Re: [Xen-devel] [PATCH v3 5/6] xen: RCU: avoid busy waiting until the end of grace period.

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On Wed, Aug 30, 2017 at 8:18 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>> Apart from this, are you OK with the patch?
>
> Yes.
>
>> Dario is on holiday, and I think it would be good to get this
>> functionality in sooner rather than later to shake out as many bugs as
>> possible.  Would you be willing to let the idle timer period be set with
>> a follow-up patch?
>
> Yes.
>
>> I'm happy to propagate the comment change to acpi_processor_idle() if
>> necessary.
>
> Propagate? So far I was of the opinion that the change had been
> intentionally dropped there, but was mistakenly left in place in
> mwait_idle(). Or if the comment was intended to be changed (in
> both places) I can't see how that would belong into this patch, as
> I think sched_tick_suspend() could have fiddled with timers even
> before. But in the end I don't care all that much if the comment
> adjustment gets done here or in a separate patch - my main wish
> really is for the two places to stay in sync.

OK -- I've checked in through patch 5 with that comment hunk removed.

Thanks,
 -George

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