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

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Liu, Jinsong writes ("RE: [Xen-devel] [PATCH V3] X86/vMCE: handle broken page 
with regard to migration"):
> Ian Jackson wrote:
> > Liu, Jinsong writes ("RE: [Xen-devel] [PATCH V3] X86/vMCE: handle
> > broken page with regard to migration"): 
> >> No, at last lter, there are 4 points:
> >> 1. start last iter
> >> 2. get and transfer pfn_type to target
> >> 3. copy page to target
> >> 4. end last iter
...
> It indeed checks mce after point 3 for each page, but what's the
> advantage of keeping a separate list?

It avoids yet another loop over all the pages.  Unless I have
misunderstood.  Which I may have, because: if it checks for mce after
point 3 then surely that is sufficient ?  We don't need to worry about
mces after that check.

Ian.

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