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From: Thomas Gleixner <tglx@linutronix.de>
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To: Jens Axboe <axboe@kernel.dk>, Peter Zijlstra <peterz@infradead.org>
Cc: Jann Horn <jannh@google.com>, Ingo Molnar <mingo@redhat.com>, Darren
 Hart <dvhart@infradead.org>, Davidlohr Bueso <dave@stgolabs.net>,
 =?utf-8?Q?Andr=C3=A9?=
 Almeida <andrealmeid@igalia.com>, kernel list
 <linux-kernel@vger.kernel.org>, Pavel Begunkov <asml.silence@gmail.com>,
 io-uring <io-uring@vger.kernel.org>
Subject: Re: futex+io_uring: futex_q::task can maybe be dangling (but is not
 actually accessed, so it's fine)
In-Reply-To: <5603e468-9891-46a3-9ef7-13830cc975e5@kernel.dk>
References: <CAG48ez2HHU+vSCcurs5TsFXiEfUhLSXbEzcugBSTBZgBWkzpuA@mail.gmail.com>
 <3b78348b-a804-4072-b088-9519353edb10@kernel.dk>
 <20250113143832.GH5388@noisy.programming.kicks-ass.net>
 <877c6wcra6.ffs@tglx> <30a6d768-b1b8-4adf-8ff0-9f54edde9605@kernel.dk>
 <5603e468-9891-46a3-9ef7-13830cc975e5@kernel.dk>
Date: Wed, 15 Jan 2025 18:05:32 +0100
Message-ID: <87msfsatyb.ffs@tglx>
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On Wed, Jan 15 2025 at 08:32, Jens Axboe wrote:
> Here's the raw patch. Should've done this initially rather than just
> tackle __futex_queue(), for some reason I thought/assumed that
> futex_queue() was more widely used.

'git grep' is pretty useful to validate such assumptions :)

> What do you think?

Looks about right.

Thanks,

        tglx