Subject: Re: [PATCH v2 13/25] powerpc/8xx: also use r3 in the ITLB miss in all situations

From: Scott Wood <[email-masked]>
Date: Tue, 6 Oct 2015 11:48:09 -0500

On Tue, 2015-10-06 at 16:12 +0200, Christophe Leroy wrote:
> Le 29/09/2015 02:00, Scott Wood a écrit :
> > On Tue, Sep 22, 2015 at 06:50:54PM +0200, Christophe Leroy wrote:
> > > We are spending between 40 and 160 cycles with a mean of 65 cycles
> > > in the TLB handling routines (measured with mftbl) so make it more
> > > simple althought it adds one instruction
> > > 
> > > Signed-off-by: Christophe Leroy <[email-masked]>
> > > ---
> > > No change in v2
> > > 
> > >   arch/powerpc/kernel/head_8xx.S | 15 ++++-----------
> > >   1 file changed, 4 insertions(+), 11 deletions(-)
> > Why is this a separate patch from 1/25?
> > 
> > Same comments as on that patch.
> > 
> > 
> Just because here there is no real need behind the simplification of the 
> code, whereas the first one was a pre-requisite for the following patch.
> Should I merge them together anyway ?

If there's no real need, why do it?  It's not really a major readability 
enhancement...

-Scott