* Mathieu Desnoyers ([email protected]) wrote: > * Paolo Bonzini ([email protected]) wrote: > > The first two patches are bugfixes meant for application. They allow > > using threads that are readers and writers with implementations other > > than urcu-qsbr. In addition, they allow early unregistering of > > reader threads without risking deadlock with writers. > > > > The third patch is a sample implementation of lock-free queue following > > discussion with Paul last week. > > > > They do not depend on the previous patch series. > > > > Paolo Bonzini (3): > > add rcu_thread_{on,off}line to urcu-bp and urcu > > add rcu_thread_offline before rcu_unregister_thread > > It is illegal to call rcu_unregister_thread from within a RCU read-side > critical section. So I don't see the point in adding support for > explicit thread offlining. Maybe it's a documentation issue that lead > you to assume that unregistering a thread from a read-side C.S. is > valid ?
By the way, it's also illegal to call synchronize_rcu() from a RCU read-side C.S. But I don't see exactly where your lock-free list needs to do any of these operations that would result in deadlocks ? Thanks, Mathieu > > Thanks, > > Mathieu > > > > lock-free queue with RCU-based garbage collection > > > > README | 10 +- > > tests/Makefile.am | 36 +++- > > tests/test_qsbr_lfq.c | 587 > > +++++++++++++++++++++++++++++++++++++++++++++++++ > > tests/test_urcu_lfq.c | 585 > > ++++++++++++++++++++++++++++++++++++++++++++++++ > > urcu-bp-static.h | 17 ++ > > urcu-bp.c | 26 +++ > > urcu-bp.h | 4 + > > urcu-static.h | 15 ++ > > urcu.c | 28 +++ > > urcu.h | 4 + > > 10 files changed, 1307 insertions(+), 5 deletions(-) > > create mode 100644 tests/test_qsbr_lfq.c > > create mode 100644 tests/test_urcu_lfq.c > > > > > > _______________________________________________ > > ltt-dev mailing list > > [email protected] > > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev > > > > -- > Mathieu Desnoyers > Operating System Efficiency Consultant > EfficiOS Inc. > http://www.efficios.com > > _______________________________________________ > ltt-dev mailing list > [email protected] > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev > -- Mathieu Desnoyers Operating System Efficiency Consultant EfficiOS Inc. http://www.efficios.com _______________________________________________ ltt-dev mailing list [email protected] http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
