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From: Andrew Morton <akpm@linux-foundation.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: 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,
	Vegard Nossum <vegard.nossum@gmail.com>
Subject: Re: huge gcc 4.1.{0,1} __weak problem
Date: Thu, 1 May 2008 15:33:49 -0700	[thread overview]
Message-ID: <20080501153349.f4537ec7.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0805011525460.5994@woody.linux-foundation.org>

On Thu, 1 May 2008 15:27:26 -0700 (PDT)
Linus Torvalds <torvalds@linux-foundation.org> 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.
> 

Drat.  There go my alpha, i386, m68k, s390, sparc and powerpc
cross-compilers.  Vagard, save me!

Meanwhile I guess I can locally unpatch that patch.



  reply	other threads:[~2008-05-01 22:35 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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
2008-04-30 20:15     ` Tom Rini
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 [this message]
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
2008-06-26 10:37           ` [2.6.26 patch] #error for gcc 4.1.{0,1} Adrian Bunk
2008-05-02 21:09       ` huge gcc 4.1.{0,1} __weak problem Jeremy Fitzhardinge
2008-05-02 21:19         ` Adrian Bunk
  -- strict thread matches above, loose matches on Subject: below --
2008-05-01 23:55 Chris Knadle
2008-05-02  9:19 ` 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

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