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From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Darren Hart <dvhart@infradead.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [patch 0/3] futex: Prevent inconsistent state and exit race
Date: Thu, 2 Sep 2021 13:06:13 +0200	[thread overview]
Message-ID: <YTCwJULJRc2WtKaD@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210902093755.087908334@linutronix.de>

On Thu, Sep 02, 2021 at 11:48:47AM +0200, Thomas Gleixner wrote:
> The recent requeue PI changes introduced a condition where a waiter can
> escape to user space with inconsistent state and in the worst case exit
> before state has been made correct.
> 
> The following series addresses this.
> 

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

      parent reply	other threads:[~2021-09-02 11:06 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02  9:48 [patch 0/3] futex: Prevent inconsistent state and exit race Thomas Gleixner
2021-09-02  9:48 ` [patch 1/3] " Thomas Gleixner
2021-09-02 19:55   ` [tip: locking/urgent] " tip-bot2 for Thomas Gleixner
2021-09-02 20:14   ` tip-bot2 for Thomas Gleixner
2021-09-02  9:48 ` [patch 2/3] futex: Clarify comment for requeue_pi_wake_futex() Thomas Gleixner
2021-09-02 19:55   ` [tip: locking/urgent] " tip-bot2 for Thomas Gleixner
2021-09-02 20:14   ` tip-bot2 for Thomas Gleixner
2021-09-02  9:48 ` [patch 3/3] futex: Avoid redundant task lookup Thomas Gleixner
2021-09-02 19:55   ` [tip: locking/urgent] " tip-bot2 for Thomas Gleixner
2021-09-02 20:14   ` tip-bot2 for Thomas Gleixner
2021-09-02 11:06 ` Peter Zijlstra [this message]

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