Re: [Xen-devel] [PATCH V4] X86/vMCE: handle broken page with regard to migration

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 30/11/12 18:51, Liu, Jinsong wrote:
> Not exactly I think. Reading the broken page will trigger a serious SRAR error. 
> Under such case hypervisor will inject a vMCE to the guest which was migrating, 
> not dom0. The reason of this injection is, guest is best one to handle it, w/ 
> sufficient clue/status/information (other component like hypervisor/dom0 are not 
> proper). For xl migration process, after return from MCE context, it *again* read 
> the broken page ... this will kill system entirely --> so we definitely not 
> care migration any more.
Why would the vMCE be sent to the guest, rather than the vcpu that was 
running when the SRAR error occured (i.e., the vcpu on which the 
migration process was running)?
 -George


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel