Messages in this thread Patch in this message |  | | From | riel@redhat ... | Subject | [PATCH 6/8] x86,fpu: use an explicit if/else in switch_fpu_prepare | Date | Fri, 6 Feb 2015 15:02:03 -0500 |
| |
From: Rik van Riel <riel@redhat.com>
Use an explicit if/else branch after __save_init_fpu(old) in switch_fpu_prepare. This makes substituting the assignment with a call to task_disable_lazy_fpu() in the next patch easier to review.
Signed-off-by: Rik van Riel <riel@redhat.com> --- arch/x86/include/asm/fpu-internal.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index c1f66261ad12..04063751ac80 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -440,8 +440,9 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta new->thread.fpu_counter > 5); if (__thread_has_fpu(old)) { if (!__save_init_fpu(old)) - cpu = ~0; - old->thread.fpu.last_cpu = cpu; + old->thread.fpu.last_cpu = ~0; + else + old->thread.fpu.last_cpu = cpu; old->thread.fpu.has_fpu = 0; /* But leave fpu_owner_task! */ /* Don't change CR0.TS if we just switch! */ -- 1.9.3
|  |