[PATCH 0/7] Prepare 8xx for CONFIG_STRICT_KERNEL_RWX
From: Christophe Leroy
Date: Wed Jul 12 2017 - 06:09:08 EST
This serie makes the PINning of ITLBs optional in the 8xx
in order to allow STRICT_KERNEL_RWX to work properly
Christophe Leroy (7):
powerpc/8xx: Ensures RAM mapped with LTLB is seen as block mapped on
8xx.
powerpc/8xx: Remove macro that checks kernel address
powerpc/32: Avoid risk of unrecoverable TLBmiss inside entry_32.S
powerpc/8xx: Make pinning of ITLBs optional
powerpc/8xx: Do not allow Pinned TLBs with STRICT_KERNEL_RWX or
DEBUG_PAGEALLOC
powerpc/8xx: mark init functions with __init
powerpc/8xx: Reduce DTLB miss handler by one insn
arch/powerpc/Kconfig | 13 +++++-
arch/powerpc/kernel/entry_32.S | 7 +++
arch/powerpc/kernel/head_8xx.S | 96 +++++++++++++++++++++++++++++-------------
arch/powerpc/mm/8xx_mmu.c | 29 ++++++++++---
4 files changed, 107 insertions(+), 38 deletions(-)
--
2.12.0