Messages in this thread | | | Date | Sun, 01 Jul 2012 10:28:25 -0700 | From | John Stultz <> | Subject | Re: [PATCH] [RFC] Potential fix for leapsecond caused futex related load spikes |
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On 07/01/2012 09:56 AM, Prarit Bhargava wrote: > > John, the issue is that clock_was_set calls on_each_cpu() -- which cannot be > called from interrupt context as it calls smp_call_function_many(). > > I don't think you can call call_was_set() from update_wall_time() as > update_wall_time() is called in interrupt context. >
Thanks for pointing this out. Ben Blum also mentioned this last night, but I missed the atomic bit instead of the xtime_lock issue.
Reworking the patch now.
thanks again -john
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