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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id n23sm3388570pgl.49.2021.04.22.20.30.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Apr 2021 20:30:45 -0700 (PDT) Date: Thu, 22 Apr 2021 20:30:45 -0700 (PDT) X-Google-Original-Date: Thu, 22 Apr 2021 20:23:16 PDT (-0700) Subject: Re: [PATCH v3 1/5] RISC-V: Add EM_RISCV to kexec UAPI header In-Reply-To: <20210405085712.1953848-2-mick@ics.forth.gr> CC: linux-riscv@lists.infradead.org, Paul Walmsley , linux-kernel@vger.kernel.org, mick@ics.forth.gr From: Palmer Dabbelt To: mick@ics.forth.gr, ebiederm@xmission.com, kexec@lists.infradead.org Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 05 Apr 2021 01:57:08 PDT (-0700), mick@ics.forth.gr wrote: > Add RISC-V to the list of supported kexec architecturs, we need to > add the definition early-on so that later patches can use it. > > EM_RISCV is 243 as per ELF psABI specification here: > https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md > > Signed-off-by: Nick Kossifidis > --- > include/uapi/linux/kexec.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h > index 05669c87a..778dc191c 100644 > --- a/include/uapi/linux/kexec.h > +++ b/include/uapi/linux/kexec.h > @@ -42,6 +42,7 @@ > #define KEXEC_ARCH_MIPS_LE (10 << 16) > #define KEXEC_ARCH_MIPS ( 8 << 16) > #define KEXEC_ARCH_AARCH64 (183 << 16) > +#define KEXEC_ARCH_RISCV (243 << 16) > > /* The artificial cap on the number of segments passed to kexec_load. */ > #define KEXEC_SEGMENT_MAX 16 This is missing the kexec maintainers, who I've added. I'm happy to just take this along with the rest of the patch set, as that's probably easiest. I usually like to get an Ack on this sort of thing, but I'm just going to speculate that this isn't controversial and put this on riscv/for-next. LMK if you want me to do something more complicated like a shared tag, but I see the arm64 stuff went in via the arm64 tree so I'm assuming this is fine. Thanks!