Sebastian Andrzej Siewior <bige...@linutronix.de> writes: > ovs_pcpu_storage is a per-CPU variable and relies on disabled BH for its > locking. Without per-CPU locking in local_bh_disable() on PREEMPT_RT > this data structure requires explicit locking. > The data structure can be referenced recursive and there is a recursion > counter to avoid too many recursions. > > Add a local_lock_t to the data structure and use > local_lock_nested_bh() for locking. Add an owner of the struct which is > the current task and acquire the lock only if the structure is not owned > by the current task. > > Cc: Aaron Conole <acon...@redhat.com> > Cc: Eelco Chaudron <echau...@redhat.com> > Cc: Ilya Maximets <i.maxim...@ovn.org> > Cc: d...@openvswitch.org > Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de> > ---
Reviewed-by: Aaron Conole <acon...@redhat.com> _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
