Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp312595pxb; Wed, 15 Sep 2021 02:39:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxEsoLPcq6ktcL+lW7v/k1b/8rz8JditkfnbFkkN27gHBFrgMvxRZ0MvDh4YXmTOEdaD9hn X-Received: by 2002:a05:6e02:156c:: with SMTP id k12mr342800ilu.61.1631698754344; Wed, 15 Sep 2021 02:39:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631698754; cv=none; d=google.com; s=arc-20160816; b=a9cR1A7bB8jTx8bTrqmwo01CzRebxSdaR488QbqUQfIll6AGJp3qSWXfbKzT66rG5b hXJS9gBtwcOvGjQ9/EgTSjZCCM5RSid6Sg6Lv4VZF4z96HvKlCUOtujvx8buoz5iceSO m082N6d1CYznrZebfAFfxJ+k0c5+rF/OAcKXRyF4hU1xxlZRwMyuhOxG0fKFR3QPktkD jurLqtX22a4fjqsBn9vJ/gDwjN0P+WH2B6LXcraINAJxg1F4Qy70sI+O7Q57cFgR9msC Upt9T6CKNvJFI36JQ9zVDQYfprLcVZ7oh53vuS3BeH/e8/Z2wE9aZDuPttPxAZP/v4La 3cgw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=+FDqgMqq+PQGFt+NLwlEsdD8fKmqST1Mmq4JARgKWYk=; b=V8pvMQpAazdDiHZkiqW4PU/FhLQIdeArFdbI4g7VW/PURhjV+G5oNofzzbUGBVqP4p NlydQFwHp9zEbgLBUPd3DO6VpIXOl+R8esyIb58Y1cwBPrI8Xc3CgLBRctqnFcm4FZnX XMPSfi6K6CveGzzutDqS8Eo71Ib3OpJTwMiKm4XMNQn9TlIz8OYJ6hzVZ1YOkk+iPkNn QTGWIRK9JOXBQ3YDPs0BBNlQtrn55jy8v7st74Bty1UCZzLXqUvw7blVwnaB8bweB/PC zW1yVtWhzcU8v9JbLVzgd7GmhzzQjmDlr576BW62Xk+LtMOvnyNvj+nmUQKu0Dag5fOk MC5A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c14si11876147ild.77.2021.09.15.02.39.02; Wed, 15 Sep 2021 02:39:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232073AbhIOJgu (ORCPT + 99 others); Wed, 15 Sep 2021 05:36:50 -0400 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:51620 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbhIOJgu (ORCPT ); Wed, 15 Sep 2021 05:36:50 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=ashimida@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UoTTP2m_1631698528; Received: from ashimida.local(mailfrom:ashimida@linux.alibaba.com fp:SMTPD_---0UoTTP2m_1631698528) by smtp.aliyun-inc.com(127.0.0.1); Wed, 15 Sep 2021 17:35:30 +0800 Subject: Re: [PATCH] [RFC]arm64:Mark __stack_chk_guard as __ro_after_init To: Mark Rutland Cc: catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Laura Abbott References: <1631612642-102881-1-git-send-email-ashimida@linux.alibaba.com> <20210914101709.GA29127@C02TD0UTHF1T.local> <20210915091943.GA47689@C02TD0UTHF1T.local> From: Dan Li Message-ID: <39a5c050-986a-62a6-5279-29081882a6f2@linux.alibaba.com> Date: Wed, 15 Sep 2021 17:35:28 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: <20210915091943.GA47689@C02TD0UTHF1T.local> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fine, I got it, thanks for reply. On 9/15/21 5:19 PM, Mark Rutland wrote: > On Wed, Sep 15, 2021 at 09:57:14AM +0800, ashimida wrote: >> Hi King, Rutland: >> >> Thanks for the reply and let me understand the reason here. >> >> Then may I first submit a patch to modify the attributes of >> __stack_chk_guard of the arm/aarch64 platform? > > This patch looks fine as-is (hence the Acked-by). Doing the same for > arch/arm makes sense, but that should be a separate patch. > > I was suggesting that in future we should probably do the same in more > places, not that you need to do so now. > > Thanks, > Mark. >