From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757535AbcJZJQo (ORCPT ); Wed, 26 Oct 2016 05:16:44 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:53133 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757303AbcJZJQm (ORCPT ); Wed, 26 Oct 2016 05:16:42 -0400 From: Arnd Bergmann To: Josh Poimboeuf Cc: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] objtool: a couple of minor fixes Date: Wed, 26 Oct 2016 11:16:30 +0200 Message-ID: <3931713.dYrUncsTll@wuerfel> User-Agent: KMail/5.1.3 (Linux/4.4.0-34-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: <3971280.DNU2zoGODW@wuerfel> References: <3971280.DNU2zoGODW@wuerfel> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:A0fiydE8o6/unH3MljBo87fXjYmUepZiqbi1DhW8HQyB2CyBnxW /aeUC9hd0mhwgJ16pjgVoO+nFQ7NHKvQ4z3gQJFU8Yb/Fhi7fYQ8ode6zDyolZTv7Bezk4Y VIwpKA+JxdBq3Zz+fmZHXVZvEW0+EizE4xPK1WDqw76P2ZHVf8DSZZPEMEX3fX6g5Y3ElX4 w1Y/SJO7+jLiT1JqOmMBg== X-UI-Out-Filterresults: notjunk:1;V01:K0:TTkfSDWMAKw=:nR5L9CFbtT00NBvfmnEsup J9PYBQECez6cx+6ux3uWOl8mt0GZu9ANrW8pcRYFnorB0XbQy1V3j8C6aBAo8t/joLSCqyDby 0NOfJkltQ0KTYb7GBqvZ1tszA4MFd1T/PtBW1k9rRs/7M4/RyADD1lVXQSwady0KDHfb0EI0y Shd6y7V5s7sSe/y6JA+LWZnA5NZkMvc910Y4oTaBg369kwZXfdqyHtDAfR7u4BmktHb0F6yTO +YkjfxgoCEFwZuv9OpBvPyyCWRoJD1rilO0h/Lk+OEMpE/UUmI7X6tOm0Tx1SUVkzU3Zm8f7e +UT/Ff8v25Y2Bb1DE9ZTuwqzd51uP0FUMEZKHDtivv3vYooS7ow9di1nIyRW6JT0VBoQw7VId mX6jFd0oiosf7AsRffaAdgLmHA8dh2wUELxQY0BHCCwBEkBIq5s4skX1NJXFyMRJ6L9mSLMEV E/4kmovbdVMT/jzikjWCnEDmXOpG8VK1aIGlYWOV8JvUtGSbdhfJxXXZKnXxAsKzXkJbEu1Ec 6yCPm40Kb3eDoGwN1LiZ2mD4kVOcexvfYlgKvLXunrDG+ylzzZoMS9BfzcJG6YhNyIV4rky+V 7ldGm1zoqm6H//L3P3x5edDJ+sqqfLeWT+K0RUHwB1ZKxjh0b7+YuA1pikC4orS7vUlMt6T76 hea4oF118rN1Pq4dyOaLKLLH9FCd0nxEcMmCNUP60DTGDfkEYoxmpumjBzWpztNFCjDypVJi7 hwwKatONZcFmF8EA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, October 26, 2016 9:58:29 AM CEST Arnd Bergmann wrote: > On Thursday, October 13, 2016 4:22:51 PM CEST Josh Poimboeuf wrote: > > Fix a couple of issues: > > > > - fix a false positive warning related to switch statement jump tables > > - get rid of useless "unreachable instruction" warnings for gcov kernels > > > > Josh Poimboeuf (2): > > objtool: improve rare switch jump table pattern detection > > objtool: skip all "unreachable instruction" warnings for gcov kernels > > > > tools/objtool/builtin-check.c | 68 ++++++++++++++++++++++--------------------- > > 1 file changed, 35 insertions(+), 33 deletions(-) > > I got another warning today with linux-next, but have not looked into it: > > drivers/infiniband/sw/rxe/rxe_comp.o: warning: objtool: rxe_completer()+0x315: sibling call from callable instruction with changed frame pointer > > .config and object file attached. And another one, let me know if you want detailed information about this one too, I suspect they are related. drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x112: sibling call from callable instruction with changed frame pointer Arnd