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Wed, 03 Jun 2026 01:02:54 -0700 (PDT) Date: Wed, 3 Jun 2026 16:02:35 +0800 From: Inochi Amaoto To: Anup Patel , Inochi Amaoto Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Atish Patra , Paolo Bonzini , Shuah Khan , Deepak Gupta , Thomas Huth , Charlie Jenkins , Sergey Matyukevich , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, Yixun Lan , Longbin Li , Quan Zhou Subject: Re: [PATCH v2 4/7] RISC-V: KVM: Allow Zicfiss/Zicfilp extensions for Guest/VM Message-ID: References: <20260601084336.2601675-1-inochiama@gmail.com> <20260601084336.2601675-5-inochiama@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Jun 03, 2026 at 01:16:14PM +0530, Anup Patel wrote: > On Mon, Jun 1, 2026 at 4:46 PM Inochi Amaoto wrote: > > > > On Mon, Jun 01, 2026 at 04:43:32PM +0800, Inochi Amaoto wrote: > > > Extend the KVM ISA extension array to allow KVM userspace to > > > detect and enable Zicfiss/Zicfilp extensions for Guest/VM. > > > > > > Assisted-by: YuanSheng:claude-4.7-opus > > > Co-developed-by: Quan Zhou > > > Signed-off-by: Quan Zhou > > > Signed-off-by: Inochi Amaoto > > > --- > > > arch/riscv/include/uapi/asm/kvm.h | 2 ++ > > > arch/riscv/kvm/isa.c | 2 ++ > > > 2 files changed, 4 insertions(+) > > > > > > > I have forgot to add CSR_SSP to the context, will add in the next > > version. But I have a small question for it: could I reuse the > > generic subtype or use a new CSR subtype? > > > > Add another CSR subtype for Zicfiss. > > Regards, > Anup Thanks, I will do it. Regards, Inochi