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Subject[PATCH 036/208] x86/fpu: Uninline fpstate_free() and move it next to the allocation function
Date
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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.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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