Commit d170c419 authored Feb 21, 2011 by Lai Jiangshan Committed by Marcelo Tosatti Mar 17, 2011

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>

parent 93ea5388

arch/x86/kvm/x86.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);

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