Messages in this thread | | | Date | Tue, 27 Aug 2019 20:52:37 +0200 | From | Radim Krčmář <> | Subject | Re: [PATCH 1/3] KVM: x86: hyper-v: don't crash on KVM_GET_SUPPORTED_HV_CPUID when kvm_intel.nested is disabled |
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2019-08-27 18:04+0200, Vitaly Kuznetsov: > If kvm_intel is loaded with nested=0 parameter an attempt to perform > KVM_GET_SUPPORTED_HV_CPUID results in OOPS as nested_get_evmcs_version hook > in kvm_x86_ops is NULL (we assign it in nested_vmx_hardware_setup() and > this only happens in case nested is enabled). > > Check that kvm_x86_ops->nested_get_evmcs_version is not NULL before > calling it. With this, we can remove the stub from svm as it is no > longer needed. >
Added
Cc: <stable@vger.kernel.org>
> Fixes: e2e871ab2f02 ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper") > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
and applied, thanks.
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