[PATCH 03/36] cpuidle/poll: Ensure IRQ state is invariant

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

cpuidle_state::enter() methods should be IRQ invariant

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 drivers/cpuidle/poll_state.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/cpuidle/poll_state.c
+++ b/drivers/cpuidle/poll_state.c
@@ -17,7 +17,7 @@ static int __cpuidle poll_idle(struct cp
 
        dev->poll_time_limit = false;
 
-       local_irq_enable();
+       raw_local_irq_enable();
        if (!current_set_polling_and_test()) {
                unsigned int loop_count = 0;
                u64 limit;
@@ -36,6 +36,8 @@ static int __cpuidle poll_idle(struct cp
                        }
                }
        }
+       raw_local_irq_disable();
+
        current_clr_polling();
 
        return index;