The patch titled
Subject: lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
has been added to the -mm tree. Its filename is
let-config_strict_devmem-depends-on-config_devmem.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/let-config_strict_devmem-depends-on-config_devmem.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/let-config_strict_devmem-depends-on-config_devmem.patch
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------------------------------------------------------
From: Dave Young <dyoung@xxxxxxxxxx>
Subject: lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
With CONFIG_DEVMEM not set, CONFIG_STRICT_DEVMEM will be useless even if
it is set =y, thus let's update the dependency in Kconfig.
Link: http://lkml.kernel.org/r/20161006051217.GA31027@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN lib/Kconfig.debug~let-config_strict_devmem-depends-on-config_devmem lib/Kconfig.debug
--- a/lib/Kconfig.debug~let-config_strict_devmem-depends-on-config_devmem
+++ a/lib/Kconfig.debug
@@ -1972,7 +1972,7 @@ config ARCH_HAS_DEVMEM_IS_ALLOWED
config STRICT_DEVMEM
bool "Filter access to /dev/mem"
- depends on MMU
+ depends on MMU && DEVMEM
depends on ARCH_HAS_DEVMEM_IS_ALLOWED
default y if TILE || PPC
---help---
_
Patches currently in -mm which might be from dyoung@xxxxxxxxxx are
let-config_strict_devmem-depends-on-config_devmem.patch
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