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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-08-19 21:43:09 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-08-20 09:00:18 -0700
commit65e6bf484c497f02d47a0faae69ee398cd59cfda (patch)
tree644a86b779a196da7c050cde9de593c413e0cc1e /drivers/vhost
parent80dcf60e6b97c7363971e7a0a788d8484d35f8a6 (diff)
rcu: add comment stating that list_empty() applies to RCU-protected lists
Because list_empty() does not dereference any RCU-protected pointers, and further does not pass such pointers to the caller (so that the caller does not dereference them either), it is safe to use list_empty() on RCU-protected lists. There is no need for a list_empty_rcu(). This commit adds a comment stating this explicitly. Requested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/vhost')
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