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Subject[PATCH tip/core/rcu 0/5] Pre-gp_seq miscellaneous fixes for v4.19
Hello!

The following miscellaneous fixes come before the infamous ->gp_seq
conversion:

1. Add debugging info to the assertion detecting tasks queued on
the ->blkd_tasks list at unexpected times.

2. Use the proper lockdep annotation in dump_blkd_tasks(), courtesy
of Boqun Feng.

3. Exclude near-simultaneous RCU CPU stall warnings, thus reducing
the probability of interleaved (and thus inscrutable) warnings.

4. Add diagnostics for failure to respond to a request for a new
grace period.

5. Make rcu_gp_cleanup() write only once to ->gp_flags.

Thanx, Paul

------------------------------------------------------------------------

tree.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++------------
tree.h | 4 ++
tree_plugin.h | 40 ++++++++++++++++++++++-
3 files changed, 119 insertions(+), 22 deletions(-)

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