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[89.77.68.124]) by smtp.gmail.com with ESMTPSA id f19sm183205lfv.100.2021.12.25.02.11.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 25 Dec 2021 02:11:16 -0800 (PST) Message-ID: Date: Sat, 25 Dec 2021 11:11:15 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Subject: Re: [PATCH v1 1/2] RISC-V: Provide a framework for parsing multi-letter ISA extensions Content-Language: en-US To: Atish Patra , linux-kernel@vger.kernel.org Cc: Atish Patra , Albert Ou , Anup Patel , Damien Le Moal , devicetree@vger.kernel.org, Jisheng Zhang , linux-riscv@lists.infradead.org, Palmer Dabbelt , Paul Walmsley , Rob Herring References: <20211224211632.1698523-1-atishp@rivosinc.com> <20211224211632.1698523-2-atishp@rivosinc.com> From: Krzysztof Kozlowski In-Reply-To: <20211224211632.1698523-2-atishp@rivosinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211225_021128_194061_A32CA873 X-CRM114-Status: GOOD ( 11.36 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 24/12/2021 22:16, Atish Patra wrote: > Recently, there were 15 specifications/40 ISA extensions were ratified. > Except hypervisor ('H') extension, all of them are multi-letter extensions. > Going forward, there will be more number of multi-letter extensions as > well. Parsing all of these extensions from ISA string is not scalable. > Thus, this patch provides a DT based framework to for easy parsing and > querying of any ISA extensions. It facilitates custom user visible strings > for the ISA extensions via /proc/cpuinfo as well. > > Currently, there are no platforms with heterogeneous Linux capable harts. > That's why, this patch supports only a single DT node which can only work > for systems with homogeneous harts. To support heterogeneous systems, this > cpu node must be a subnode for each cpu. > > Signed-off-by: Atish Patra Your from address does not match SoB. Please use consistent one - they must match. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv