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doc: READ_ONCE() now implies smp_barrier_depends()
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 9 Oct 2017 16:15:21 +0000 (09:15 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 4 Dec 2017 18:50:08 +0000 (10:50 -0800)
commit40555946447a394889243e4393e312f65d847e1e
treee34032c0d1276b86076df9f0ad674b8850a4df08tree
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323commit | diff
doc: READ_ONCE() now implies smp_barrier_depends()

This commit updates an example in memory-barriers.txt to account for
the fact that READ_ONCE() now implies smp_barrier_depends().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Added MEMORY_BARRIER instructions from DEC Alpha from
  READ_ONCE(), per David Howells's feedback. ]
Documentation/memory-barriers.txt diff | blob | history
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