linux-kernel - Re: [PATCH] regmap: silence GCC warning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 1 Oct 2012 12:39:27 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regmap: silence GCC warning

On Mon, Oct 01, 2012 at 12:32:57PM +0200, Paul Bolle wrote:
> On Mon, 2012-10-01 at 11:19 +0100, Mark Brown wrote:

> > I haven't actually stared hard enough at the code to figure this out
> > yet but given what you're changing I'd hope it's a flow analysis bug.
> > I'm certainly not seeing a warning here.

> Well, you may be using another version of gcc, or using different
> defaults. I'm using gcc-4.7.2-2.fc17.x86_64 (ie, the gcc currently
> shipped in Fedora 17 for x86_64), in what I think to be default
> settings.

Yes, of course.  Hence my comment about their flow analysis getting
worse and worse.

> Note that it's not some local oddity. Looking at the (currently) latest
> log for a Fedora build of v3.6-rc7 you'll find an identical warning [0].
> Apparently that build was done with gcc-4.7.1-5.fc18.x86_64 [1].

I assume this is a regression they've introduced in 4.7.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/