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From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: chenjie6@huawei.com, linux-kernel@vger.kernel.org,
	dvhart@infradead.org, mingo@redhat.com, zengweilin@huawei.com
Subject: Re: [PATCH] futex:fix robust futex alignment exception
Date: Mon, 18 Mar 2019 11:48:52 +0100	[thread overview]
Message-ID: <20190318104852.GL6058@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.21.1903171534590.9068@nanos.tec.linutronix.de>

On Sun, Mar 17, 2019 at 03:36:35PM +0100, Thomas Gleixner wrote:
> On Fri, 15 Mar 2019, Peter Zijlstra wrote:

> > That is; why aren't there any alignment tests anywhere? Or am I just
> > gone blind?
> 
> uaddrs for the futex syscalls are checked in get_futex_key().

blind it is...

Thanks!

  reply	other threads:[~2019-03-18 10:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-15  3:44 [PATCH] futex:fix robust futex alignment exception chenjie6
2019-03-15  8:41 ` Peter Zijlstra
2019-03-17 14:36   ` Thomas Gleixner
2019-03-18 10:48     ` Peter Zijlstra [this message]
2019-03-18 11:35       ` Chenjie (K)
2019-03-22 12:10 ` [tip:locking/urgent] futex: Ensure that futex address is aligned in handle_futex_death() tip-bot for Chen Jie

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