15 Nov
2015
15 Nov
'15
5:48 p.m.
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