WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

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

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: RE: [Xen-devel] RE: "monitor"-ed address and IPI reduction
From: "Wei, Gang" <gang.wei@xxxxxxxxx>
Date: Wed, 10 Mar 2010 17:41:53 +0800
Accept-language: zh-CN, en-US
Acceptlanguage: zh-CN, en-US
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 10 Mar 2010 01:43:18 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C7BD0756.C8FC%keir.fraser@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <E6467867A6B05E4FA831B7DF29925F5C40CC50D5@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <C7BD0756.C8FC%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Acq/X7uzHWoNX1poSRqUbcD+XJl8LAAAcPDwACr8vFAAB1qetAACvSEw
Thread-topic: [Xen-devel] RE: "monitor"-ed address and IPI reduction
Keir Fraser wrote:
> 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.

That's fine.

Jimmy
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>