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Re: [Xen-devel] RE: "monitor"-ed address and IPI reduction

To: "Wei, Gang" <gang.wei@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] RE: "monitor"-ed address and IPI reduction
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 10 Mar 2010 08:22:46 +0000
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On 10/03/2010 05:09, "Wei, Gang" <gang.wei@xxxxxxxxx> wrote:

>> I agree that we can have a try on this. Waking up cpu by mem write
>> should be more efficient for monitor/mwait case.
> Here is a patch to monitor "sortirq_pending" instead of "current". The IPI
> reduction part may be a bit complex, can we hold it for post-4.0?

This whole thing is for post 4.0 now.

 -- Keir

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