From mboxrd@z Thu Jan 1 00:00:00 1970 From: vladimir.murzin@arm.com (Vladimir Murzin) Date: Fri, 19 May 2017 10:46:43 +0100 Subject: [RFC PATCH v2 4/7] ARM: NOMMU: Disallow MPU for XIP In-Reply-To: <1495187206-14303-1-git-send-email-vladimir.murzin@arm.com> References: <1495187206-14303-1-git-send-email-vladimir.murzin@arm.com> Message-ID: <1495187206-14303-5-git-send-email-vladimir.murzin@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org It seems that MPU never worked with XIP, so we just disallow such combination. Signed-off-by: Vladimir Murzin --- 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