tree 74232e98afcd9f41a420bc8f87dd2c9d024914ff
parent e29949ed3903930e38dead204b01e7912c98fe33
author James Morse <james.morse@arm.com> 1454428439 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1481820563 -0800

arm64: futex.h: Add missing PAN toggling

commit 811d61e384e24759372bb3f01772f3744b0a8327 upstream.

futex.h's futex_atomic_cmpxchg_inatomic() does not use the
__futex_atomic_op() macro and needs its own PAN toggling. This was missed
when the feature was implemented.

Fixes: 338d4f49d6f ("arm64: kernel: Add support for Privileged Access Never")
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>