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Date: Wed, 5 Mar 2025 21:54:37 +0100
From: Frederic Weisbecker <frederic@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Anna-Maria Behnsen <anna-maria@linutronix.de>,
	Benjamin Segall <bsegall@google.com>,
	Eric Dumazet <edumazet@google.com>,
	Andrey Vagin <avagin@openvz.org>,
	Pavel Tikhomirov <ptikhomirov@virtuozzo.com>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [patch V2 02/17] posix-timers: Add cond_resched() to
 posix_timer_add() search loop
Message-ID: <Z8i6DafohTLE_Zoj@pavilion.home>
References: <20250302185753.311903554@linutronix.de>
 <20250302193627.037768273@linutronix.de>
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Le Sun, Mar 02, 2025 at 08:36:46PM +0100, Thomas Gleixner a écrit :
> From: Eric Dumazet <edumazet@google.com>
> 
> With a large number of POSIX timers the search for a valid ID might cause a
> soft lockup on PREEMPT_NONE/VOLUNTARY kernels.
> 
> Add cond_resched() to the loop to prevent that.
> 
> [ tglx: Split out from Eric's series ]
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Link: https://lore.kernel.org/all/20250214135911.2037402-2-edumazet@google.com

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