From: Chris Knadle <Chris.Knadle@coredump.us>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Adrian Bunk <bunk@kernel.org>,
venkatesh.pallipadi@intel.com, davem@davemloft.net,
trini@kernel.crashing.org, mingo@elte.hu, tglx@linutronix.de,
hpa@zytor.com, linux-kernel@vger.kernel.org,
suresh.b.siddha@intel.com
Subject: Re: huge gcc 4.1.{0,1} __weak problem
Date: Thu, 1 May 2008 19:55:58 -0400 [thread overview]
Message-ID: <20080501235558.GA20637@orac.ofobscurity.com> (raw)
On Thu, 1 May 2008, Linus Torvalds wrote:
> On Thu, 1 May 2008, Andrew Morton wrote:
> > >
> > > I see only the following choices:
> > > - remove __weak and replace all current usages
> > > - move all __weak functions into own files, and ensure that also happens
> > > for future usages
> > > - #error for gcc 4.1.{0,1}
> >
> > Can we detect the {0,1}? __GNUC_EVEN_MORE_MINOR__?
>
> It's __GNUC_PATCHLEVEL__, I believe.
>
> So yes, we can distinguish 4.1.2 (good, and very common) from 4.1.{0,1}
> (bad, and rather uncommon).
> And yes, considering that 4.1.1 (and even more so 4.1.0) should be rare to
> begin with, I think it's better to just not support it.
>
> Linus
Unfortunately Debian Stable (i.e. Etch), which is relatively popular for server
use, is still using 4.1.1 :-( (The current gcc package is gcc-4.1.1-21)
I have not looked to see if Debian Stable's gcc-4.1.1-21 has been patched for
the currently discussed __weak bug.
-- Chris
Chris Knadle
Chris.Knadle@coredump.us
next reply other threads:[~2008-05-02 0:25 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-01 23:55 Chris Knadle [this message]
2008-05-02 9:19 ` huge gcc 4.1.{0,1} __weak problem Miquel van Smoorenburg
2008-05-02 9:55 ` Alistair John Strachan
2008-05-02 10:43 ` Sam Ravnborg
2008-05-02 11:48 ` Alistair John Strachan
2008-05-02 13:57 ` Sam Ravnborg
2008-05-02 14:11 ` Jakub Jelinek
2008-05-02 15:26 ` Alistair John Strachan
2008-05-02 14:57 ` Jeremy Fitzhardinge
2008-05-02 12:40 ` Sven-Haegar Koch
-- strict thread matches above, loose matches on Subject: below --
2008-04-30 1:31 [PATCH] /dev/mem gcc weak function workaround Venki Pallipadi
2008-04-30 4:28 ` David Miller
2008-04-30 12:49 ` Pallipadi, Venkatesh
2008-05-01 21:56 ` huge gcc 4.1.{0,1} __weak problem Adrian Bunk
2008-05-01 22:20 ` Andrew Morton
2008-05-01 22:27 ` Linus Torvalds
2008-05-01 22:33 ` Andrew Morton
2008-05-01 23:24 ` Tom Rini
2008-05-01 23:59 ` Andrew Morton
2008-05-02 0:21 ` Justin Mattock
2008-05-02 7:18 ` Vegard Nossum
2008-05-02 13:43 ` Theodore Tso
2008-05-02 8:10 ` Adrian Bunk
2008-05-02 9:09 ` Andi Kleen
2008-05-01 22:35 ` Venki Pallipadi
2008-05-01 22:42 ` Andrew Morton
2008-05-01 22:49 ` Jakub Jelinek
2008-05-01 23:21 ` Tom Rini
2008-05-01 23:30 ` Venki Pallipadi
2008-05-02 0:34 ` Linus Torvalds
2008-05-02 0:39 ` Suresh Siddha
2008-05-02 21:11 ` Jeremy Fitzhardinge
2008-05-02 22:02 ` David Miller
2008-05-01 23:23 ` Tom Rini
2008-05-01 22:51 ` David Miller
2008-05-02 21:09 ` Jeremy Fitzhardinge
2008-05-02 21:19 ` Adrian Bunk
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