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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=dF4wNWErsCaTFjbAYZ5rOT8K7SSx1h9isfYodFGRVTA=; b=VPe6RDiyVjBqxkj13jx5jPMXwqv910w8cMof9QvKDIlZZRwMhnp7PmVXsn6N9WfB24 81bO4Y1IL9lgpGkVwz5Fk8/+Qv72RWYdH5rYRq/iI5YjRhmziWBGjJw2hSdX2fkCAWD1 NAYcj33+qg30lM6RRRN1eaA0D8gJsYqMU+BkNgojyV1L1LjIlvEFne0VXUHjLzvQDoqI BKuwVhjVCjIx7zIJASt9AsvRNQ6AsBlMsmsQ0DZJ7YboxJZE984Oj/7gNh26EzxFFZgx +GfxEwWHT0oSpZyF9qIjRIQC/ljTkr+Lm1UwKwc+YfXYVR/fI0rHQTOfD9u4FKeYewVo toFQ== X-Gm-Message-State: AOAM533uOOABXjA1d9C6qKU+al9DE5AW5D1pv0N73Sl3UR3GdfyOtsPf UudhfhyZyNvDit6TO0lTEKIuruLjAhP3FUi2g2wCPA== X-Google-Smtp-Source: ABdhPJxOBkdmt2COhStQnhUQZimbjSVPpiS2aYJmX1CwrQED3PuwvBG3ZtHBosfjOBL3311Aa1HKRQ/72xCb/hztrcs= X-Received: by 2002:a17:90a:6b04:: with SMTP id v4mr867608pjj.101.1605039095998; Tue, 10 Nov 2020 12:11:35 -0800 (PST) MIME-Version: 1.0 References: <20200409232728.231527-1-caij2003@gmail.com> <20201107001056.225807-1-jiancai@google.com> In-Reply-To: From: Nick Desaulniers Date: Tue, 10 Nov 2020 12:11:24 -0800 Message-ID: Subject: Re: [PATCH v2] Make iwmmxt.S support Clang's integrated assembler To: Jian Cai X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_151140_346661_541AB4F9 X-CRM114-Status: GOOD ( 13.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Russell King , Linux Kernel Mailing List , clang-built-linux , Manoj Gupta , Luis Lozano , Nathan Chancellor , Ard Biesheuvel , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Nov 10, 2020 at 12:10 PM Jian Cai wrote: > > I tried to verify with ixp4xx_defconfig, and I noticed it also used CONFIG_CPU_BIG_ENDIAN=y to enable big endianness as follows, > > linux$ grep ENDIAN arch/arm/configs/ixp4xx_defconfig > CONFIG_CPU_BIG_ENDIAN=y > > Also it appeared arch/arm/kernel/iwmmxt.o was not built with ixp4xx_defconfig. The commands I used > > linux$ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make CC=clang ixp4xx_defconfig > linux$ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make -j32 CC=clang > linux$ ls arch/arm/kernel/iwmmxt.o > ls: cannot access 'arch/arm/kernel/iwmmxt.o': No such file or directory > > Did I miss any steps? Yes, you need to manually enable CONFIG_IWMMXT in menuconfig or via `scripts/configs -e`. -- Thanks, ~Nick Desaulniers _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel