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authorPaolo Bonzini <pbonzini@redhat.com>2020-07-10 18:48:07 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2020-07-11 00:01:29 +0300
commit32de2b5ee378ae590c90135e4d7f5c9149a04990 (patch)
tree34002c8c515ff5d095d122dcc2ec5a2021ad4ac0 /arch/x86/kvm/cpuid.c
parent6986982fef86ae71a27d6309739a0c38b562a5c0 (diff)
downloadlinux-32de2b5ee378ae590c90135e4d7f5c9149a04990.tar.xz
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>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
-rw-r--r--arch/x86/kvm/cpuid.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index edbed4f522f2..7d92854082a1 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -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)