Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp564217pxb; Thu, 23 Sep 2021 06:18:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwq/DIqDIeUtj/7nXHjobkdh+9bKWab0nbFSAiVdwnPrb4lI7w8LCnGo6KwOlS8/lkBaOaK X-Received: by 2002:a50:d984:: with SMTP id w4mr5276910edj.375.1632403095570; Thu, 23 Sep 2021 06:18:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1632403095; cv=none; d=google.com; s=arc-20160816; b=SR+wvJn1o6mm4Mf1R0Ftb3goReo9lNZoTB/oUn88WcG3z35CNdkAdYP+AgeK6R6pLj witHwv+LstJnE3x+bJsDv5K8Ltotg2K+ZCaA8Br+7ih92C9kVbu33MnQMr2Jb+zp2DmN ZfcPxJWxuKLQv1XDsukOPAYzLw0ttQl998XaosxoVc0GduuK2F8MPwRVD+IIGNI4KYnn w0+h4Y9X8CG7xFcrj1RjNIACFdkBy/ADOxdvVZ7ZEdc+oHxhlT3ENom90tMT5D8cBIVB jgWidqNbZRMqxzMq2Hvgm533o16WQhv3pd96yHq8fVydbwIfNXRObeWA4hZRIT4iXTCf QZ+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=CWK25OvthQT1SUNJFQCr9I5ubnDVkXUeRhltQ7z0Mdc=; b=HRtdxIYyIyJBYu8xxmJjtNeb19MnN0irCvntXGKkUMEkLMhWpnPeo8aQgCiLg+YhlO T0tZXkc/y7RqPZ8uu1f6FFNoNpoy2t5c9khFcHUeA8TivqF8BBXau/lt5LxJ237wz6fA ggg3xuQHPG2IXJPRy2OM3ofR96e1NwkuR7K0a7HeC/UXAlxCVNi/omrC8hLLN8mw3K4E nxKYdTgJfdMdosWQT78mJn9VZJd77T2HzGgwLjjvcRI07LNTCLHk2MbjYKcFI8S1OmrT L6T2V33w0mAkP8m5H3IOSiWXStrEtAzgvx4hZXCuYBfJdXAkyb5xan2xzU8b1MYG4s6C I/wA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=b6dQij5u; 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=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q23si5895547ejj.178.2021.09.23.06.17.45; Thu, 23 Sep 2021 06:18:15 -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; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=b6dQij5u; 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=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238597AbhIWNP2 (ORCPT + 99 others); Thu, 23 Sep 2021 09:15:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:35550 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234515AbhIWNP2 (ORCPT ); Thu, 23 Sep 2021 09:15:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0E34A61164; Thu, 23 Sep 2021 13:13:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632402836; bh=b7ciuEU81I/+7+Kcf5GtQcPnxHNd6AApdTsqk+hICIc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b6dQij5uc96X0dTcnPcoUuxkPTLbF2fN2/4Y5WaYYhXJ6M2KOCv5+18SPDtUxEOMv JhsZevCeAarVQfrdBBLKmDTCCmizljQrOD2L/1iNv8E+2eF4KifI/fsdwvO+G0uLoF PgeaGsco1S9SgPDGj0lg6aesyAuewN/oXBER2PLk= Date: Thu, 23 Sep 2021 15:13:53 +0200 From: Greg KH To: Guo Zhi Cc: nsaenz@kernel.org, peterz@infradead.org, maz@kernel.org, bsegall@google.com, rdunlap@infradead.org, airlied@redhat.com, kan liang , odin@uged.al, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel Subject: Re: [PATCH] staging: vchip_arm: Fix misuse of %x Message-ID: References: <20210923035554.669434-1-qtxuning1999@sjtu.edu.cn> <590112814.393656.1632401860257.JavaMail.zimbra@sjtu.edu.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <590112814.393656.1632401860257.JavaMail.zimbra@sjtu.edu.cn> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A: http://en.wikipedia.org/wiki/Top_post Q: Were do I find info about this thing called top-posting? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Thu, Sep 23, 2021 at 08:57:40PM +0800, Guo Zhi wrote: > We should restrict kernel pointer leakage issue by using kptr_restrict. > Therefore kernel pointers should be specified by %pK rather than %lx. I totally agree. What I am asking about is why is this message needed at all? Why not just remove the whole thing? Who uses it? thanks, greg k-h