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

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 18/9/08 04:56, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:

>> 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?

There are races here in any case. What if #MC happens halfway through the
scheduler, just before set_current(new)?

 -- Keir



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