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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E219C433F5 for ; Tue, 19 Apr 2022 07:43:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349512AbiDSHpk (ORCPT ); Tue, 19 Apr 2022 03:45:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234163AbiDSHpg (ORCPT ); Tue, 19 Apr 2022 03:45:36 -0400 Received: from ha.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 38B3014087 for ; Tue, 19 Apr 2022 00:42:51 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by ha.nfschina.com (Postfix) with ESMTP id 9D82A1E80D17; Tue, 19 Apr 2022 15:40:38 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from ha.nfschina.com ([127.0.0.1]) by localhost (ha.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id i4hBYJhLQfsH; Tue, 19 Apr 2022 15:40:36 +0800 (CST) Received: from [172.30.21.106] (unknown [180.167.10.98]) (Authenticated sender: liqiong@nfschina.com) by ha.nfschina.com (Postfix) with ESMTPA id B1EE21E80D14; Tue, 19 Apr 2022 15:40:35 +0800 (CST) Subject: Re: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer To: Peter Zijlstra Cc: Thomas Gleixner , Dave Hansen , x86@kernel.org, linux-kernel@vger.kernel.org, yuzhe@nfschina.com, renyu@nfschina.com References: <20220417154148.541485-1-liqiong@nfschina.com> <20220419073732.GJ2731@worktop.programming.kicks-ass.net> From: liqiong Message-ID: <3989f258-d5fb-e379-a16f-6c9a124cdcbd@nfschina.com> Date: Tue, 19 Apr 2022 15:42:46 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20220419073732.GJ2731@worktop.programming.kicks-ass.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022年04月19日 15:37, Peter Zijlstra 写道: > On Sun, Apr 17, 2022 at 11:41:48PM +0800, liqiong wrote: >> Sparse warns: "Using plain integer as NULL pointer". > What's wrong with that? Just a sparse warning.