Avi Kivity wrote:
> Wierd. For what gfn/pfns does this trigger?
>
It is ZERO_PAGE which also has Reserved bit, not mmio page.
The pte is set write-protected, I still don't know why it cause the system
hangup.
set_spte() {
if (tdp_enabled)
spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn,
kvm_is_mmio_pfn(pfn));
/* guest can write to the page because of this statement? */
}
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