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[31.30.173.28]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eaf447777sm5016740f8f.100.2025.04.12.06.46.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Apr 2025 06:46:22 -0700 (PDT) Date: Sat, 12 Apr 2025 15:46:21 +0200 From: Andrew Jones To: Anup Patel Cc: Will Deacon , julien.thierry.kdev@gmail.com, maz@kernel.org, Paolo Bonzini , Atish Patra , Anup Patel , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Subject: Re: [kvmtool PATCH 04/10] riscv: Add Ziccrse extension support Message-ID: <20250412-85ac68d1bc912d739c511ccf@orel> References: <20250326065644.73765-1-apatel@ventanamicro.com> <20250326065644.73765-5-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: kvm@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: <20250326065644.73765-5-apatel@ventanamicro.com> On Wed, Mar 26, 2025 at 12:26:38PM +0530, Anup Patel wrote: > When the Ziccrse extension is available expose it to the guest > via device tree so that guest can use it. > > Signed-off-by: Anup Patel > --- > riscv/fdt.c | 1 + > riscv/include/kvm/kvm-config-arch.h | 3 +++ > 2 files changed, 4 insertions(+) > > diff --git a/riscv/fdt.c b/riscv/fdt.c > index ddd0b28..3ee20a9 100644 > --- a/riscv/fdt.c > +++ b/riscv/fdt.c > @@ -48,6 +48,7 @@ struct isa_ext_info isa_info_arr[] = { > {"zfhmin", KVM_RISCV_ISA_EXT_ZFHMIN}, > {"zicbom", KVM_RISCV_ISA_EXT_ZICBOM}, > {"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ}, > + {"ziccrse", KVM_RISCV_ISA_EXT_ZICCRSE}, > {"zicntr", KVM_RISCV_ISA_EXT_ZICNTR}, > {"zicond", KVM_RISCV_ISA_EXT_ZICOND}, > {"zicsr", KVM_RISCV_ISA_EXT_ZICSR}, > diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h > index d86158d..5badb74 100644 > --- a/riscv/include/kvm/kvm-config-arch.h > +++ b/riscv/include/kvm/kvm-config-arch.h > @@ -121,6 +121,9 @@ struct kvm_config_arch { > OPT_BOOLEAN('\0', "disable-zicboz", \ > &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOZ], \ > "Disable Zicboz Extension"), \ > + OPT_BOOLEAN('\0', "disable-ziccrse", \ > + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICCRSE], \ > + "Disable Ziccrse Extension"), \ > OPT_BOOLEAN('\0', "disable-zicntr", \ > &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICNTR], \ > "Disable Zicntr Extension"), \ > -- > 2.43.0 > Reviewed-by: Andrew Jones