On Mon, May 04, 2020 at 10:15:32AM -0700, Paul E. McKenney wrote:
> On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote:
> > These patches clean up the usage of dynticks nesting counters simplifying the
> > code, while preserving the usecases.
> >
> > It is a much needed simplification, makes the code less confusing, and prevents
> > future bugs such as those that arise from forgetting that the
> > dynticks_nmi_nesting counter is not a simple counter and can be "crowbarred" in
> > common situations.
> >
> > rcutorture testing with all TREE RCU configurations succeed with
> > CONFIG_RCU_EQS_DEBUG=y and CONFIG_PROVE_LOCKING=y.
> >
> > v1->v2:
> > - Rebase on v5.6-rc6
> >
> > v2->v3:
> > - Rebase on rcu/dev with adjustments for tasks-RCU.
>
> Thank you!
>
> But this does not apply to any of v5.6-rc6, v5.7-rc1, or v5.7-rc2.
>
> Where should I be trying to apply it?
OK, morning blindness overcome. I new see the "rcu/dev" in v2->v3.
Please accept my apologies for the noise.
Thanx, Paul
> > Joel Fernandes (Google) (4):
> > Revert b8c17e6664c4 ("rcu: Maintain special bits at bottom of
> > ->dynticks counter")
> > rcu/tree: Add better tracing for dyntick-idle
> > rcu/tree: Clean up dynticks counter usage
> > rcu/tree: Remove dynticks_nmi_nesting counter
> >
> > Madhuparna Bhowmik (1):
> > trace: events: rcu: Change description of rcu_dyntick trace event
> >
> > .../Data-Structures/Data-Structures.rst | 31 +--
> > Documentation/RCU/stallwarn.rst | 6 +-
> > include/linux/rcutiny.h | 3 -
> > include/trace/events/rcu.h | 29 +--
> > kernel/rcu/rcu.h | 4 -
> > kernel/rcu/tree.c | 199 +++++++-----------
> > kernel/rcu/tree.h | 4 +-
> > kernel/rcu/tree_stall.h | 4 +-
> > 8 files changed, 110 insertions(+), 170 deletions(-)
> >
> > --
> > 2.26.2.526.g744177e7f7-goog
> >
