Messages in this thread | | | Date | Thu, 26 May 2022 12:39:51 +0200 | Subject | Re: [PATCH 2/2] KVM: VMX: Add knob to allow rejecting kvm_intel on inconsistent VMCS config | From | Paolo Bonzini <> |
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On 5/25/22 23:04, Sean Christopherson wrote: > Add an off-by-default module param, reject_inconsistent_vmcs_config, to > allow rejecting the load of kvm_intel if an inconsistent VMCS config is > detected. Continuing on with an inconsistent, degraded config is > undesirable when the CPU is expected to support a given set of features, > e.g. can result in a misconfigured VM if userspace doesn't cross-check > KVM_GET_SUPPORTED_CPUID, and/or can result in poor performance due to > lack of fast MSR switching. > > Signed-off-by: Sean Christopherson<seanjc@google.com> > --- > arch/x86/kvm/vmx/vmx.c | 20 +++++++++++++++++--- > 1 file changed, 17 insertions(+), 3 deletions(-)
Yeah let's do this by default.
Paolo
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