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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
