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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 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 10 Mar 2010 00:24:28 -0800 |
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| Thread-topic: | [Xen-devel] RE: "monitor"-ed address and IPI reduction |
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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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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