[GIT PULL] Make /dev/mem CONFIG_STRICT_DEVMEM=y the default on x86 and arm64

Mon, 29 Jan 2018 01:51:54 -0800 

Linus,

Please pull the latest core-debug-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 
core-debug-for-linus

   # HEAD: 0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Kconfig: Make STRICT_DEVMEM 
default-y on x86 and arm64

Make CONFIG_STRICT_DEVMEM default-y on x86 and arm64 as well, to follow the
distro status quo.

 Thanks,

        Ingo

------------------>
Kees Cook (1):
      Kconfig: Make STRICT_DEVMEM default-y on x86 and arm64


 lib/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 947d3e2ed5c2..39b123d04a36 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1985,7 +1985,7 @@ config STRICT_DEVMEM
        bool "Filter access to /dev/mem"
        depends on MMU && DEVMEM
        depends on ARCH_HAS_DEVMEM_IS_ALLOWED
-       default y if TILE || PPC
+       default y if TILE || PPC || X86 || ARM64
        ---help---
          If this option is disabled, you allow userspace (root) access to all
          of memory, including kernel and userspace memory. Accidental

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