From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932220AbcG1Mmd (ORCPT ); Thu, 28 Jul 2016 08:42:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59482 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932080AbcG1Mm1 (ORCPT ); Thu, 28 Jul 2016 08:42:27 -0400 Date: Thu, 28 Jul 2016 07:42:25 -0500 From: Josh Poimboeuf To: Linus Torvalds Cc: Steven Rostedt , Ingo Molnar , Linux Kernel Mailing List Subject: Re: warning: calling =?utf-8?B?4oCYX19i?= =?utf-8?Q?uiltin=5Freturn=5Faddress?= =?utf-8?B?4oCZ?= with a nonzero argument is unsafe Message-ID: <20160728124225.onhozrbb6bn7iwa2@treble> References: <20160727215825.6d004899@grimm.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.0.1 (2016-04-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 28 Jul 2016 12:42:26 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 27, 2016 at 08:21:50PM -0700, Linus Torvalds wrote: > The remaining ones are mostly objtool warnings (Josh added to cc: I > get both a "objtool: x86 instruction decoder differs from kernel" > warning Ok, this should be an easy fix. > and several new "sibling call from callable instruction with > changed frame pointer" warnings). These all seem to be caused by a new switch statement optimization in gcc 6 which objtool doesn't know about yet. I'll try to come up with a patch to fix it soon. -- Josh