[PATCH 4/7] ARM: NOMMU: Disallow MPU for XIP

Vladimir Murzin vladimir.murzin at arm.com
Tue Jun 13 02:05:04 PDT 2017


It seems that MPU never worked with XIP, so we just disallow such
combination.

Tested-by: Szemző András <sza at esh.hu>
Signed-off-by: Vladimir Murzin <vladimir.murzin at arm.com>
---
 arch/arm/Kconfig-nommu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu
index b757634..6d18395 100644
--- a/arch/arm/Kconfig-nommu
+++ b/arch/arm/Kconfig-nommu
@@ -52,7 +52,7 @@ config REMAP_VECTORS_TO_RAM
 
 config ARM_MPU
        bool 'Use the ARM v7 PMSA Compliant MPU'
-       depends on CPU_V7
+       depends on !XIP_KERNEL && CPU_V7
        default y
        help
          Some ARM systems without an MMU have instead a Memory Protection
-- 
2.0.0




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