Commit-ID: 7dba33c6346c337aac3f7cd188137d4a6d3d1f3a
Gitweb: https://git.kernel.org/tip/7dba33c6346c337aac3f7cd188137d4a6d3d1f3a
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Mon, 30 Apr 2018 12:00:14 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 2 May 2018 16:10:41 +0200
clocksource: Rework stale comment
AFAICS the hotplug code no longer uses this function.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Cc: len.brown@xxxxxxxxx
Cc: rjw@xxxxxxxxxxxxx
Cc: diego.viola@xxxxxxxxx
Cc: rui.zhang@xxxxxxxxx
Link: https://lkml.kernel.org/r/20180430100344.656525644@xxxxxxxxxxxxx
---
kernel/time/clocksource.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 605656df16c4..84f37420fcf5 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -173,10 +173,8 @@ static void __clocksource_unstable(struct clocksource *cs)
* clocksource_mark_unstable - mark clocksource unstable via watchdog
* @cs: clocksource to be marked unstable
*
- * This function is called instead of clocksource_change_rating from
- * cpu hotplug code to avoid a deadlock between the clocksource mutex
- * and the cpu hotplug mutex. It defers the update of the clocksource
- * to the watchdog thread.
+ * This function is called by the x86 TSC code to mark clocksources as unstable;
+ * it defers demotion and re-selection to a kthread.
*/
void clocksource_mark_unstable(struct clocksource *cs)
{
--
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