clocksource: Move watchdog downgrade to a work queue thread

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Move the downgrade of an unstable clocksource from the timer interrupt
context into the process context of a work queue thread. This is
needed to be able to do the clocksource switch with stop_machine.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134809.354926067@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Martin Schwidefsky 2009-08-14 15:47:25 +02:00 • committed by Thomas Gleixner

parent fb63a0ebe6

commit c55c87c892

2 changed files with 40 additions and 17 deletions

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1

include/linux/clocksource.h

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56

kernel/time/clocksource.c

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