linux-kernel - Re: [PATCH v2 17/27] rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_in

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Message-ID: <ZjotdJwp3RXkrA7S@localhost.localdomain>
Date: Tue, 7 May 2024 15:32:36 +0200
From: Frederic Weisbecker <frederic@...nel.org>
To: Valentin Schneider <vschneid@...hat.com>
Cc: rcu@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Neeraj Upadhyay <quic_neeraju@...cinc.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Josh Triplett <josh@...htriplett.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Zqiang <qiang.zhang1211@...il.com>
Subject: Re: [PATCH v2 17/27] rcu: Rename rcu_dynticks_in_eqs() into
 rcu_watching_in_eqs()

Le Tue, Apr 30, 2024 at 11:17:21AM +0200, Valentin Schneider a écrit :
> The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
> RCU_WATCHING, reflect that change in the related helpers.
> 
> Signed-off-by: Valentin Schneider <vschneid@...hat.com>
> ---
>  kernel/rcu/tree.c       | 8 ++++----
>  kernel/rcu/tree_exp.h   | 2 +-
>  kernel/rcu/tree_stall.h | 2 +-
>  3 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index 857c2565efeac..d772755ccd564 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -308,9 +308,9 @@ static int rcu_watching_snap(int cpu)
>  
>  /*
>   * Return true if the snapshot returned from rcu_watching_snap()
> - * indicates that RCU is in an extended quiescent state.
> + * indicates that RCU in an extended quiescent state (not watching).

*is in

>   */
> -static bool rcu_dynticks_in_eqs(int snap)
> +static bool rcu_watching_in_eqs(int snap)

I would be tempted to propose rcu_watching_snap_in_eqs() but the
purpose is not to dissuade people from intoning RCU code after all.

Reviewed-by: Frederic Weisbecker <frederic@...nel.org>