KVM: MMU: Fix is_rmap_pte() with io ptes



is_rmap_pte() doesn't take into account io ptes, which have the avail bit set.

Signed-off-by: Avi Kivity <avi@qumranet.com>

parent 5dc83262

arch/x86/kvm/mmu.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -222,8 +222,7 @@ static int is_io_pte(unsigned long pte)

		static int is_rmap_pte(u64 pte)
		{
		return pte != shadow_trap_nonpresent_pte
		&& pte != shadow_notrap_nonpresent_pte;
		return is_shadow_present_pte(pte);
		}

		static gfn_t pse36_gfn_delta(u32 gpte)