Commit 4b1a80fa authored by Avi Kivity's avatar Avi Kivity
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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: default avatarAvi Kivity <avi@qumranet.com>
parent 5dc83262

arch/x86/kvm/mmu.c

+1 −2
Original line number Original line Diff line number Diff line
@@ -222,8 +222,7 @@ static int is_io_pte(unsigned long pte) 




static int is_rmap_pte(u64 pte)

static int is_rmap_pte(u64 pte)

{

{

	return pte != shadow_trap_nonpresent_pte

	return is_shadow_present_pte(pte);

		&& pte != shadow_notrap_nonpresent_pte;

}

}





static gfn_t pse36_gfn_delta(u32 gpte)

static gfn_t pse36_gfn_delta(u32 gpte)