Re: [Xen-devel] [PATCH V3] X86/vMCE: handle broken page with regard to migration

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 20/11/12 17:08, Liu, Jinsong wrote:
> > On the other hand, the whole situation is hopefully rare enough that
> > maybe we can just do the simple correct thing, even if it's a tiny bit
> > sub-optimal.  In that case, assuming that spurious vMCEs aren't a
> > problem (e.g., #1), I think we basically just need to see if the last
> > iteration contains a broken page, and if so, send the guest a vMCE on
> > resume.
> >
> > Thoughts?
> Yes, that's exactly V3 patch did.
Right -- but you did it by adding an extra couple of loops, which made 
us wonder if there was a more efficient way to do the same thing.  Now 
that we know *what* needs to be done, we're in a better position to 
think about other options.  Let me take a look...
 -George

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