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-rw-r--r--arch/x86_64/kernel/process.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index a418ee4c8c6..cbbc6adc1a9 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -109,7 +109,11 @@ void exit_idle(void)
static void default_idle(void)
{
current_thread_info()->status &= ~TS_POLLING;
- smp_mb__after_clear_bit();
+ /*
+ * TS_POLLING-cleared state must be visible before we
+ * test NEED_RESCHED:
+ */
+ smp_mb();
local_irq_disable();
if (!need_resched()) {
/* Enables interrupts one instruction before HLT.