[v2,10/21] KVM: selftests: Assert that full-width PMC writes are supported if PDCM=1

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Date: Fri, 10 Feb 2023 00:31:37 +0000
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Subject: [PATCH v2 10/21] KVM: selftests: Assert that full-width PMC writes
 are supported if PDCM=1
From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
        Paolo Bonzini <pbonzini@redhat.com>
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        Xiaoyao Li <xiaoyao.li@intel.com>,
        Like Xu <like.xu.linux@gmail.com>
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Message ID	20230210003148.2646712-11-seanjc@google.com
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Headers	Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Reply-To: Sean Christopherson <seanjc@google.com> Date: Fri, 10 Feb 2023 00:31:37 +0000 In-Reply-To: <20230210003148.2646712-1-seanjc@google.com> Mime-Version: 1.0 References: <20230210003148.2646712-1-seanjc@google.com> Message-ID: <20230210003148.2646712-11-seanjc@google.com> Subject: [PATCH v2 10/21] KVM: selftests: Assert that full-width PMC writes are supported if PDCM=1 From: Sean Christopherson <seanjc@google.com> To: Sean Christopherson <seanjc@google.com>, Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaoyao Li <xiaoyao.li@intel.com>, Like Xu <like.xu.linux@gmail.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk
Series	KVM: x86: Disallow writes to feature MSRs post-KVM_RUN \| [v2,00/21] KVM: x86: Disallow writes to feature MSRs post-KVM_RUN [v2,01/21] KVM: x86: Rename kvm_init_msr_list() to clarify it inits multiple lists [v2,02/21] KVM: x86: Add a helper to query whether or not a vCPU has ever run [v2,03/21] KVM: x86: Add macros to track first...last VMX feature MSRs [v2,04/21] KVM: x86: Generate set of VMX feature MSRs using first/last definitions [v2,05/21] KVM: x86: Disallow writes to immutable feature MSRs after KVM_RUN [v2,06/21] KVM: x86/pmu: WARN and bug the VM if PMU is refreshed after vCPU has run [v2,07/21] KVM: x86/pmu: Zero out LBR capabilities during PMU refresh [v2,08/21] KVM: selftests: Split PMU caps sub-tests to avoid writing MSR after KVM_RUN [v2,09/21] KVM: selftests: Move 0/initial value PERF_CAPS checks to dedicated sub-test [v2,10/21] KVM: selftests: Assert that full-width PMC writes are supported if PDCM=1 [v2,11/21] KVM: selftests: Print out failing MSR and value in vcpu_set_msr() [v2,12/21] KVM: selftests: Verify KVM preserves userspace writes to "durable" MSRs [v2,13/21] KVM: selftests: Drop now-redundant checks on PERF_CAPABILITIES writes [v2,14/21] KVM: selftests: Test all fungible features in PERF_CAPABILITIES [v2,15/21] KVM: selftests: Test all immutable non-format bits in PERF_CAPABILITIES [v2,16/21] KVM: selftests: Expand negative testing of guest writes to PERF_CAPABILITIES [v2,17/21] KVM: selftests: Test post-KVM_RUN writes to PERF_CAPABILITIES [v2,18/21] KVM: selftests: Drop "all done!" printf() from PERF_CAPABILITIES test [v2,19/21] KVM: selftests: Refactor LBR_FMT test to avoid use of separate macro [v2,20/21] KVM: selftests: Add negative testcase for PEBS format in PERF_CAPABILITIES [v2,21/21] KVM: selftests: Verify LBRs are disabled if vPMU is disabled

[v2,10/21] KVM: selftests: Assert that full-width PMC writes are supported if PDCM=1

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Patch