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Message-ID: <20171206234622.GZ3326@worktop> Date: Thu, 7 Dec 2017 00:46:22 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Julia Cartwright <julia@...com> Cc: Thomas Gleixner <tglx@...utronix.de>, Gratian Crisan <gratian.crisan@...com>, linux-kernel@...r.kernel.org, Darren Hart <dvhart@...radead.org>, Ingo Molnar <mingo@...hat.com> Subject: Re: PI futexes + lock stealing woes On Wed, Nov 29, 2017 at 11:56:05AM -0600, Julia Cartwright wrote: > fixup_owner() used to have additional seemingly relevant checks in place > that were removed 73d786bd043eb ("futex: Rework inconsistent > rt_mutex/futex_q state"). *groan*... yes. I completely missed that extra case also applied to requeue_pi (requeue always did hurt my brain). I got as far as actually understanding the problem; but its near 1am and I desperately need a sleep, I'll see if I can come up with a solution tomorrow. I just wanted to let you know I finally got around to looking at this..
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