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

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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.

(posting from gmane so cc: list lost)

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