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arm64: Add missing Kconfig for CONFIG_STRICT_DEVMEM

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The Kconfig for CONFIG_STRICT_DEVMEM is missing despite being
used in mmap.c. Add it.

Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit d253b4406d)
Signed-off-by: Mark Brown <broonie@linaro.org>

Conflicts:
	arch/arm64/Kconfig.debug
This commit is contained in:
Laura Abbott 2014-04-05 01:30:50 +01:00 • committed by Mark Brown
commit 0ee87a5c8f
1 changed files with 14 additions and 0 deletions
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14
arch/arm64/Kconfig.debug
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@ -13,6 +13,20 @@ config DEBUG_STACK_USAGE
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T output.
config STRICT_DEVMEM
bool "Filter access to /dev/mem"
depends on MMU
help
If this option is disabled, you allow userspace (root) access to all
of memory, including kernel and userspace memory. Accidental
access to this is obviously disastrous, but specific access can
be used by people debugging the kernel.
If this option is switched on, the /dev/mem file only allows
userspace access to memory mapped peripherals.
If in doubt, say Y.
config EARLY_PRINTK
bool "Early printk support"
default y