[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [xen vMCE RFC V0.2] xen vMCE design
>>> On 03.07.12 at 16:50, Christoph Egger <Christoph.Egger@xxxxxxx> wrote: > On 07/03/12 15:26, Luck, Tony wrote: > >>> I'm not convinced of the need, and would prefer aiming at a >>> shared implementation unless issues arise that make this >>> impossible. >> >> It does sound odd. Yes, Intel and AMD have differences around CMCI ... but > we are never >> going to send a CMCI to a guest (there is no point, it can't do anything > useful with the >> information, it may do something pointlessly stupid like stop using a guest > physical page). >> The only reason I suggested making MCG_CAP pretend that CMCI was supported > was a >> small optimization ... if a Linux guest sees that CMCI is supported, it will > not poll the machine >> check banks looking for corrected errors. > > > Are you talking about PV or HVM guest? > > For HVM guests yes it makes sense to disable CMCI in MCG_CAP for both > AMD and Intel. "enable" you mean? Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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