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RE: [Xen-devel] Re: [PATCH 1/4] CPU online/offline support in Xen



>> >
>> >Shouldn't this possibly be handled the other way around: If a
>> >recoverable
>> >MCE happened, immediately stop scheduling anything on the affected
>> >CPU(s), until Dom0 tells you otherwise (and of course as
>long as there
>> >remains at least one CPU to run on).
>>
>> Current MCE handling in Xen has no mechanism to achieve this.
>
>It has since c/s 17968.

Hmm, I think current NMI_MCE_SOFTIRQ can't make sure other guest will not be 
scheduled. Considering there is a schedule softirq already pending on the pCPU, 
other guest may run before the impacted guest. Did I missed anything?

Thanks
Yunhong Jiang


>
>Christoph
>
>
>
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