Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756325AbbDPBn1 (ORCPT ); Wed, 15 Apr 2015 21:43:27 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:54007 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751416AbbDPBnU (ORCPT ); Wed, 15 Apr 2015 21:43:20 -0400 Message-ID: <552F13AF.5030606@roeck-us.net> Date: Wed, 15 Apr 2015 18:43:11 -0700 From: Guenter Roeck User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Quentin Casasnovas CC: Rusty Russell , lkml , Stephen Rothwell , linux-next Subject: Re: [PATCH 0/2] Tentative fix for the divide-by-zero on score/paris/.. References: <20150414165000.GA19434@roeck-us.net> <1429088078-23827-1-git-send-email-quentin.casasnovas@oracle.com> <552E6722.1080507@roeck-us.net> <20150415211956.GA6703@chrystal.uk.oracle.com> In-Reply-To: <20150415211956.GA6703@chrystal.uk.oracle.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated_sender: linux@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020203.552F13B8.007F,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.000 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 3 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2629 Lines: 72 On 04/15/2015 02:19 PM, Quentin Casasnovas wrote: > On Wed, Apr 15, 2015 at 06:26:58AM -0700, Guenter Roeck wrote: >> On 04/15/2015 01:54 AM, Quentin Casasnovas wrote: >>> The following two patches might (hopefully) fix the build breakage on score >>> and some other architectures. I've checked the new __ex_table checker >>> still works on x86-64 with them (it still detects an entry pointing to >>> .altinstr_rplacement) and they should apply cleanly on top of Rusty's >>> module-next branch. >>> >>> Thanks to Guenter for the bug analysis and sorry again for the breakage. >>> >>> Let me know if this makes things better.. >>> >> >> the crash is fixed, but now I get >> >> FATAL: The relocation at __ex_table+0x4 references >> section "" which is not executable, IOW >> the kernel will fault if it ever tries to >> jump to it. Something is seriously wrong >> and should be fixed. >> >> for parisc:defconfig, >> >> FATAL: The relocation at __ex_table+0x634 references >> section "__ex_table" which is not executable, IOW >> the kernel will fault if it ever tries to >> jump to it. Something is seriously wrong >> and should be fixed. >> >> for score:allnoconfig, and >> >> FATAL: The relocation at __ex_table+0x8 references >> section "" which is not executable, IOW >> it is not possible for the kernel to fault >> at that address. Something is seriously wrong >> and should be fixed. >> >> for mn10300:defconfig. >> >> While I agree that those should get fixed (if they are real problems, >> especially the ones for parisc and mn10300), I don't think it is >> a good idea to fail the build because of it. >> >> Note that I did find the problem in the score build; that was a real bug. >> I don't know what may be wrong with the others. >> > > The attached patch fixes the build failures on parisc and mn10300 on my > defconfig build and should apply cleanly on top of the previous two. > > I'm not able to download the score cross toolchain for the moment but will > do tomorrow. Guenter, may I ask if there were any other problems than the > one you fixed in string.S there? > For >From 2e9abac9cbde18af48951c54d52c9c515f9883a7 Mon Sep 17 00:00:00 2001 From: Quentin Casasnovas Date: Wed, 15 Apr 2015 22:39:50 +0200 Subject: [PATCH] modpost: do not try to match the SHT_NUL section. Tested-by: Guenter Roeck Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/