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2024-12-19KVM: selftests: Use canonical $(ARCH) paths for KVM selftests directoriesSean Christopherson1-131/+0
Use the kernel's canonical $(ARCH) paths instead of the raw target triple for KVM selftests directories. KVM selftests are quite nearly the only place in the entire kernel that using the target triple for directories, tools/testing/selftests/drivers/s390x being the lone holdout. Using the kernel's preferred nomenclature eliminates the minor, but annoying, friction of having to translate to KVM's selftests directories, e.g. for pattern matching, opening files, running selftests, etc. Opportunsitically delete file comments that reference the full path of the file, as they are obviously prone to becoming stale, and serve no known purpose. Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Acked-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20241128005547.4077116-16-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2022-12-01KVM: selftests: Verify userspace can stuff IA32_FEATURE_CONTROL at willSean Christopherson1-0/+47
Verify the KVM allows userspace to set all supported bits in the IA32_FEATURE_CONTROL MSR irrespective of the current guest CPUID, and that all unsupported bits are rejected. Throw the testcase into vmx_msrs_test even though it's not technically a VMX MSR; it's close enough, and the most frequently feature controlled by the MSR is VMX. Signed-off-by: Sean Christopherson <seanjc@google.com> Link: https://lore.kernel.org/r/20220607232353.3375324-4-seanjc@google.com
2022-07-28KVM: selftests: Verify VMX MSRs can be restored to KVM-supported valuesSean Christopherson1-0/+84
Verify that KVM allows toggling VMX MSR bits to be "more" restrictive, and also allows restoring each MSR to KVM's original, less restrictive value. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20220607213604.3346000-16-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>