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[v3,4/8] ARM: NOMMU: Disallow MPU for XIP

Message ID 1506330344-31556-5-git-send-email-vladimir.murzin@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vladimir Murzin Sept. 25, 2017, 9:05 a.m. UTC 
It seems that MPU never worked with XIP, so we just disallow such
combination.

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

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