From d170c4190630bcbeb5db266e79ad7a174902e5de Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Mon, 21 Feb 2011 11:21:30 +0800 Subject: [PATCH] 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 Acked-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 17af71da63ad..dae2d15c49eb 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -525,8 +525,10 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) 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); -- 2.20.1