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From: Peter Zijlstra <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], [email protected],
	[email protected]
Subject: Re: [PATCH 06/10] io_uring: add support for futex wake and wait
Date: Fri, 21 Jul 2023 13:37:18 +0200	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On Fri, Jul 21, 2023 at 01:30:31PM +0200, Peter Zijlstra wrote:

Sorry, I was too quick..

	iof->uaddr = sqe->addr;
	iof->val   = sqe->futex_val;
	iof->mask  = sqe->futex_mask;
	flags      = sqe->futex_flags;

	if (flags & ~FUTEX2_MASK)
		return -EINVAL;

	iof->flags = futex2_to_flags(flags);
	if (!futex_flags_valid(iof->flags))
		return -EINVAL;

	if (!futex_validate_input(iof->flags, iof->val) ||
	    !futex_validate_input(iof->flags, iof->mask))
		return -EINVAL



  reply	other threads:[~2023-07-21 11:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20 22:18 [PATCHSET v3 0/10] Add io_uring futex/futexv support Jens Axboe
2023-07-20 22:18 ` [PATCH 01/10] futex: Clarify FUTEX2 flags Jens Axboe
2023-07-20 22:18 ` [PATCH 02/10] futex: Extend the " Jens Axboe
2023-07-20 22:18 ` [PATCH 03/10] futex: Flag conversion Jens Axboe
2023-07-20 22:18 ` [PATCH 04/10] futex: factor out the futex wake handling Jens Axboe
2023-07-20 22:18 ` [PATCH 05/10] futex: abstract out a __futex_wake_mark() helper Jens Axboe
2023-07-20 22:18 ` [PATCH 06/10] io_uring: add support for futex wake and wait Jens Axboe
2023-07-21 11:30   ` Peter Zijlstra
2023-07-21 11:37     ` Peter Zijlstra [this message]
2023-07-21 14:43       ` Jens Axboe
2023-07-21 15:29         ` Jens Axboe
2023-07-25 13:00           ` Peter Zijlstra
2023-07-25 13:48             ` Jens Axboe
2023-07-25 13:57               ` Jens Axboe
2023-07-25 15:19                 ` Peter Zijlstra
2023-07-25 20:42                   ` Jens Axboe
2023-07-25 21:24                     ` Jens Axboe
2023-07-25 14:06               ` Peter Zijlstra
2023-07-20 22:18 ` [PATCH 07/10] futex: add wake_data to struct futex_q Jens Axboe
2023-07-20 22:18 ` [PATCH 08/10] futex: make futex_parse_waitv() available as a helper Jens Axboe
2023-07-20 22:18 ` [PATCH 09/10] futex: make the vectored futex operations available Jens Axboe
2023-07-20 22:18 ` [PATCH 10/10] io_uring: add support for vectored futex waits Jens Axboe

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