Linux 2.6.x : cpm_dpalloc alignment bug perhaps not fully r esolved

Li Yang-r58472 LeoLi at freescale.com
Wed Jul 5 18:35:41 EST 2006


> -----Original Message-----
> From: Laurent Lagrange [mailto:lagrange at fr.oleane.com]
> Sent: Wednesday, July 05, 2006 4:26 PM
> To: Li Yang-r58472; pantelis at embeddedalley.com
> Cc: linuxppc-embedded at ozlabs.org
> Subject: RE: Linux 2.6.x : cpm_dpalloc alignment bug perhaps not fully resolved
> 
> Hi Leo,
> 
> Thanks for the reply.
> 
> The patch, I already applied, comes directly from Pantelis
> and is the same code as found at
> http://patchwork.ozlabs.org/linuxppc/patch?id=3484

Sure, it is the patch I mentioned.  Also be noted that the patch only fixes rheap in arch/ppc/.  If you are using latest 2.6 source, you are most probably using code under arch/powerpc/.
> 
> What do you mean by the alignment patch ?
> 
> I suspect a problem in the cpm_dpfree function,
> not in the cpm_dpalloc function.
> 
> I'll try to give more details.
> 
> Best regards
> Laurent
> 
> 
> 
> > -----Message d'origine-----
> > De : Li Yang-r58472 [mailto:LeoLi at freescale.com]
> > Envoyé : mer. 5 juillet 2006 03:32
> > À : Laurent Lagrange; pantelis at embeddedalley.com
> > Cc : linuxppc-embedded at ozlabs.org
> > Objet : RE: Linux 2.6.x : cpm_dpalloc alignment bug perhaps not fully
> > resolved
> >
> >
> > Did you apply the alignment patch too?  AFAIK, the problem is
> > never fixed in
> > mainstream trees.
> >
> > Best Regards,
> > Leo
> >



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