Commit-ID: 36fe6175be15d33fec7c6aa53e6e202ad44f0b25
Gitweb: http://git.kernel.org/tip/36fe6175be15d33fec7c6aa53e6e202ad44f0b25
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Thu, 23 Apr 2015 12:08:58 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 19 May 2015 15:47:22 +0200
x86/fpu: Change __thread_clear_has_fpu() to 'struct fpu' parameter
We do this to make the code more readable, and also to be able to eliminate
task_struct usage from most of the FPU code.
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 | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index c005d1f..94c068b 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -324,9 +324,9 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
}
/* Must be paired with an 'stts' after! */
-static inline void __thread_clear_has_fpu(struct task_struct *tsk)
+static inline void __thread_clear_has_fpu(struct fpu *fpu)
{
- tsk->thread.fpu.has_fpu = 0;
+ fpu->has_fpu = 0;
this_cpu_write(fpu_owner_task, NULL);
}
@@ -346,7 +346,7 @@ static inline void __thread_set_has_fpu(struct task_struct *tsk)
*/
static inline void __thread_fpu_end(struct task_struct *tsk)
{
- __thread_clear_has_fpu(tsk);
+ __thread_clear_has_fpu(&tsk->thread.fpu);
if (!use_eager_fpu())
stts();
}
--
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