linux-kernel - Re: Random panic in load

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Date:	Sat, 26 Jul 2014 13:39:54 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Alexei Starovoitov <ast@...nel.org>,
	Michel Dänzer <michel@...nzer.net>,
	Jakub Jelinek <jakub@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Debian GCC Maintainers <debian-gcc@...ts.debian.org>,
	Debian Kernel Team <debian-kernel@...ts.debian.org>
Subject: Re: Random panic in load_balance() with 3.16-rc

On Sat, Jul 26, 2014 at 1:19 PM, Markus Trippelsdorf
<markus@...ppelsdorf.de> wrote:
>
> Yes. The option only affects -g builds.

Ok, good. I'll wait a bit to hopefully get confirmation from Michel's
setup, but this does seem to be the solution.

> So, the option should only be enabled for debugging builds. Something
> like the following should be sufficient:

Actually, I prefer my patch that did it with cc-option checking, and
does it unconditionally.

Because if we do it even for non-debug builds - where it ostensibly
shouldn't matter - we then have that GCC_COMPARE_DEBUG thing working
regardless of configuration.

                Linus
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