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| author | Dave Hansen | 2016-07-29 18:30:10 +0200 |
|---|---|---|
| committer | Thomas Gleixner | 2016-09-09 13:02:26 +0200 |
| commit | e8c6226d483cb28f55cab718065ea1b7226d40e8 (patch) | |
| tree | 8928848c744638a077e5f4867ea426485c523b49 /mm/mprotect.c | |
| parent | Linux 4.8-rc5 (diff) | |
| download | kernel-qcow2-linux-e8c6226d483cb28f55cab718065ea1b7226d40e8.tar.gz kernel-qcow2-linux-e8c6226d483cb28f55cab718065ea1b7226d40e8.tar.xz kernel-qcow2-linux-e8c6226d483cb28f55cab718065ea1b7226d40e8.zip | |
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/mprotect.c')
0 files changed, 0 insertions, 0 deletions