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Commit 5a12bf63 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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



Reviewed-by: default avatarBorislav 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: default avatarIngo Molnar <mingo@kernel.org>
parent a752b53d

arch/x86/include/asm/fpu-internal.h

+1 −8
Original line number Diff line number Diff line
@@ -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()) {

arch/x86/kernel/fpu/core.c

+9 −0
Original line number Diff line number Diff line
@@ -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;