Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp515532imm; Wed, 26 Sep 2018 02:30:56 -0700 (PDT) X-Google-Smtp-Source: ACcGV609U/woM8ErBv/3IR3jdOxiLxSaarsBWDHjnAm/AGA0d8VxRagXWG7vSNYQvATbwapfC/uO X-Received: by 2002:a63:f002:: with SMTP id k2-v6mr4848440pgh.8.1537954256645; Wed, 26 Sep 2018 02:30:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1537954256; cv=none; d=google.com; s=arc-20160816; b=aUNZ9EpTnvMK0oO8k1KFnUOjwJuRth4tpf42sNEzUL+mXvKa7J9jew9TWgF6i+lmtd js+hXq5JCQ57GNnP5j/s/CQdTgk/mv6dfXCPxTuPv1XTOmcJvRNRKYcqYOXt4hOwSR1q 1EPq9ujtkj2E61U0PNdRFPtw4KX5O3lJKRhaQypHM2V346k+irtXW9sNWiQbNTrGnLVy zVcxJBiqkl3TQ6AD2pBoMVfU22KGjfO/askbaokc/m2A9d1Mn7DGF3hqxZFG3lcxBpRY bHiFwwyGKm37d3qJSwCpn0lFPdOWwdBxoF8dJSo+DtNRYkXvd02hW9v5MVs0KEwysooM 6KdQ== 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=qOA8n2x2QbLEnMwIAOLM6YWvRFpDb9DJVj1h37hZ/ZM=; b=fZIuVZAOLw+KTm6WaKFlAhFlcH4Li957cGgF9ij3YY/S8V8ELqQNHLZuzSeTDthRtj WPM+ztbjSLd9eGKLOPtHwL3rpAZokB98zF/qxKVXYN8ObK0pyT4tLv/VZhQ6yg6frtwx vc4HhbQexcWiM6qq316rx4i/n6JUnTEWujcFXNshSJqjWnXnKagDxFzh5DFPZvMhTvmB jE5YYl7VGrx0A/UJkUYNiSlSsrGXEFwV8D1s/eohZRPHoz0jzWdKfH2D7Gh5Yhd8M4ag hcAYWUuhANa75eYu81W1bvKV1IaorXhw0t+UnCbOPXmGwEs/ityOovos1BNTwKN/fF45 Q91A== 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 f8-v6si3542782pln.512.2018.09.26.02.30.41; Wed, 26 Sep 2018 02:30:56 -0700 (PDT) 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 S1728236AbeIZPlT (ORCPT + 99 others); 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