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Feedback-ID: i56a14606:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id AEBE7B603ED; Thu, 3 Nov 2022 04:48:35 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1087-g968661d8e1-fm-20221021.001-g968661d8 Mime-Version: 1.0 Message-Id: <636d8f8d-eb21-4579-aa9f-6e7ea71f0dfe@app.fastmail.com> In-Reply-To: References: <20220921065605.1051927-1-rmclure@linux.ibm.com> <20220921065605.1051927-10-rmclure@linux.ibm.com> <871qqoyvni.fsf_-_@igel.home> Date: Thu, 03 Nov 2022 09:48:17 +0100 From: "Arnd Bergmann" To: "Christophe Leroy" , "Andreas Schwab" , "Rohan McLure" Subject: Re: [PATCH] asm-generic: compat: fix compat_arg_u64 and compat_arg_u64_dual Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linuxppc-dev@lists.ozlabs.org" , Nicholas Piggin , Arnd Bergmann Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, Nov 3, 2022, at 09:20, Christophe Leroy wrote: >> >> #ifndef compat_arg_u64 >> -#ifdef CONFIG_CPU_BIG_ENDIAN >> +#ifndef CONFIG_CPU_BIG_ENDIAN > > Could be CONFIG_CPU_LITTLE_ENDIAN then ? I don't think that symbol exists on all architectures, unlike CONFIG_CPU_BIG_ENDIAN. Checkig "#ifdef __LITTLE_ENDIAN" would work, that is the traditional way though it is a bit confusing because it is used differently in userland, which requires writing "#if __BYTE_ORDER == __LITTLE_ENDIAN". Arnd