Re: [PATCH 2/3] x86: x2apic/cluster: Make use of lowest prioritydelivery mode

From: Alexander Gordeev
Date: Mon May 21 2012 - 03:11:43 EST


On Sat, May 19, 2012 at 02:47:25PM +0400, Cyrill Gorcunov wrote:
> On Fri, May 18, 2012 at 07:51:19PM +0400, Cyrill Gorcunov wrote:

> > Ah, you mean io-apic here. I'll try to find some time tonight/tomorrow-morning
> > for review. Thanks!
>
> Sorry for delay, Alexander. I can only review the code (I've no x2apic
> testing machine at the moment) and it looks good for me.
>
> Reviewed-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>

Thank you, Cyrill.

> p.s. Hope Suresh and Yinghai will take a look too. The thing which bothers
> me is that we use LowPrio delivery mode, while there is no lowprio in
> x2apic ipi messages and I assume the same should apply to ioapic generated
> messages.

My understanding of the specification is LowestPrio is not supported only for
IPIs on x2APIC. Can not imagine why IO-APICs need to be limited here. But let's
hear what the guys think.


--
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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