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authorWill Deacon <will.deacon@arm.com>2017-10-24 11:22:48 +0100
committerIngo Molnar <mingo@kernel.org>2017-10-24 13:17:33 +0200
commit506458efaf153c1ea480591c5602a5a3ba5a3b76 (patch)
treec4ac0a89bf23993036720ec8883fff0740bf9019 /Documentation
parent76ebbe78f7390aee075a7f3768af197ded1bdfbb (diff)
locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
READ_ONCE() now has an implicit smp_read_barrier_depends() call, so it can be used instead of lockless_dereference() without any change in semantics. Signed-off-by: Will Deacon <will.deacon@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1508840570-22169-4-git-send-email-will.deacon@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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