diff options
| author | Laura Abbott <lauraa@codeaurora.org> | 2014-04-05 01:30:50 +0100 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-04-16 21:36:52 +0900 |
| commit | 129ae0f364587d2a6b17db3f17910243e8a98912 (patch) | |
| tree | 93857b0801a68b10e40983efa8feb0d7a359df28 /arch | |
| parent | 947f2b1c543d62cfc876c5b1ce8e13d08181adf8 (diff) | |
| download | linux-3.10-129ae0f364587d2a6b17db3f17910243e8a98912.tar.gz linux-3.10-129ae0f364587d2a6b17db3f17910243e8a98912.tar.bz2 linux-3.10-129ae0f364587d2a6b17db3f17910243e8a98912.zip | |
arm64: Add missing Kconfig for CONFIG_STRICT_DEVMEM
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/Kconfig.debug | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug index 835c559786b..d10ec334c93 100644 --- a/arch/arm64/Kconfig.debug +++ b/arch/arm64/Kconfig.debug @@ -6,6 +6,20 @@ config FRAME_POINTER bool default y +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 |