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From: Frederic Weisbecker <frederic@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Paul McKenney <paulmck@kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [patch V3 6/6] rcu: Prevent false positive softirq warning on RT
Date: Tue, 9 Mar 2021 14:06:20 +0100	[thread overview]
Message-ID: <20210309130620.GB236340@lothringen> (raw)
In-Reply-To: <20210309085727.626304079@linutronix.de>

On Tue, Mar 09, 2021 at 09:55:58AM +0100, Thomas Gleixner wrote:
> Soft interrupt disabled sections can legitimately be preempted or schedule
> out when blocking on a lock on RT enabled kernels so the RCU preempt check
> warning has to be disabled for RT kernels.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Tested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> Reviewed-by: Paul E. McKenney <paulmck@kernel.org>

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

  reply	other threads:[~2021-03-09 13:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09  8:55 [patch V3 0/6] softirq: Add RT specific softirq accounting Thomas Gleixner
2021-03-09  8:55 ` [patch V3 1/6] " Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:55 ` [patch V3 2/6] irqtime: Make accounting correct on RT Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:55 ` [patch V3 3/6] softirq: Move various protections into inline helpers Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:55 ` [patch V3 4/6] softirq: Make softirq control and processing RT aware Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:55 ` [patch V3 5/6] tick/sched: Prevent false positive softirq pending warnings on RT Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:55 ` [patch V3 6/6] rcu: Prevent false positive softirq warning " Thomas Gleixner
2021-03-09 13:06   ` Frederic Weisbecker [this message]
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09 14:07 ` [patch V3 0/6] softirq: Add RT specific softirq accounting Peter Zijlstra
2021-03-09 21:32 ` Paul E. McKenney

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