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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Xen live migration
At 14:20 +0100 on 19 Apr (1303222807), Keir Fraser wrote: > On 19/04/2011 14:05, "MaoXiaoyun" <tinnycloud@xxxxxxxxxxx> wrote: > > > Hi: > > > > I've been noticed that intel XSAVE is disabled in Xen source. > > Does this mean live migration is temporarily not support right now? > > Is it for buggy reason, will be enable again someday later? > > XSAVE doesn't have anything to do with live migration. XSAVE was disabled in 22084:ae0cd4e5cc01 because the original XSAVE support didn't include saving/restoring XSAVE contexts (i.e. it broke live migration). The changeset that added that support didn't re-enable xsave. :( The attached patch is the missing change to re-enable it by default (totally untested). Cheers, Tim. -- Tim Deegan <Tim.Deegan@xxxxxxxxxx> Principal Software Engineer, Xen Platform Team Citrix Systems UK Ltd. (Company #02937203, SL9 0BG) Attachment:
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