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KVM: x86: update exception bitmap on CPUID changes 

Allow vendor code to observe changes to MAXPHYADDR and start/stop
intercepting page faults.

Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-07-10 17:48:07 +02:00
parent 6986982fef
commit 32de2b5ee3
1 changed files with 1 additions and 0 deletions
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1
arch/x86/kvm/cpuid.c
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@ -148,6 +148,7 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_pmu_refresh(vcpu);
vcpu->arch.cr4_guest_rsvd_bits =
__cr4_reserved_bits(guest_cpuid_has, vcpu);
kvm_x86_ops.update_exception_bitmap(vcpu);
}
static int is_efer_nx(void)