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[18/30] KVM: x86: hyper-v: Inverse the default in hv_check_msr_access()

Message ID 20210419160127.192712-19-vkuznets@redhat.com (mailing list archive)
State New
Headers show
Series KVM: x86: hyper-v: Fine-grained access check to Hyper-V hypercalls and MSRs | expand

Commit Message

Vitaly Kuznetsov April 19, 2021, 4:01 p.m. UTC
Access to all MSRs is now properly checked. To avoid 'forgetting' to
properly check access to new MSRs in the future change the default
to 'false' meaning 'no access'.

No functional change intended.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
 arch/x86/kvm/hyperv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index f54385ffcdc0..ec065177531b 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1265,7 +1265,7 @@  static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr)
-	return true;
+	return false;
 static int kvm_hv_set_msr_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data,