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Wed, 29 May 2024 15:16:56 -0700 (PDT) Received: from ghost ([2601:647:5700:6860:32f9:8d5b:110a:1952]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-6f8fd4d4ebcsm8503826b3a.187.2024.05.29.15.16.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 May 2024 15:16:56 -0700 (PDT) Date: Wed, 29 May 2024 15:16:53 -0700 From: Charlie Jenkins To: =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Anup Patel , Shuah Khan , Atish Patra , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v5 04/16] RISC-V: KVM: Allow Zimop extension for Guest/VM Message-ID: References: <20240517145302.971019-1-cleger@rivosinc.com> <20240517145302.971019-5-cleger@rivosinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240517145302.971019-5-cleger@rivosinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240529_151659_456731_5372D0F4 X-CRM114-Status: GOOD ( 16.45 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, May 17, 2024 at 04:52:44PM +0200, Cl=E9ment L=E9ger wrote: > Extend the KVM ISA extension ONE_REG interface to allow KVM user space > to detect and enable Zimop extension for Guest/VM. > = > Signed-off-by: Cl=E9ment L=E9ger > --- > arch/riscv/include/uapi/asm/kvm.h | 1 + > arch/riscv/kvm/vcpu_onereg.c | 2 ++ > 2 files changed, 3 insertions(+) > = > diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/= asm/kvm.h > index b1c503c2959c..35a12aa1953e 100644 > --- a/arch/riscv/include/uapi/asm/kvm.h > +++ b/arch/riscv/include/uapi/asm/kvm.h > @@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID { > KVM_RISCV_ISA_EXT_ZFA, > KVM_RISCV_ISA_EXT_ZTSO, > KVM_RISCV_ISA_EXT_ZACAS, KVM_RISCV_ISA_EXT_SSCOFPMF got added here in 6.10-rc1 so there is a conflict now unfortunately. Easy to fix at least! - Charlie > + KVM_RISCV_ISA_EXT_ZIMOP, > KVM_RISCV_ISA_EXT_MAX, > }; > = > diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c > index f4a6124d25c9..c6ee763422f2 100644 > --- a/arch/riscv/kvm/vcpu_onereg.c > +++ b/arch/riscv/kvm/vcpu_onereg.c > @@ -60,6 +60,7 @@ static const unsigned long kvm_isa_ext_arr[] =3D { > KVM_ISA_EXT_ARR(ZIHINTNTL), > KVM_ISA_EXT_ARR(ZIHINTPAUSE), > KVM_ISA_EXT_ARR(ZIHPM), > + KVM_ISA_EXT_ARR(ZIMOP), > KVM_ISA_EXT_ARR(ZKND), > KVM_ISA_EXT_ARR(ZKNE), > KVM_ISA_EXT_ARR(ZKNH), > @@ -137,6 +138,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsign= ed long ext) > case KVM_RISCV_ISA_EXT_ZIHINTNTL: > case KVM_RISCV_ISA_EXT_ZIHINTPAUSE: > case KVM_RISCV_ISA_EXT_ZIHPM: > + case KVM_RISCV_ISA_EXT_ZIMOP: > case KVM_RISCV_ISA_EXT_ZKND: > case KVM_RISCV_ISA_EXT_ZKNE: > case KVM_RISCV_ISA_EXT_ZKNH: > -- = > 2.43.0 > = > = > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv