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 S1751626AbbFPA2D (ORCPT <rfc822;w@1wt.eu>);
	Mon, 15 Jun 2015 20:28:03 -0400
Received: from relay4-d.mail.gandi.net ([217.70.183.196]:47214 "EHLO
	relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750782AbbFPA1z convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Mon, 15 Jun 2015 20:27:55 -0400
X-Originating-IP: 50.43.43.179
Date: Mon, 15 Jun 2015 17:27:49 -0700
From: Josh Triplett <josh@joshtriplett.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Jim Davis <jim.epost@gmail.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h
Message-ID: <20150616002748.GA28766@x>
References: <CA+r1ZhgtLueFEJhnsgKdvawMEjT+F5Pv9zujapgPwpQq-gso9w@mail.gmail.com>
 <20150616002031.GD3913@linux.vnet.ibm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20150616002031.GD3913@linux.vnet.ibm.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, Jun 15, 2015 at 05:20:31PM -0700, Paul E. McKenney wrote:
> On Mon, Jun 15, 2015 at 05:11:16PM -0700, Jim Davis wrote:
> > Just an FYI, but with next-20150615 (and I think some previous days too IIRC),
> > 
> > In file included from include/linux/rcupdate.h:429:0,
> >                  from include/linux/srcu.h:33,
> >                  from include/linux/notifier.h:15,
> >                  from include/linux/memory_hotplug.h:6,
> >                  from include/linux/mmzone.h:797,
> >                  from include/linux/gfp.h:5,
> >                  from include/linux/kmod.h:22,
> >                  from include/linux/module.h:13,
> >                  from kernel/rcu/rcutorture.c:28:
> > include/linux/rcutiny.h: In function ‘rcu_barrier_sched’:
> > include/linux/rcutiny.h:55:20: internal compiler error: Segmentation fault
> >  static inline void rcu_barrier_sched(void)
> >                     ^
> > 
> > That's with a random configuration file setting
> 
> I presume that you are reporting it to the gcc guys as well?  If nothing
> else, for the obtuseness of the error message?

Agreed.  Can you reproduce this with a preprocessed file ("make
kernel/rcu/rcutorture.i" first), and then provide that file in a bug
report to GCC?

- Josh Triplett