From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 532A2C10F14 for ; Sat, 12 Oct 2019 07:34:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 25C122067B for ; Sat, 12 Oct 2019 07:34:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VOUza8Xs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25C122067B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Rzhu01M5+WNM3IBvpivbOXQXAPaTGCQygKEHkJ1N+h4=; b=VOUza8Xsm4XLyw SUzSHCCprk/pFnV4UijHuj5bE/rzp9qZwUhki7VG0Ku2eg6VW071cUGrBYSm5t9AVDjxmC5ar9EJQ 1OG4L3fOGfEKMIVqwkRZC+TckK+yQ0AXiyW+130nhUQG0D2wv5LIrIwcWFRs6h4nRvVq5ooose//M n3bWMG14OnIUCmWJiJTT69LG9MVfgbBJ+zxKAPKqi3o4oDPjRcnR6k5k1GxqEO0inHKQdPQz0i3m5 3+RJssuiQY9Lp7dJu7oAWhre73kEERKx8TMLPX2t6NxlQ4DI+caKtHgpAUOOnWs0FOyFCb/K23mZ6 1zo7VozbIhaxNlul7n/A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJBum-0002Px-ML; Sat, 12 Oct 2019 07:34:12 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJBuj-0002P1-Lp for linux-arm-kernel@lists.infradead.org; Sat, 12 Oct 2019 07:34:11 +0000 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id AEF6B6C2B173B91EFB2B; Sat, 12 Oct 2019 15:33:54 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.439.0; Sat, 12 Oct 2019 15:33:42 +0800 Subject: Re: [PATCH 3/3] arm64: configs: unset CPU_BIG_ENDIAN To: Will Deacon , Arnd Bergmann References: <20190926193030.5843-1-anders.roxell@linaro.org> <20190926193030.5843-5-anders.roxell@linaro.org> <20191011102747.lpbaur2e4nqyf7sw@willie-the-truck> From: Hanjun Guo Message-ID: <73701e9f-bee1-7ae8-2277-7a3576171cd4@huawei.com> Date: Sat, 12 Oct 2019 15:33:37 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20191011102747.lpbaur2e4nqyf7sw@willie-the-truck> Content-Language: en-US X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191012_003409_880117_68022E37 X-CRM114-Status: UNSURE ( 9.18 ) X-CRM114-Notice: Please train this message. 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: Anders Roxell , Catalin Marinas , John Garry , Linux Kernel Mailing List , Olof Johansson , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2019/10/11 18:27, Will Deacon wrote: [...] > > Does anybody use BIG_ENDIAN? If we're not even building it then maybe we > should get rid of it altogether on arm64. I don't know of any supported > userspace that supports it or any CPUs that are unable to run little-endian > binaries. FWIW, massive telecommunication products (based on ARM64) form Huawei are using BIG_ENDIAN, and will use BIG_ENDIAN in the near future as well. Thanks Hanjun _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel