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Commit 7dba33c6 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Thomas Gleixner
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clocksource: Rework stale comment 



AFAICS the hotplug code no longer uses this function.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarRafael 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
parent cd2af07d

kernel/time/clocksource.c

+2 −4
Original line number Diff line number Diff line
@@ -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)

{