From: Jens Axboe <axboe@kernel.dk>
To: Thomas Gleixner <tglx@linutronix.de>,
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>,
"André 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)
Date: Wed, 15 Jan 2025 10:07:34 -0700 [thread overview]
Message-ID: <f86765f7-80ee-4247-ae65-70638366dbb7@kernel.dk> (raw)
In-Reply-To: <87msfsatyb.ffs@tglx>
On 1/15/25 10:05 AM, Thomas Gleixner wrote:
> 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 :)
It would not be a good assumption if it was backed by fact checking ;-)
>> What do you think?
>
> Looks about right.
OK thanks, fwiw I did send it out as a proper patch as well.
--
Jens Axboe
prev parent reply other threads:[~2025-01-15 17:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-10 22:26 futex+io_uring: futex_q::task can maybe be dangling (but is not actually accessed, so it's fine) Jann Horn
2025-01-11 3:33 ` Jens Axboe
2025-01-13 13:53 ` Jann Horn
2025-01-13 14:38 ` Peter Zijlstra
2025-01-13 14:41 ` Jens Axboe
2025-01-15 10:20 ` Thomas Gleixner
2025-01-15 15:23 ` Jens Axboe
2025-01-15 15:32 ` Jens Axboe
2025-01-15 17:05 ` Thomas Gleixner
2025-01-15 17:07 ` Jens Axboe [this message]
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