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(parent: 24b2767) | patch
ARM: make vectors page inaccessible from userspace
authorRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 31 Jul 2013 20:58:56 +0000 (21:58 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 1 Aug 2013 13:31:58 +0000 (14:31 +0100)
commit387526cd41967ecd50ee36e18334c7a483215059
tree71a32103b6df2be4fac877c60cdda2d9fe46e3a5tree | snapshot
parent24b27675b3bc66618c09d80540576202c48769dfcommit | diff
ARM: make vectors page inaccessible from userspace

If kuser helpers are not provided by the kernel, disable user access to
the vectors page.  With the kuser helpers gone, there is no reason for
this page to be visible to userspace.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/include/asm/page.h diff | blob | history
arch/arm/kernel/process.c diff | blob | history
arch/arm/mm/mmu.c diff | blob | history
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