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(-) -- 2.1.0
