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>

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 5700464baad5d22a5ef266e8716d862f72de77c2..1560a9e76f064b1307b2d99cf29cc62d5a85dc9c 100644 (file)
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -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 &&