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Commit 2d75bcf3 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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



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

This slightly speeds up compilation.

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 384a23f9

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

+0 −11
Original line number Original line Diff line number Diff line
@@ -501,17 +501,6 @@ static inline void user_fpu_begin(void) 
	preempt_enable();

	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

 * i387 state interaction

 */

 */

arch/x86/kernel/fpu/core.c

+12 −0
Original line number Original line Diff line number Diff line
@@ -125,6 +125,18 @@ void __kernel_fpu_end(void) 
}

}

EXPORT_SYMBOL(__kernel_fpu_end);

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):

 * Save the FPU state (initialize it if necessary):

 *

 *