git.zerfleddert.de Git - ms2-kexec/blob - kernel-patches/0001-arm-invalidate-TLBs-when-enabling-mmu.patch

   1 From f8a6bbe8437ae48f5638a58472e5bb8c3f9101cf Mon Sep 17 00:00:00 2001
   2 From: Saeed Bishara <saeed@marvell.com>
   3 Date: Sun, 14 Feb 2010 18:28:46 +0200
   4 Subject: [PATCH] arm: invalidate TLBs when enabling mmu
   5
   6
   7 Signed-off-by: Saeed Bishara <saeed@marvell.com>
   8 ---
   9  arch/arm/boot/compressed/head.S |    1 +
  10  1 files changed, 1 insertions(+), 0 deletions(-)
  11
  12 diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
  13 index 40ef902..f421d06 100644
  14 --- a/arch/arm/boot/compressed/head.S
  15 +++ b/arch/arm/boot/compressed/head.S
  16 @@ -481,6 +481,7 @@ __armv7_mmu_cache_on:
  17                 mcr     p15, 0, r0, c1, c0, 0   @ load control register
  18                 mrc     p15, 0, r0, c1, c0, 0   @ and read it back
  19                 mov     r0, #0
  20 +               mcr     p15, 0, r0, c8, c7, 0   @ invalidate I,D TLBs
  21                 mcr     p15, 0, r0, c7, c5, 4   @ ISB
  22                 mov     pc, r12
  23
  24 --
  25 1.6.0.4
  26