Commit-ID: e102f30f4e22b7eb8f3dfbe7fec334cffb350fd8
Gitweb: http://git.kernel.org/tip/e102f30f4e22b7eb8f3dfbe7fec334cffb350fd8
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Wed, 22 Apr 2015 20:09:29 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 19 May 2015 15:47:21 +0200
x86/fpu: Move fpu_copy() to fpu/core.c
Move fpu_copy() where its only user is.
Beyond readability this also speeds up compilation, as fpu-internal.h
is included in over a dozen .c files.
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 | 14 --------------
arch/x86/kernel/fpu/core.c | 14 ++++++++++++++
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index 1e2b6c6..e180fb9 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -565,20 +565,6 @@ 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 fpu_copy(struct task_struct *dst, struct task_struct *src)
-{
- if (use_eager_fpu()) {
- memset(&dst->thread.fpu.state->xsave, 0, xstate_size);
- __save_fpu(dst);
- } else {
- struct fpu *dfpu = &dst->thread.fpu;
- struct fpu *sfpu = &src->thread.fpu;
-
- fpu__save(src);
- memcpy(dfpu->state, sfpu->state, xstate_size);
- }
-}
-
static inline unsigned long
alloc_mathframe(unsigned long sp, int ia32_frame, unsigned long *buf_fx,
unsigned long *size)
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 6ce971c..2cc2380 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -203,6 +203,20 @@ void fpstate_free(struct fpu *fpu)
}
EXPORT_SYMBOL_GPL(fpstate_free);
+static void fpu_copy(struct task_struct *dst, struct task_struct *src)
+{
+ if (use_eager_fpu()) {
+ memset(&dst->thread.fpu.state->xsave, 0, xstate_size);
+ __save_fpu(dst);
+ } else {
+ struct fpu *dfpu = &dst->thread.fpu;
+ struct fpu *sfpu = &src->thread.fpu;
+
+ fpu__save(src);
+ memcpy(dfpu->state, sfpu->state, xstate_size);
+ }
+}
+
int fpu__copy(struct task_struct *dst, struct task_struct *src)
{
dst->thread.fpu.counter = 0;
--
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