Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp242053imu; Thu, 8 Nov 2018 07:42:06 -0800 (PST) X-Google-Smtp-Source: AJdET5cqtHFaRff+sy8ctJHPMw5oi4V2negA+AcY9rANn3CVQzY5UKiMuQkfZZmTDx52bSB3c7Sm X-Received: by 2002:a63:3287:: with SMTP id y129mr4220808pgy.337.1541691726620; Thu, 08 Nov 2018 07:42:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1541691726; cv=none; d=google.com; s=arc-20160816; b=QgpNlWxbP6h2X4PEfm90LeK43WUn7oCuSsjbVyIa5hplLIjEWF9b50lB9Yyg0/Neym /cswt//mXVH0q0qsWvRiv1F4t3FEQk3khDBchLstyzgXVL9n4i6vMMgopFUeOOZM85Gt fC16BU+fxNcQCLHVefZp1hf16Cl86CpEYxK8ApT8bCUF88LxTmQlyZ77S6ppCHJq4voM bsNDN/DM+QoDr1JkemPOJ93PXeBxY50jZDI+30BAZDGcoHilEYRAnjAJ03UBVU+1CrFq GWYuoD9bIAmJ13J+zA3G3YeRua7MjRroG2d7SrYBKelyiWMxzgdGfACzQBukWivpDJQK WUrw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=GbYcwqy5FDohxabEEUmH8snn+XOT6GJiO0d0MCkbnWw=; b=nFTKYc61se+JhPpfM0+UXJG+L6QPmOELuEXpITN3LrzjU8cDFXbMvlKwhC1vQjQZyZ WdAovaUzFkyqilFhrF8ZojYUASp41FEulB2fVo02dT20whBZBzJWUcR99JJg2z17vN68 lPmryLSzh0oBKl6a2TXASA7/UGgIe30iXGKvN/PlJ0gr/eXdHVx4tfL7fyC/VvhFSqmM KeYloVLoheROc7Mn17C8kohIK4Du+wQhHnqYFovpSA9YQNxQGOo088q75BiTDxbCgfqo nNrd54J8SNgwM8scDlOqbN3F5IiJnrIa0pwxRBLxPV/7rtQdbjOxLIcxgvmvRBXKtDEQ o3Sw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x15-v6si4238762pgf.307.2018.11.08.07.41.49; Thu, 08 Nov 2018 07:42:06 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbeKIBR2 (ORCPT + 99 others); Thu, 8 Nov 2018 20:17:28 -0500 Received: from mail.skyhub.de ([5.9.137.197]:36968 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726417AbeKIBR1 (ORCPT ); Thu, 8 Nov 2018 20:17:27 -0500 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id D7obv4pU7-GC; Thu, 8 Nov 2018 16:41:23 +0100 (CET) Received: from zn.tnic (p200300EC2BD03D00329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2bd0:3d00:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 319B81EC03C8; Thu, 8 Nov 2018 16:41:23 +0100 (CET) Date: Thu, 8 Nov 2018 16:41:21 +0100 From: Borislav Petkov To: Thomas Gleixner Cc: Yi Wang , Michael Matz , mingo@redhat.com, hpa@zytor.com, x86@kernel.org, suravee.suthikulpanit@amd.com, puwen@hygon.cn, davidwang@zhaoxin.com, linux-kernel@vger.kernel.org, zhong.weidong@zte.com.cn Subject: Re: [PATCH v2] x86/cpu: fix prototype warning Message-ID: <20181108154121.GG7543@zn.tnic> References: <1541639548-11149-1-git-send-email-wang.yi59@zte.com.cn> <20181108150318.GD7543@zn.tnic> <20181108153226.GF7543@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 08, 2018 at 04:35:45PM +0100, Thomas Gleixner wrote: > Global function declarations must have a prototype definition, really. > > Otherwise you can change the function signature and all callers which use > the old unchanged prototype are hosed. Ok, should we then enable this warning by default? It is an extra warning now, behind W=1. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.