* Anton Blanchard <an...@ozlabs.org> [2017-04-04 07:54:13]:
> From: Anton Blanchard <an...@samba.org>
>
> The powerpc64 kernel exception handlers have preserved thread priorities
> for a long time now, so there is no need to continually set it.
>
> Just set it once on entry and once exit.
>
> Signed-off-by: Anton Blanchard <an...@samba.org>
Reviewed-by: Vaidyanathan Srinivasan <sva...@linux.vnet.ibm.com>
> ---
> drivers/cpuidle/cpuidle-powernv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpuidle/cpuidle-powernv.c
> b/drivers/cpuidle/cpuidle-powernv.c
> index 9d9f164894eb..8c991c254b95 100644
> --- a/drivers/cpuidle/cpuidle-powernv.c
> +++ b/drivers/cpuidle/cpuidle-powernv.c
> @@ -56,8 +56,8 @@ static int snooze_loop(struct cpuidle_device *dev,
>
> snooze_exit_time = get_tb() + snooze_timeout;
> ppc64_runlatch_off();
> + HMT_very_low();
> while (!need_resched()) {
> - HMT_very_low();
> if (snooze_timeout_en && get_tb() > snooze_exit_time)
> break;
> }
> --
> 2.11.0
>
