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Shutemov" , Naresh Kamboju , Anders Roxell , Benjamin Copeland Subject: Re: [PATCH v13 25/35] KVM: selftests: Convert lib's mem regions to KVM_SET_USER_MEMORY_REGION2 Message-ID: <69ae0694-8ca3-402c-b864-99b500b24f5d@moroto.mountain> References: <20231027182217.3615211-1-seanjc@google.com> <20231027182217.3615211-26-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231027182217.3615211-26-seanjc@google.com> On Fri, Oct 27, 2023 at 11:22:07AM -0700, Sean Christopherson wrote: > Use KVM_SET_USER_MEMORY_REGION2 throughout KVM's selftests library so that > support for guest private memory can be added without needing an entirely > separate set of helpers. > > Note, this obviously makes selftests backwards-incompatible with older KVM ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > versions from this point forward. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Is there a way we could disable the tests on older kernels instead of making them fail? Check uname or something? There is probably a standard way to do this... It's these tests which fail. kvm_aarch32_id_regs kvm_access_tracking_perf_test kvm_arch_timer kvm_debug-exceptions kvm_demand_paging_test kvm_dirty_log_perf_test kvm_dirty_log_test kvm_guest_print_test kvm_hypercalls kvm_kvm_page_table_test kvm_memslot_modification_stress_test kvm_memslot_perf_test kvm_page_fault_test kvm_psci_test kvm_rseq_test kvm_smccc_filter kvm_steal_time kvm_vgic_init kvm_vgic_irq kvm_vpmu_counter_access regards, dan carpenter