From: Vitaly Kuznetsov Date: Wed, 12 Jan 2022 17:01:30 +0000 (+0100) Subject: KVM: nVMX: Also filter MSR_IA32_VMX_TRUE_PINBASED_CTLS when eVMCS X-Git-Tag: v6.6.17~8235^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f80ae0ef089a09e8c18da43a382c3caac9a424a7;p=platform%2Fkernel%2Flinux-rpi.git KVM: nVMX: Also filter MSR_IA32_VMX_TRUE_PINBASED_CTLS when eVMCS Similar to MSR_IA32_VMX_EXIT_CTLS/MSR_IA32_VMX_TRUE_EXIT_CTLS, MSR_IA32_VMX_ENTRY_CTLS/MSR_IA32_VMX_TRUE_ENTRY_CTLS pair, MSR_IA32_VMX_TRUE_PINBASED_CTLS needs to be filtered the same way MSR_IA32_VMX_PINBASED_CTLS is currently filtered as guests may solely rely on 'true' MSR data. Note, none of the currently existing Windows/Hyper-V versions are known to stumble upon the unfiltered MSR_IA32_VMX_TRUE_PINBASED_CTLS, the change is aimed at making the filtering future proof. Signed-off-by: Vitaly Kuznetsov Message-Id: <20220112170134.1904308-2-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c index ba6f99f..a7ed30d 100644 --- a/arch/x86/kvm/vmx/evmcs.c +++ b/arch/x86/kvm/vmx/evmcs.c @@ -362,6 +362,7 @@ void nested_evmcs_filter_control_msr(u32 msr_index, u64 *pdata) case MSR_IA32_VMX_PROCBASED_CTLS2: ctl_high &= ~EVMCS1_UNSUPPORTED_2NDEXEC; break; + case MSR_IA32_VMX_TRUE_PINBASED_CTLS: case MSR_IA32_VMX_PINBASED_CTLS: ctl_high &= ~EVMCS1_UNSUPPORTED_PINCTRL; break;