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authorThomas Gleixner <tglx@linutronix.de>2009-09-14 19:49:02 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-09-14 21:59:32 +0200
commit54a6bc0b071c50150bc6d1da16c2cd9a963e288c (patch)
tree87b576e31db14f6d57b0d8ed97743ab9779de30e /kernel/time.c
parente6c733050faa93ce616bfedccd279ab12cffdd7b (diff)
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clocksource: Delay clocksource down rating to late boot
The down rating of clock sources in the early boot process via the clock source watchdog mechanism can happen way before the per cpu event queues are initialized. This leads to a boot crash on x86 when the TSC is marked unstable in the SMP bring up. The selection of a clock source for time keeping happens in the late boot process so we can safely delay the list manipulation until clocksource_done_booting() is called. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <new-submission> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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