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[2001:1ae9:1c2:4c00:20f:c6b4:1e57:7965]) by smtp.gmail.com with ESMTPSA id fd25-20020a056402389900b00567bada100asm123067edb.71.2024.03.05.05.50.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Mar 2024 05:50:24 -0800 (PST) Date: Tue, 5 Mar 2024 14:50:23 +0100 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 07/10] riscv: Add Zihintntl extension support Message-ID: <20240305-c8ae803906b11fea9bc35461@orel> References: <20240214122141.305126-1-apatel@ventanamicro.com> <20240214122141.305126-8-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: <20240214122141.305126-8-apatel@ventanamicro.com> On Wed, Feb 14, 2024 at 05:51:38PM +0530, Anup Patel wrote: > When the Zihintntl 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 7687624..80e045d 100644 > --- a/riscv/fdt.c > +++ b/riscv/fdt.c > @@ -37,6 +37,7 @@ struct isa_ext_info isa_info_arr[] = { > {"zicond", KVM_RISCV_ISA_EXT_ZICOND}, > {"zicsr", KVM_RISCV_ISA_EXT_ZICSR}, > {"zifencei", KVM_RISCV_ISA_EXT_ZIFENCEI}, > + {"zihintntl", KVM_RISCV_ISA_EXT_ZIHINTNTL}, > {"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE}, > {"zihpm", KVM_RISCV_ISA_EXT_ZIHPM}, > {"zknd", KVM_RISCV_ISA_EXT_ZKND}, > diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h > index f1ac56b..2935c01 100644 > --- a/riscv/include/kvm/kvm-config-arch.h > +++ b/riscv/include/kvm/kvm-config-arch.h > @@ -88,6 +88,9 @@ struct kvm_config_arch { > OPT_BOOLEAN('\0', "disable-zifencei", \ > &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIFENCEI], \ > "Disable Zifencei Extension"), \ > + OPT_BOOLEAN('\0', "disable-zihintntl", \ > + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTNTL], \ > + "Disable Zihintntl Extension"), \ > OPT_BOOLEAN('\0', "disable-zihintpause", \ > &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTPAUSE],\ > "Disable Zihintpause Extension"), \ > -- > 2.34.1 > Reviewed-by: Andrew Jones