Marcelo Tosatti wrote:
*shadow_pte can point to a different page if the guest updates pagetable, there is a fault before resync, the fault updates the spte with new gfn (and pfn) via mmu_set_spte. In which case the gfn cache is updated since:} else if (pfn != spte_to_pfn(*shadow_pte)) { printk("hfn old %lx new %lx\n", spte_to_pfn(*shadow_pte), pfn); rmap_remove(vcpu->kvm, shadow_pte);
Okay. Please resend but without the reversal of can_unsync, it will make a more readable patch. If you like, send a follow on that only does the reversal.
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