diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/process.c | 6 |
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. |