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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: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-03-23 12:18:19 +02:00
parent 5dc8326282
commit 4b1a80fa65
1 changed files with 1 additions and 2 deletions
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3
arch/x86/kvm/mmu.c
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@ -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)