From 3116a32eb40464de61828787c21f0629a1c26cfa Mon Sep 17 00:00:00 2001 From: Valentin Schneider Date: Tue, 16 Apr 2024 17:21:25 +0200 Subject: rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_snap_stopped_since() 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 Reviewed-by: Frederic Weisbecker Signed-off-by: Neeraj Upadhyay --- Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation/RCU') diff --git a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst index 2d7036ad7476..7163d0def34e 100644 --- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst +++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst @@ -150,7 +150,7 @@ This case is handled by calls to the strongly ordered is invoked within ``rcu_dynticks_eqs_enter()`` at idle-entry time and within ``rcu_dynticks_eqs_exit()`` at idle-exit time. The grace-period kthread invokes first ``ct_rcu_watching_cpu_acquire()`` -(preceded by a full memory barrier) and ``rcu_dynticks_in_eqs_since()`` +(preceded by a full memory barrier) and ``rcu_watching_snap_stopped_since()`` (both of which rely on acquire semantics) to detect idle CPUs. +-----------------------------------------------------------------------+ -- cgit