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atomic: Add atomic_or()
authorPaul E. McKenney <paul.mckenney@linaro.org>
Wed, 11 May 2011 12:33:33 +0000 (05:33 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 26 May 2011 16:42:24 +0000 (09:42 -0700)
An atomic_or() function is needed by TREE_RCU to avoid deadlock, so
add a generic version.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

No differences found
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