Messages in this thread | | | Date | Tue, 17 Nov 2015 13:25:40 +0100 | From | Peter Zijlstra <> | Subject | Re: local64_cmpxchg() in arc_perf_event_update() |
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On Tue, Nov 17, 2015 at 01:24:01PM +0100, Peter Zijlstra wrote: > On Tue, Nov 17, 2015 at 04:53:04PM +0530, Vineet Gupta wrote: > > That means Alexey need to revert the hunk ? > > Yes, I think so.
This is assuming you now have these NMIs we talked about earlier. If all you have are regular IRQs this is not possible, for we should be calling ->read() with IRQs disabled.
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