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x86/fpu: Uninline fpstate_free() and move it next to the allocation function 

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: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-04-22 15:58:37 +02:00
parent a752b53d9d
commit 5a12bf6332
2 changed files with 10 additions and 8 deletions
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9
arch/x86/include/asm/fpu-internal.h
View File

@ -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()) {

9
arch/x86/kernel/fpu/core.c
View File

@ -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;