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(parent: ccf97fe) | 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)
commit4e8b59dce40f3bf22165f3a72f36dd31cc1dd2af
tree71a32103b6df2be4fac877c60cdda2d9fe46e3a5tree | snapshot
parentccf97fe6047808cb3dc69e62dc68898944cfa466commit | 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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