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[2001:1ae9:1c2:4c00:20f:c6b4:1e57:7965]) by smtp.gmail.com with ESMTPSA id n27-20020a056402515b00b00502689a06b2sm1537895edd.91.2023.06.09.02.24.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jun 2023 02:24:39 -0700 (PDT) Date: Fri, 9 Jun 2023 11:24:38 +0200 From: Andrew Jones To: Haibo Xu Cc: xiaobo55x@gmail.com, maz@kernel.org, oliver.upton@linux.dev, seanjc@google.com, Paolo Bonzini , Jonathan Corbet , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan , James Morse , Suzuki K Poulose , Zenghui Yu , David Matlack , Ben Gardon , Vipin Sharma , Colton Lewis , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v3 09/10] KVM: riscv: selftests: Skip some registers set operation Message-ID: <20230609-05521f954b0485c69612f00b@orel> References: <73045958d9ab71d5266d012f1e13061afa8c5331.1686275310.git.haibo1.xu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <73045958d9ab71d5266d012f1e13061afa8c5331.1686275310.git.haibo1.xu@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 09, 2023 at 10:12:17AM +0800, Haibo Xu wrote: > Set operation on some riscv registers(mostly pesudo ones) was not > supported and should be skipped in the get-reg-list test. Just > reuse the rejects_set utilities to handle it in riscv. > > Signed-off-by: Haibo Xu > Reviewed-by: Andrew Jones > --- > tools/testing/selftests/kvm/get-reg-list.c | 20 +++++++++++++------- > 1 file changed, 13 insertions(+), 7 deletions(-) > > diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c > index c4bd5a5259da..abacb95c21c6 100644 > --- a/tools/testing/selftests/kvm/get-reg-list.c > +++ b/tools/testing/selftests/kvm/get-reg-list.c > @@ -211,16 +211,22 @@ static void run_test(struct vcpu_reg_list *c) > ++failed_get; > } > > - /* rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE */ > + /* > + * rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE on aarch64, > + * or registers that should skip set operation on riscv. > + */ > for_each_sublist(c, s) { > if (s->rejects_set && find_reg(s->rejects_set, s->rejects_set_n, reg.id)) { > reject_reg = true; > - ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, ®); > - if (ret != -1 || errno != EPERM) { > - printf("%s: Failed to reject (ret=%d, errno=%d) ", config_name(c), ret, errno); > - print_reg(config_name(c), reg.id); > - putchar('\n'); > - ++failed_reject; > + if ((reg.id & KVM_REG_ARCH_MASK) == KVM_REG_ARM64) { > + ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, ®); > + if (ret != -1 || errno != EPERM) { > + printf("%s: Failed to reject (ret=%d, errno=%d) ", > + config_name(c), ret, errno); > + print_reg(config_name(c), reg.id); > + putchar('\n'); > + ++failed_reject; > + } Thinking about this some more, shouldn't we attempt the set ioctl for riscv reject registers as well, but look for different error numbers? Thanks, drew