Re: [PATCHv2 6/6] KVM: VMX: handle IO when emulation is due to #GP in real mode.

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On Sat, Dec 22, 2012 at 11:06:39AM +0000, Avi Kivity wrote:
> Alex Williamson <alex.williamson <at> redhat.com> writes:
> 
> > Thanks for finding the right fix Gleb.  This originally came about from
> > an experiment in lazily mapping assigned device MMIO BARs.  That's
> > something I think might still have value for conserving memory slots,
> > but now I have to be aware of this bug.  That makes me wonder if we need
> > to expose a capability for the fix.  I could also just avoid the lazy
> > path if a device includes a ROM, but it's still difficult to know how
> > long such a workaround is required.  Thanks,
> 
> Just backport the fix to all stable kernels and you're done.
> 
Sounds like a plan.

> (posting from gmane so cc: list lost)
> 
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			Gleb.
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