[PATCH 2/4] ARM: mm: don't use the access flag permissions mechanism for classic MMU

Will Deacon will.deacon at arm.com
Thu Sep 20 11:56:43 EDT 2012


The simplified access permissions model is not used for the classic MMU
translation regime, so ensure that it is turned off in the sctlr prior
to turning on address translation for ARMv7.

Signed-off-by: Will Deacon <will.deacon at arm.com>
---
 arch/arm/mm/proc-v7-2level.S |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S
index fd045e7..e37600b 100644
--- a/arch/arm/mm/proc-v7-2level.S
+++ b/arch/arm/mm/proc-v7-2level.S
@@ -161,11 +161,11 @@ ENDPROC(cpu_v7_set_pte_ext)
 	 *  TFR   EV X F   I D LR    S
 	 * .EEE ..EE PUI. .T.T 4RVI ZWRS BLDP WCAM
 	 * rxxx rrxx xxx0 0101 xxxx xxxx x111 xxxx < forced
-	 *    1    0 110       0011 1100 .111 1101 < we want
+	 *   01    0 110       0011 1100 .111 1101 < we want
 	 */
 	.align	2
 	.type	v7_crval, #object
 v7_crval:
-	crval	clear=0x0120c302, mmuset=0x10c03c7d, ucset=0x00c01c7c
+	crval	clear=0x2120c302, mmuset=0x10c03c7d, ucset=0x00c01c7c
 
 	.previous
-- 
1.7.4.1




More information about the linux-arm-kernel mailing list