From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org, mingo@redhat.com,
dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com,
Andrew Morton <akpm@linux-foundation.org>,
urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com,
Arnd Bergmann <arnd@arndb.de>,
linux-api@vger.kernel.org, linux-mm@kvack.org,
linux-arch@vger.kernel.org, malteskarupke@web.de
Subject: Re: [PATCH v1 02/14] futex: Extend the FUTEX2 flags
Date: Tue, 01 Aug 2023 10:49:29 +0200 [thread overview]
Message-ID: <87edknkuzq.ffs@tglx> (raw)
In-Reply-To: <20230731225959.GE51835@hirez.programming.kicks-ass.net>
On Tue, Aug 01 2023 at 00:59, Peter Zijlstra wrote:
> On Tue, Aug 01, 2023 at 12:43:24AM +0200, Thomas Gleixner wrote:
> Which then gets people to write garbage like:
>
> futex_wake(add, 0xFFFF, 1, (union futex_flags){ .flags = FUTEX2_SIZE_U16 | FUTEX2_PRIVATE));
> or
> futex_wake(add, 0xFFFF, 1, (union futex_flags){ .size = FUTEX2_SIZE_U16, private = true, ));
>
> You really want that ?
Well, people write garbage no matter what. So just keep the flags and
make the names explicit.
Note to myself: /me shouldn't look at futex patches when tired
next prev parent reply other threads:[~2023-08-01 8:49 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-21 10:22 [PATCH v1 00/14] futex: More futex2 bits Peter Zijlstra
2023-07-21 10:22 ` [PATCH v1 01/14] futex: Clarify FUTEX2 flags Peter Zijlstra
2023-07-31 16:08 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 02/14] futex: Extend the " Peter Zijlstra
2023-07-21 15:47 ` Arnd Bergmann
2023-07-21 18:52 ` Peter Zijlstra
2023-07-31 16:11 ` Thomas Gleixner
2023-07-31 16:25 ` Peter Zijlstra
2023-07-31 17:16 ` Thomas Gleixner
2023-07-31 17:35 ` Peter Zijlstra
2023-07-31 20:52 ` Thomas Gleixner
2023-07-31 17:42 ` Thomas Gleixner
2023-07-31 19:20 ` Peter Zijlstra
2023-07-31 21:14 ` Thomas Gleixner
2023-07-31 21:33 ` Peter Zijlstra
2023-07-31 22:43 ` Thomas Gleixner
2023-07-31 22:59 ` Peter Zijlstra
2023-08-01 8:49 ` Thomas Gleixner [this message]
2023-08-01 6:02 ` Arnd Bergmann
2023-07-21 10:22 ` [PATCH v1 03/14] futex: Flag conversion Peter Zijlstra
2023-07-31 16:21 ` Thomas Gleixner
2023-07-31 16:26 ` Peter Zijlstra
2023-07-21 10:22 ` [PATCH v1 04/14] futex: Validate futex value against futex size Peter Zijlstra
2023-07-31 17:12 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 05/14] futex: Add sys_futex_wake() Peter Zijlstra
2023-07-21 15:41 ` Arnd Bergmann
2023-07-21 18:54 ` Peter Zijlstra
2023-07-21 21:23 ` Arnd Bergmann
2023-07-25 7:22 ` Geert Uytterhoeven
2023-07-21 10:22 ` [PATCH v1 06/14] futex: Add sys_futex_wait() Peter Zijlstra
2023-07-25 7:22 ` Geert Uytterhoeven
2023-07-31 16:35 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 07/14] futex: Propagate flags into get_futex_key() Peter Zijlstra
2023-07-31 16:36 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 08/14] futex: Add flags2 argument to futex_requeue() Peter Zijlstra
2023-07-31 16:43 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 09/14] futex: Add sys_futex_requeue() Peter Zijlstra
2023-07-25 7:23 ` Geert Uytterhoeven
2023-07-31 17:19 ` Thomas Gleixner
2023-07-31 17:38 ` Peter Zijlstra
2023-07-21 10:22 ` [PATCH v1 10/14] mm: Add vmalloc_huge_node() Peter Zijlstra
2023-07-24 13:46 ` Christoph Hellwig
2023-07-21 10:22 ` [PATCH v1 11/14] futex: Implement FUTEX2_NUMA Peter Zijlstra
2023-07-21 12:16 ` Peter Zijlstra
2023-07-31 17:36 ` Thomas Gleixner
2023-07-31 18:03 ` Peter Zijlstra
2023-07-31 21:26 ` Thomas Gleixner
2023-07-21 10:22 ` [PATCH v1 12/14] futex: Propagate flags into futex_get_value_locked() Peter Zijlstra
2023-07-21 10:22 ` [PATCH v1 13/14] futex: Enable FUTEX2_{8,16} Peter Zijlstra
2023-07-21 10:22 ` [PATCH v1 14/14] futex,selftests: Extend the futex selftests Peter Zijlstra
2023-07-21 14:42 ` [PATCH v1 00/14] futex: More futex2 bits Jens Axboe
2023-07-21 15:49 ` Arnd Bergmann
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