From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932609AbcE3HkM (ORCPT ); Mon, 30 May 2016 03:40:12 -0400 Received: from mail.skyhub.de ([78.46.96.112]:51864 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752648AbcE3HkL (ORCPT ); Mon, 30 May 2016 03:40:11 -0400 Date: Mon, 30 May 2016 09:40:01 +0200 From: Borislav Petkov To: Andy Lutomirski Cc: Brian Gerst , "linux-kernel@vger.kernel.org" , X86 ML , Kees Cook Subject: Re: [PATCH 4/7] x86/dumpstack: If addr_limit is non-default, display it Message-ID: <20160530074001.GA2620@pd.tnic> References: <20160525113927.GC4420@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 29, 2016 at 12:08:29PM -0700, Andy Lutomirski wrote: > Sure, but how do I implement that? There's no "does this arch have > addr_limit in thread_info" general flag that I know of. What about get_fs()? Looks like all arches implement that and on sparc it is something called thread_info.current_ds... -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply.