rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_snap_stopped_since()

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The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, the dynticks prefix can go.

While at it, this helper is only meant to be called after failing an
earlier call to rcu_watching_snap_in_eqs(), document this in the comments
and add a WARN_ON_ONCE() for good measure.

Signed-off-by: Valentin Schneider <vschneid@redhat.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>

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Valentin Schneider 2024-04-16 17:21:25 +02:00 • committed by Neeraj Upadhyay

parent 9629936d06

commit 3116a32eb4

3 changed files with 19 additions and 8 deletions

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2

Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst

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23

kernel/rcu/tree.c

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2

kernel/rcu/tree_exp.h

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