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| author | Peter Zijlstra <peterz@infradead.org> | 2018-04-30 12:00:14 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-02 16:10:41 +0200 |
| commit | 7dba33c6346c337aac3f7cd188137d4a6d3d1f3a (patch) | |
| tree | 97209988e12319029c0e69cb53be0dbedcbc64f5 /kernel/time/clocksource.c | |
| parent | cd2af07d823e5287cd6c91d54337348c2a873462 (diff) | |
| download | lwn-7dba33c6346c337aac3f7cd188137d4a6d3d1f3a.tar.gz lwn-7dba33c6346c337aac3f7cd188137d4a6d3d1f3a.zip | |
clocksource: Rework stale comment
AFAICS the hotplug code no longer uses this function.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: len.brown@intel.com
Cc: rjw@rjwysocki.net
Cc: diego.viola@gmail.com
Cc: rui.zhang@intel.com
Link: https://lkml.kernel.org/r/20180430100344.656525644@infradead.org
Diffstat (limited to 'kernel/time/clocksource.c')
| -rw-r--r-- | kernel/time/clocksource.c | 6 |
1 files 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) { |