Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755147AbaGZTzW (ORCPT ); Sat, 26 Jul 2014 15:55:22 -0400 Received: from imap.thunk.org ([74.207.234.97]:58572 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754156AbaGZTzR (ORCPT ); Sat, 26 Jul 2014 15:55:17 -0400 Date: Sat, 26 Jul 2014 15:55:03 -0400 From: "Theodore Ts'o" To: Markus Trippelsdorf Cc: Linus Torvalds , Steven Rostedt , Alexei Starovoitov , Michel =?iso-8859-1?Q?D=E4nzer?= , Jakub Jelinek , Linux Kernel Mailing List , Debian GCC Maintainers , Debian Kernel Team Subject: Re: Random panic in load_balance() with 3.16-rc Message-ID: <20140726195503.GJ6725@thunk.org> Mail-Followup-To: Theodore Ts'o , Markus Trippelsdorf , Linus Torvalds , Steven Rostedt , Alexei Starovoitov , Michel =?iso-8859-1?Q?D=E4nzer?= , Jakub Jelinek , Linux Kernel Mailing List , Debian GCC Maintainers , Debian Kernel Team References: <53D064C7.5050807@daenzer.net> <53D1B1EF.7030603@daenzer.net> <20140725035527.GA30108@pg-vmw-gw1> <20140725140237.GB32669@home.goodmis.org> <20140726193557.GA21842@x4> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140726193557.GA21842@x4> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 26, 2014 at 09:35:57PM +0200, Markus Trippelsdorf wrote: > > But fortunately the workaround for the new inode.c bug is the same as > for the original bug: -fno-var-tracking-assignments. > > It would make sense to enabled it unconditionally for all debug > configurations for now. What's the downside of enabling this unconditionally on a compiler with the bug fixed? I assume a certain amount of optimization will lost, but is it significant/measurable? - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/