Re: [PATCH 6/7] powerpc/mm: 64-bit: tlb handler micro-optimization

2011-05-18 Thread Scott Wood
On Thu, 19 May 2011 07:54:48 +1000 Benjamin Herrenschmidt wrote: > On Wed, 2011-05-18 at 16:51 -0500, Scott Wood wrote: > > On Thu, 19 May 2011 07:37:47 +1000 > > Benjamin Herrenschmidt wrote: > > > > > On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > > > > A little more speed up measured

Re: [PATCH 6/7] powerpc/mm: 64-bit: tlb handler micro-optimization

2011-05-18 Thread Benjamin Herrenschmidt
On Wed, 2011-05-18 at 16:51 -0500, Scott Wood wrote: > On Thu, 19 May 2011 07:37:47 +1000 > Benjamin Herrenschmidt wrote: > > > On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > > > A little more speed up measured on e5500. > > > > > > Setting of U0-3 is dropped as it is not used by Linux a

Re: [PATCH 6/7] powerpc/mm: 64-bit: tlb handler micro-optimization

2011-05-18 Thread Scott Wood
On Thu, 19 May 2011 07:37:47 +1000 Benjamin Herrenschmidt wrote: > On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > > A little more speed up measured on e5500. > > > > Setting of U0-3 is dropped as it is not used by Linux as far as I can > > see. > > Please keep them for now. If your core

Re: [PATCH 6/7] powerpc/mm: 64-bit: tlb handler micro-optimization

2011-05-18 Thread Benjamin Herrenschmidt
On Wed, 2011-05-18 at 16:05 -0500, Scott Wood wrote: > A little more speed up measured on e5500. > > Setting of U0-3 is dropped as it is not used by Linux as far as I can > see. Please keep them for now. If your core doesn't have them, make them an MMU feature. Cheers, Ben. > Signed-off-by: Sco