[PATCH 062/208] x86/fpu: Move __save_fpu() into fpu/core.c

Ingo Molnar
2015-05-05T16:51:16Z

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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/asm/fpu-internal.h | 11 -----------
arch/x86/kernel/fpu/core.c | 12 ++++++++++++
2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index 5fd9b3f9be0f..6b84399c8839 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -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
*/
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 2da02fcc0e35..93bf90d48ded 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -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):
*
--
2.1.0