From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752116AbdIKQbG (ORCPT <rfc822;w@1wt.eu>);
        Mon, 11 Sep 2017 12:31:06 -0400
Received: from mail.skyhub.de ([5.9.137.197]:59414 "EHLO mail.skyhub.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1751422AbdIKQbF (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 11 Sep 2017 12:31:05 -0400
Date: Mon, 11 Sep 2017 18:31:02 +0200
From: Borislav Petkov <bp@alien8.de>
To: Kees Cook <keescook@chromium.org>
Cc: lkml <linux-kernel@vger.kernel.org>, Jessica Yu <jeyu@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>, Jiri Slaby <jslaby@suse.cz>,
        Jiri Olsa <jolsa@kernel.org>, Michal Marek <mmarek@suse.cz>,
        Jiri Kosina <jkosina@suse.cz>, Takashi Iwai <tiwai@suse.de>,
        Petr Mladek <pmladek@suse.com>, Jeff Mahoney <jeffm@suse.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        x86-ml <x86@kernel.org>
Subject: Re: [RFC PATCH] kernel/panic: Add TAINT_AUX
Message-ID: <20170911163102.fgebdut27iorgrgu@pd.tnic>
References: <20170911134533.dp5mtyku5bongx4c@pd.tnic>
 <CAGXu5jJx3AF7XB1hb+8vPCHJReYeRsumdFSUCLLOmiR3LrG4Ow@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <CAGXu5jJx3AF7XB1hb+8vPCHJReYeRsumdFSUCLLOmiR3LrG4Ow@mail.gmail.com>
User-Agent: NeoMutt/20170113 (1.7.2)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, Sep 11, 2017 at 09:19:16AM -0700, Kees Cook wrote:
> If I were an end-user looking at my kernel trace that had an "X" flag,
> how would I go look up what it actually means? Is "git grep TAINT_AUX"
> going to sufficiently answer that question?

Just like with the other taint letters. I look it up by looking at the
comment over print_tainted(). Unless it is P or M - those I know :-)

> How does SUSE use it currently?

We will use it to mark modules for which we don't provide support. I.e.,
a really eXternal module :-)

Thanks.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.