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x86/fpu: Move __save_fpu() into fpu/core.c

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This helper function is only used in fpu/core.c, move it there.

This slightly speeds up compilation.

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 2015-04-23 17:49:29 +02:00
parent 384a23f939
commit 2d75bcf314
2 changed files with 12 additions and 11 deletions
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11
arch/x86/include/asm/fpu-internal.h
View file

@ -501,17 +501,6 @@ static inline void user_fpu_begin(void)
preempt_enable();
}
static inline void __save_fpu(struct task_struct *tsk)
{
if (use_xsave()) {
if (unlikely(system_state == SYSTEM_BOOTING))
xsave_state_booting(&tsk->thread.fpu.state->xsave);
else
xsave_state(&tsk->thread.fpu.state->xsave);
} else
fpu_fxsave(&tsk->thread.fpu);
}
/*
* i387 state interaction
*/

12
arch/x86/kernel/fpu/core.c
View file

@ -125,6 +125,18 @@ void __kernel_fpu_end(void)
}
EXPORT_SYMBOL(__kernel_fpu_end);
static void __save_fpu(struct task_struct *tsk)
{
if (use_xsave()) {
if (unlikely(system_state == SYSTEM_BOOTING))
xsave_state_booting(&tsk->thread.fpu.state->xsave);
else
xsave_state(&tsk->thread.fpu.state->xsave);
} else {
fpu_fxsave(&tsk->thread.fpu);
}
}
/*
* Save the FPU state (initialize it if necessary):
*