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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-16 12:55:01 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-16 23:05:43 +0200
commit50f7ccc64750610f57983720613713b2c14f0e9c (patch)
tree57f9ae7d176444b82245ed474de55af05f712e96 /drivers/cpuidle
parent3d95b89e573bb8460886ff2ca769b067bfcc50aa (diff)
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>
Diffstat (limited to 'drivers/cpuidle')
-rw-r--r--drivers/cpuidle/governors/menu.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 5700464baad5..1560a9e76f06 100644
--- 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 &&