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From: Peter Zijlstra <peterz@infradead.org>
To: "André Almeida" <andrealmeid@collabora.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Darren Hart <dvhart@infradead.org>,
	linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	kernel@collabora.com, krisman@collabora.com,
	pgriffais@valvesoftware.com, z.figura12@gmail.com,
	joel@joelfernandes.org, malteskarupke@fastmail.fm,
	linux-api@vger.kernel.org, fweimer@redhat.com,
	libc-alpha@sourceware.org, linux-kselftest@vger.kernel.org,
	shuah@kernel.org, acme@kernel.org, corbet@lwn.net,
	Peter Oskolkov <posk@posk.io>
Subject: Re: [PATCH v3 00/13] Add futex2 syscalls
Date: Wed, 5 May 2021 14:31:42 +0200	[thread overview]
Message-ID: <YJKQLkHuTH3EWJoR@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210427231248.220501-1-andrealmeid@collabora.com>

On Tue, Apr 27, 2021 at 08:12:35PM -0300, André Almeida wrote:
> Hi,
> 
> This patch series introduces the futex2 syscalls.

I still utterly detest that this adds a second hash-table for no
descernable reason.

The new syscall interface does not depend on that in any way, you
previously implemented the multi-wait thing in the current futex code.

Like I said last time; I'm okay with the new interface, but I don't see
why you need to reimplement the insides, that's all pointless code
duplication.

  parent reply	other threads:[~2021-05-05 12:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-27 23:12 André Almeida
2021-04-27 23:12 ` [PATCH v3 01/13] futex2: Implement wait and wake functions André Almeida
2021-04-27 23:12 ` [PATCH v3 02/13] futex2: Add support for shared futexes André Almeida
2021-04-27 23:12 ` [PATCH v3 03/13] futex2: Implement vectorized wait André Almeida
2021-04-27 23:12 ` [PATCH v3 04/13] futex2: Implement requeue operation André Almeida
2021-04-27 23:12 ` [PATCH v3 05/13] futex2: Add compatibility entry point for x86_x32 ABI André Almeida
2021-04-27 23:12 ` [PATCH v3 06/13] docs: locking: futex2: Add documentation André Almeida
2021-04-27 23:12 ` [PATCH v3 07/13] selftests: futex2: Add wake/wait test André Almeida
2021-04-27 23:12 ` [PATCH v3 08/13] selftests: futex2: Add timeout test André Almeida
2021-04-27 23:12 ` [PATCH v3 09/13] selftests: futex2: Add wouldblock test André Almeida
2021-04-27 23:12 ` [PATCH v3 10/13] selftests: futex2: Add waitv test André Almeida
2021-04-27 23:12 ` [PATCH v3 11/13] selftests: futex2: Add requeue test André Almeida
2021-04-27 23:12 ` [PATCH v3 12/13] perf bench: Add futex2 benchmark tests André Almeida
2021-04-27 23:12 ` [PATCH v3 13/13] kernel: Enable waitpid() for futex2 André Almeida
2021-05-05 12:31 ` Peter Zijlstra [this message]
2021-05-05 14:23   ` [PATCH v3 00/13] Add futex2 syscalls Thomas Gleixner
2021-05-06 14:48     ` André Almeida

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