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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF822C43382 for ; Wed, 26 Sep 2018 09:29:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E48F2086E for ; Wed, 26 Sep 2018 09:29:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E48F2086E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728279AbeIZPlT (ORCPT ); Wed, 26 Sep 2018 11:41:19 -0400 Received: from gate.crashing.org ([63.228.1.57]:35079 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726987AbeIZPlT (ORCPT ); Wed, 26 Sep 2018 11:41:19 -0400 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id w8Q9SAKU027631; Wed, 26 Sep 2018 04:28:11 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id w8Q9S8e3027625; Wed, 26 Sep 2018 04:28:08 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Wed, 26 Sep 2018 04:28:07 -0500 From: Segher Boessenkool To: Christophe LEROY Cc: Russell Currey , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Andrew Donnellan , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/2] powerpc/64: add stack protector support Message-ID: <20180926092806.GM23155@gate.crashing.org> References: <2b934594d21ade67a4092637cf9e6b7d2d131187.1537801613.git.christophe.leroy@c-s.fr> <0797fc91-6400-2508-1cc0-4bba78aafbbb@c-s.fr> <30fb4e6b-0981-c53c-a1db-94138eaad268@c-s.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <30fb4e6b-0981-c53c-a1db-94138eaad268@c-s.fr> User-Agent: Mutt/1.4.2.3i Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 26, 2018 at 09:58:30AM +0200, Christophe LEROY wrote: > Segher, any idea about this problem ? > >>arch/powerpc/platforms/powermac/bootx_init.o: In function `bootx_printf': > >>/var/lib/jenkins-slave/workspace/snowpatch/snowpatch-linux- > >>sparse/linux/arch/powerpc/platforms/powermac/bootx_init.c:88: > >>undefined reference to `__stack_chk_fail_local' Are you building as PIC? Are you linking libssp_nonshared.a? Why not? :-) Segher