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| author | Will Deacon <will.deacon@arm.com> | 2017-10-24 12:22:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-24 13:17:33 +0200 |
| commit | 506458efaf153c1ea480591c5602a5a3ba5a3b76 (patch) | |
| tree | c4ac0a89bf23993036720ec8883fff0740bf9019 /Documentation/memory-barriers.txt | |
| parent | locking/barriers: Add implicit smp_read_barrier_depends() to READ_ONCE() (diff) | |
| download | linux-506458efaf153c1ea480591c5602a5a3ba5a3b76.tar.xz linux-506458efaf153c1ea480591c5602a5a3ba5a3b76.zip | |
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>
Diffstat (limited to 'Documentation/memory-barriers.txt')
0 files changed, 0 insertions, 0 deletions