Message ID | 20230920154608.1447057-2-apatel@ventanamicro.com |
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State | New |
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Wed, 20 Sep 2023 08:46:27 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([171.76.85.109]) by smtp.gmail.com with ESMTPSA id m7-20020a170902db0700b001c0de73564dsm11995153plx.205.2023.09.20.08.46.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Sep 2023 08:46:27 -0700 (PDT) From: Anup Patel <apatel@ventanamicro.com> To: Paolo Bonzini <pbonzini@redhat.com>, Atish Patra <atishp@atishpatra.org>, Shuah Khan <shuah@kernel.org> Cc: Palmer Dabbelt <palmer@dabbelt.com>, Paul Walmsley <paul.walmsley@sifive.com>, Andrew Jones <ajones@ventanamicro.com>, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Anup Patel <apatel@ventanamicro.com>, Atish Patra <atishp@rivosinc.com> Subject: [PATCH v2 1/4] RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers Date: Wed, 20 Sep 2023 21:16:05 +0530 Message-Id: <20230920154608.1447057-2-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920154608.1447057-1-apatel@ventanamicro.com> References: <20230920154608.1447057-1-apatel@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); 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Series |
KVM RISC-V fixes for ONE_REG interface
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Commit Message
Anup Patel
Sept. 20, 2023, 3:46 p.m. UTC
The ISA_EXT registers to enabled/disable ISA extensions for VCPU are always available when underlying host has the corresponding ISA extension. The copy_isa_ext_reg_indices() called by the KVM_GET_REG_LIST API does not align with this expectation so let's fix it. Fixes: 031f9efafc08 ("KVM: riscv: Add KVM_GET_REG_LIST API support") Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> --- arch/riscv/kvm/vcpu_onereg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 1b7e9fa265cb..e7e833ced91b 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -842,7 +842,7 @@ static int copy_isa_ext_reg_indices(const struct kvm_vcpu *vcpu, u64 reg = KVM_REG_RISCV | size | KVM_REG_RISCV_ISA_EXT | i; isa_ext = kvm_isa_ext_arr[i]; - if (!__riscv_isa_extension_available(vcpu->arch.isa, isa_ext)) + if (!__riscv_isa_extension_available(NULL, isa_ext)) continue; if (uindices) {