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Re: [Xen-devel] [Patch] remove unneeded test for cpu in cpupool
| To: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Przywara, Andre" <Andre.Przywara@xxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [Patch] remove unneeded test for cpu in cpupool |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Wed, 16 Mar 2011 10:13:42 +0000 |
| Cc: | |
| Delivery-date: | Wed, 16 Mar 2011 03:15:28 -0700 |
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| Thread-topic: | [Xen-devel] [Patch] remove unneeded test for cpu in cpupool |
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On 16/03/2011 06:34, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote: > Hi, > > attached patch removes an unneeded check in vcpu_migrate(). > > Andre, could you please give it a try on your 48 core machine with > > xl cpupool-numa-split > > I'd like to make sure the check is really not needed. On my machines it worked > okay, but your machine seems to trigger races more easily. Could you BUG_ON failing this test when we exit the retry loop? It seems a suitable loop post-condition. -- Keir > > Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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