* Greg KH (greg@kroah.com) wrote:
quoted text
> On Wed, Apr 28, 2010 at 07:24:13PM +0200, Tejun Heo wrote:
> > On 04/28/2010 06:55 PM, Jiri Benc wrote:
> > > On Wed, 28 Apr 2010 12:20:56 -0400, Mathieu Desnoyers wrote:
> > >> Can you try reverting commit c8d52465f95c4187871f8e65666c07806ca06d41 and see if
> > >> it helps ?
> > > 
> > > It doesn't. The produced code is identical.
> > > 
> > >> If you have other compiler versions handy, that would also be helpful to see if
> > >> the problem is specific to the gcc version you are using.
> > > 
> > > Tried 4.5.0, the same problem (at least looking at the produced assembler
> > > code, I haven't booted the kernel, but it looks very similar to 4.3.3).
> > 
> > I wrote on the bugzilla but this is not a compiler bug but the -stable
> > patch shouldn't have been applied only to 2.6.33.  Not 2.6.32.  This
> > is because till 2.6.32, ia64 hadn't been converted to dynamic percpu
> > allocator, so its static and dynamic percpu areas were separate and
> > the per_cpu_ptr() wouldn't do the offsetting the module code expects
> > there.  So, please revert the patch from 2.6.32.
> 
> Ah crap, I missed that.  I'll go revert it from .32 now, sorry about
> that.
> 
> greg k-h

My bad, I indicated that it should be applied to 2.6.29.x through 2.6.33.x in
the changelog.

Sorry,

Mathieu


-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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