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author | Dave Hansen <dave.hansen@linux.intel.com> | 2016-07-29 19:30:10 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-09 14:02:26 +0300 |
commit | e8c6226d483cb28f55cab718065ea1b7226d40e8 (patch) | |
tree | 8928848c744638a077e5f4867ea426485c523b49 /mm | |
parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
download | linux-e8c6226d483cb28f55cab718065ea1b7226d40e8.tar.xz |
x86/pkeys: Add fault handling for PF_PK page fault bit
PF_PK means that a memory access violated the protection key
access restrictions. It is unconditionally an access_error()
because the permissions set on the VMA don't matter (the PKRU
value overrides it), and we never "resolve" PK faults (like
how a COW can "resolve write fault).
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: linux-arch@vger.kernel.org
Cc: Dave Hansen <dave@sr71.net>
Cc: arnd@arndb.de
Cc: linux-api@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: luto@kernel.org
Cc: akpm@linux-foundation.org
Cc: torvalds@linux-foundation.org
Link: http://lkml.kernel.org/r/20160729163010.DD1FE1ED@viggo.jf.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions