Sorry please ignore this report -- according to Peter:
This is fixed by commit:
02a7c234e540 ("rcu: Suppress lockdep false-positive ->boost_mtx complaints")
The problem is that RCU boosting was mixing futex and !futex rt_mutex
ops.
On Tue, Nov 07, 2017 at 09:59:01AM +0800, Fengguang Wu wrote:
Hi,
Here is a warning in v4.14-rc8 -- it's not necessarily a new bug.
[ 266.395343] rcu-torture: rcu_torture_fakewriter task started
[ 266.396862] rcu-torture: Creating rcu_torture_reader task
[ 266.416970] rcu-torture: Creating rcu_torture_stats task
[ 266.458705]
[ 266.459151] ==
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