Re: [PATCH] KVM: MMU: avoid fast page fault fixing mmio page fault

[Xiao Guangrong]

On 07/18/2013 12:52 PM, Xiao Guangrong wrote:
> Currently, fast page fault tries to fix mmio page fault when the
> generation number is invalid (spte.gen != kvm.gen) and returns to
> guest to retry the fault since it sees the last spte is nonpresent
> which causes infinity loop
> 
> It can be triggered only on AMD host since the mmio page fault is
> recognized as ept-misconfig

Sorry, It should be "recognized as ept-misconfig on Intel host."

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/