cpuidle: menu: Update stale polling override comment

The comment to explain why the menu governor uses idle state 1
instead of idle state 0 as the first one sometimes is stale (among
other things it mentions a user setting not present any more),
so update it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2018-08-16 12:55:01 +02:00
parent 3d95b89e57
commit 50f7ccc647

View File

@ -328,9 +328,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
unsigned int polling_threshold;
/*
* We want to default to C1 (hlt), not to busy polling
* unless the timer is happening really really soon, or
* C1's exit latency exceeds the user configured limit.
* Default to a physical idle state, not to busy polling, unless
* a timer is going to trigger really really soon.
*/
polling_threshold = max_t(unsigned int, 20, s->target_residency);
if (data->next_timer_us > polling_threshold &&