diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-04-22 20:09:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:21 +0200 |
| commit | e102f30f4e22b7eb8f3dfbe7fec334cffb350fd8 (patch) | |
| tree | 856e0743e1e0a8964827cebb56cafb10673ea78a | |
| parent | x86/fpu: Remove __save_init_fpu() (diff) | |
| download | linux-e102f30f4e22b7eb8f3dfbe7fec334cffb350fd8.tar.xz linux-e102f30f4e22b7eb8f3dfbe7fec334cffb350fd8.zip | |
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@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>
| -rw-r--r-- | arch/x86/include/asm/fpu-internal.h | 14 | ||||
| -rw-r--r-- | 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 1e2b6c67b1f1..e180fb96dd0d 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 6ce971ccd85b..2cc2380b95ce 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; |