summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2015-04-23 12:08:58 +0200
committerIngo Molnar <mingo@kernel.org>2015-05-19 15:47:22 +0200
commit36fe6175be15d33fec7c6aa53e6e202ad44f0b25 (patch)
tree25832e6a8e722b16b401818e1f206edaf13921bc /arch
parentx86/fpu: Eliminate the __thread_has_fpu() wrapper (diff)
downloadlinux-36fe6175be15d33fec7c6aa53e6e202ad44f0b25.tar.xz
linux-36fe6175be15d33fec7c6aa53e6e202ad44f0b25.zip
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@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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/fpu-internal.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index c005d1fc1247..94c068b6238e 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();
}