From: Rik van Riel Date: Fri, 6 Feb 2015 20:02:04 +0000 (-0500) Subject: x86/fpu: Use task_disable_lazy_fpu_restore() helper X-Git-Tag: omap-for-v4.1/fixes-rc1~189^2~12^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a5fe8952bd676baf382d14df21e7b32b5d8943e;p=pandora-kernel.git x86/fpu: Use task_disable_lazy_fpu_restore() helper Replace magic assignments of fpu.last_cpu = ~0 with more explicit task_disable_lazy_fpu_restore() calls. Signed-off-by: Rik van Riel Cc: Oleg Nesterov Cc: Linus Torvalds Link: http://lkml.kernel.org/r/1423252925-14451-8-git-send-email-riel@redhat.com Signed-off-by: Borislav Petkov --- diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index 04c2807aab66..e5f8f8eaf225 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -439,7 +439,7 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta if (__thread_has_fpu(old)) { if (!__save_init_fpu(old)) - old->thread.fpu.last_cpu = ~0; + task_disable_lazy_fpu_restore(old); else old->thread.fpu.last_cpu = cpu; @@ -455,7 +455,7 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta stts(); } else { old->thread.fpu_counter = 0; - old->thread.fpu.last_cpu = ~0; + task_disable_lazy_fpu_restore(old); if (fpu.preload) { new->thread.fpu_counter++; if (!use_eager_fpu() && fpu_lazy_restore(new, cpu)) Reading git-diff-tree failed