linux-kernel - Re: new binutils needed for arm in 3.12-rc1

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20130927194132.GA31663@amd.pavel.ucw.cz>
Date:	Fri, 27 Sep 2013 21:41:32 +0200
From:	Pavel Machek <pavel@....cz>
To:	Rob Landley <rob@...dley.net>
Cc:	Nicolas Pitre <nico@...xnic.net>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Måns Rullgård <mans@...sr.com>,
	Andrew Morton <akpm@...l.org>,
	Trivial patch monkey <trivial@...nel.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: new binutils needed for arm in 3.12-rc1

Hi!

On Thu 2013-09-26 17:48:29, Rob Landley wrote:
> On 09/25/2013 11:13:17 AM, Nicolas Pitre wrote:
> >On Wed, 25 Sep 2013, Rob Landley wrote:
> >
> >> On 09/24/2013 09:07:57 PM, Nicolas Pitre wrote:
> >> > I'd strongly suggest you make your binutils compatible with newer
> >> > instruction syntax instead of making the kernel more complex.
> >>
> >> Meaning I play whack-a-mole as this becomes permission to depend
> >on endless
> >> new gnuisms just because they're there and nobody else is
> >regression testing
> >> against them, not because they actually add anything.
> >
> >Gnuism?
> >
> >Let me quote the ARM ARchitecture Reference Manual, version 7
> >revision C,
> >section A8.8.44 (sorry for the whitespace dammage):
> 
> Globally changing the binutils requirement for all architectures, as
> the doc patch at the start of this thread proposed doing, would mean
> gnuisms in common code (ext2 and such) wouldn't get caught, giving
> llvm and pcc and such a moving target when trying to build the
> kernel with non-gnu toolchains. That's what I meant by gnuisms
> breeding.

Well. I did the docs patch, but my preferred solution would actually
be to get the patches reverted so that it still works with old
binutils.

(So far, I updated one machine with new cross environment, two more to
go.)

Anyway, it should be solved _somehow_.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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/