Messages in this thread | | | Date | Sun, 15 Nov 2015 17:48:23 +0000 | From | Chris Wilson <> | Subject | Re: [PATCH 2/2] drm/i915: Limit the busy wait on requests to 2us not 10ms! |
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On Sun, Nov 15, 2015 at 01:32:44PM +0000, Chris Wilson wrote: > +static bool busywait_stop(u64 timeout, unsigned cpu) > +{ > + unsigned this_cpu; > + > + if (time_after64(local_clock_us(&this_cpu), timeout)) > + return true;
Just a note to say that we can use the unsigned long version rather than pass around u64 as this test will wraparound correctly (if we discard the high bits on x86-32). -Chris
-- Chris Wilson, Intel Open Source Technology Centre
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