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-rw-r--r--arch/x86/kernel/i387.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 7734bcbb5a3..f250431fb50 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -88,7 +88,7 @@ void kernel_fpu_begin(void)
__thread_clear_has_fpu(me);
/* We do 'stts()' in kernel_fpu_end() */
} else {
- percpu_write(fpu_owner_task, NULL);
+ this_cpu_write(fpu_owner_task, NULL);
clts();
}
}
@@ -235,6 +235,7 @@ int init_fpu(struct task_struct *tsk)
if (tsk_used_math(tsk)) {
if (HAVE_HWFP && tsk == current)
unlazy_fpu(tsk);
+ tsk->thread.fpu.last_cpu = ~0;
return 0;
}