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From: Adrian Bunk <bunk@kernel.org>
To: James Bottomley <James.Bottomley@steeleye.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Jarek Poplawski <jarkao2@o2.pl>, Andi Kleen <ak@suse.de>,
	linux-arch@vger.kernel.org,
	Randy Dunlap <randy.dunlap@oracle.com>
Subject: Re: RFC: drop support for gcc < 4.0
Date: Wed, 22 Aug 2007 00:09:52 +0200	[thread overview]
Message-ID: <20070821220952.GH30705@stusta.de> (raw)
In-Reply-To: <1187732978.18410.51.camel@localhost.localdomain>

On Tue, Aug 21, 2007 at 04:49:38PM -0500, James Bottomley wrote:
> On Tue, 2007-08-21 at 23:21 +0200, Adrian Bunk wrote:
> > On Tue, Aug 21, 2007 at 10:49:49PM +0200, Segher Boessenkool wrote:
> > >> How many people e.g. test -rc kernels compiled with gcc 3.2?
> > >
> > > Why would that matter?  It either works or not.  If it doesn't
> > > work, it can either be fixed, or support for that old compiler
> > > version can be removed.
> > 
> > One bug report "kernel doesn't work / crash / ... when compiled with
> > gcc 3.2, but works when compiled with gcc 4.2" will most likely be lost 
> > in the big pile of unhandled bugs, not cause the removal of gcc 3.2 
> > support...
> 
> What's the bugzilla or pointer to this report please?  Those of us who
> use gcc-3 as the default kernel compiler will take it seriously (if it
> looks to have an impact to our kernel builds) otherwise we can tell you
> it's unreproducible/not a problem etc.

This was an example in response to Segher's point we would remove 
support for a gcc version in such a case.

I remember we had such issues, but I don't find any pointer to a 
specific one at the moment.

I'll keep you informed when bug reports come in that only occur with 
older gcc versions and that aren't easily fixable.

> James

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed


  reply	other threads:[~2007-08-21 22:10 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-21 13:20 2.6.23-rc3-git3 make warnings Jarek Poplawski
2007-08-21 15:07 ` [Git Patch] ACPI: Fix a warning of discarding qualifiers from pointer target type WANG Cong
2007-08-21 15:14   ` Alexey Starikovskiy
2007-08-21 15:18     ` Al Viro
2007-08-21 15:22       ` Alexey Starikovskiy
2007-08-21 15:47         ` Al Viro
2007-08-23  0:59           ` Brown, Len
2007-08-23  0:59             ` Brown, Len
2007-08-23  1:28             ` Al Viro
2007-08-22  7:57       ` Jarek Poplawski
2007-08-21 16:17 ` 2.6.23-rc3-git3 make warnings WANG Cong
2007-08-21 16:44   ` Greg KH
2007-08-21 16:57     ` Adrian Bunk
2007-08-21 16:57     ` Adrian Bunk
2007-08-21 16:31 ` Randy Dunlap
2007-08-21 17:35   ` RFC: drop support for gcc < 4.0 Adrian Bunk
2007-08-21 17:54     ` Russell King
2007-08-21 17:54       ` Russell King
2007-08-21 18:14       ` Kyle McMartin
2007-08-21 18:29       ` Adrian Bunk
2007-08-22  5:48         ` Robert P. J. Day
2007-08-21 18:25     ` Chris Wedgwood
2007-08-21 20:41       ` Glauber de Oliveira Costa
2007-08-21 20:56         ` Segher Boessenkool
2007-08-21 21:01           ` Glauber de Oliveira Costa
2007-08-22  6:59         ` Thomas Bogendoerfer
2007-08-22 18:15         ` Ralf Baechle
2007-08-21 19:19     ` Andi Kleen
2007-08-21 19:54       ` Adrian Bunk
2007-08-21 20:07         ` [RFC][PATCH] introduce TASK_SIZE_OF() for all arches Matthew Wilcox
2007-08-21 20:08         ` RFC: drop support for gcc < 4.0 Linus Torvalds
2007-08-21 20:21           ` Adrian Bunk
2007-08-21 20:32             ` Linus Torvalds
2007-08-22  7:36               ` Jarek Poplawski
2007-08-21 20:49             ` Segher Boessenkool
2007-08-21 21:21               ` Adrian Bunk
2007-08-21 21:49                 ` James Bottomley
2007-08-21 22:09                   ` Adrian Bunk [this message]
2007-08-22  0:08                 ` Segher Boessenkool
2007-08-22  6:07                   ` Jarek Poplawski
2007-08-21 21:41     ` Oliver Pinter
2007-08-22  7:57       ` Jan Engelhardt
2007-08-22  8:08         ` Jarek Poplawski
2007-08-22  8:10           ` Jan Engelhardt
2007-08-22  8:42             ` Michal Piotrowski
2007-08-22  8:56             ` Jarek Poplawski
2007-08-22  8:48         ` Martin Michlmayr

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