KVM: Clear async page fault hash after switching to real mode
The hash array of async gfns may still contain some left gfns after
kvm_clear_async_pf_completion_queue() called, need to clear them.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 17af71d..dae2d15 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -525,8 +525,10 @@
kvm_x86_ops->set_cr0(vcpu, cr0);
- if ((cr0 ^ old_cr0) & X86_CR0_PG)
+ if ((cr0 ^ old_cr0) & X86_CR0_PG) {
kvm_clear_async_pf_completion_queue(vcpu);
+ kvm_async_pf_hash_reset(vcpu);
+ }
if ((cr0 ^ old_cr0) & update_bits)
kvm_mmu_reset_context(vcpu);