Commit-ID: 2d75bcf31470b15205f915aae725a284bc8f2da8
Gitweb: http://git.kernel.org/tip/2d75bcf31470b15205f915aae725a284bc8f2da8
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Thu, 23 Apr 2015 17:49:29 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 19 May 2015 15:47:27 +0200
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: Borislav Petkov <bp@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 5fd9b3f..6b84399 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 41c9289..9db4ef3 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):
*
--
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