On Sun, Mar 05, 2017 at 11:48:17AM +0100, Dmitry Vyukov wrote:
> rcu_seq_end() increments seq signifying completion of a grace period,
> after that checks that the seq is even and wakes
> _synchronize_rcu_expedited(). _synchronize_rcu_expedited() uses
> wait_event() to wait for even seq. The proble
rcu_seq_end() increments seq signifying completion of a grace period,
after that checks that the seq is even and wakes
_synchronize_rcu_expedited(). _synchronize_rcu_expedited() uses
wait_event() to wait for even seq. The problem is that wait_event()
can return as soon as seq becomes even without w
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