_cachep, fpu->state);
-		fpu->state = NULL;
-	}
-}
-
 static inline void fpu_copy(struct task_struct *dst, struct task_struct *src)
 {
 	if (use_eager_fpu()) {
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index e02c42965f53..4209105d2854 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -178,6 +178,15 @@ int fpstate_alloc(struct fpu *fpu)
 }
 EXPORT_SYMBOL_GPL(fpstate_alloc);
 
+void fpstate_free(struct fpu *fpu)
+{
+	if (fpu->state) {
+		kmem_cache_free(task_xstate_cachep, fpu->state);
+		fpu->state = NULL;
+	}
+}
+EXPORT_SYMBOL_GPL(fpstate_free);
+
 int fpu__copy(struct task_struct *dst, struct task_struct *src)
 {
 	dst->thread.fpu.counter = 0;
-- 
2.1.0

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