Re: [PATCH 2/2] fork: avoid weak function arch_dup_task_struct

[Andrew Morton]

On Sun, 01 May 2011 15:59:12 -0700 "H. Peter Anvin" <hpa@xxxxxxxxx> wrote:

> On 05/01/2011 12:25 PM, Andrew Morton wrote:
> > On Wed, 27 Apr 2011 16:26:35 +0200 Hans Rosenfeld <hans.rosenfeld@xxxxxxx> wrote:
> > 
> >> Avoid potential gcc bug by not using a weak function for
> >> arch_dup_task_struct. Use an #ifdef'ed static function for
> >> archs that don't have a special arch_dup_task_struct implementation.
> > 
> > The patch is unreviewable (and hence unusable) if you don't describe
> > this "potential gcc bug".
> >
> 
> http://lkml.indiana.edu/hypermail/linux/kernel/0804.3/3202.html
> 

gcc-4.1.0 and 4.1.1 were explicitly banned via a test in
include/linux/compiler-gcc4.h for this reason.

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