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(parent: a4fbe35) | patch
rcu: Advise most users not to enable RCU user mode
authorFrederic Weisbecker <fweisbec@gmail.com>
Wed, 10 Oct 2012 23:48:28 +0000 (01:48 +0200)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 11 Oct 2012 00:35:01 +0000 (17:35 -0700)
commitd677124b1fc3b2706a13e92f1b329f1ac77e5f20
tree8068ec66f9adfb2ce982b627b16226c3cff23036tree | snapshot
parenta4fbe35a124526e6759be07bd9c7ea796ba1e00dcommit | diff
rcu: Advise most users not to enable RCU user mode

Discourage distros from enabling CONFIG_RCU_USER_QS
because it brings overhead for no benefits yet.

It's not a useful feature on its own until we can
fully run an adaptive tickless kernel.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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