[PATCH v2 0/3] Optimisation on 8xx prior to hugepage implementation

From: Christophe Leroy
Date: Fri Sep 16 2016 - 03:03:08 EST

This serie is a prologue of hugepage implementation on the 8xx.
It some how optimises the DTLBMiss handler while allowing at the
same time to hook the hugepage handling that will be introduced in
a subsequent patch serie.

v1 of those patches was part of a serie identified
"powerpc/8xx: implementation of huge pages"

Christophe Leroy (3):
powerpc/8xx: use r3 to scratch CR in ITLBmiss
powerpc/8xx: Move additional DTLBMiss handlers out of exception area
powerpc/8xx: make user addr DTLB miss the short path

arch/powerpc/kernel/head_8xx.S | 134 +++++++++++++++++++----------------------
1 file changed, 62 insertions(+), 72 deletions(-)