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Date: Mon, 22 Jan 2024 23:22:13 +0100
From: Frederic Weisbecker <frederic@kernel.org>
To: Anna-Maria Behnsen <anna-maria@linutronix.de>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	John Stultz <jstultz@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Eric Dumazet <edumazet@google.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Arjan van de Ven <arjan@infradead.org>,
	"Paul E . McKenney" <paulmck@kernel.org>,
	Rik van Riel <riel@surriel.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Sebastian Siewior <bigeasy@linutronix.de>,
	Giovanni Gherdovich <ggherdovich@suse.cz>,
	Lukasz Luba <lukasz.luba@arm.com>,
	"Gautham R . Shenoy" <gautham.shenoy@amd.com>,
	Srinivas Pandruvada <srinivas.pandruvada@intel.com>,
	K Prateek Nayak <kprateek.nayak@amd.com>
Subject: Re: [PATCH v10 04/20] timers: Optimization for
 timer_base_try_to_set_idle()
Message-ID: <Za7qlSikzxTaaUq4@pavilion.home>
References: <20240115143743.27827-1-anna-maria@linutronix.de>
 <20240115143743.27827-5-anna-maria@linutronix.de>
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In-Reply-To: <20240115143743.27827-5-anna-maria@linutronix.de>

Le Mon, Jan 15, 2024 at 03:37:27PM +0100, Anna-Maria Behnsen a ?crit :
> When tick is stopped also the timer base is_idle flag is set. When
> reentering the timer_base_try_to_set_idle() with the tick stopped, there is
> no need to check whether the timer base needs to be set idle again. When a
> timer was enqueued in the meantime, this is already handled by the
> tick_nohz_next_event() call which was executed before
> tick_nohz_stop_tick().
> 
> Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>

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