KVM: Protect update_cr8_intercept() when running without an apic



update_cr8_intercept() can be triggered from userspace while there
is no apic present.

Signed-off-by: Avi Kivity <avi@redhat.com>

parent 95eb84a7

arch/x86/kvm/x86.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -3500,6 +3500,9 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu)
		if (!kvm_x86_ops->update_cr8_intercept)
		return;

		if (!vcpu->arch.apic)
		return;

		if (!vcpu->arch.apic->vapic_addr)
		max_irr = kvm_lapic_find_highest_irr(vcpu);
		else