From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Thomas Gleixner" <tglx@kernel.org>,
"André Almeida" <andrealmeid@igalia.com>,
linux-kernel@vger.kernel.org,
"Carlos O'Donell" <carlos@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Florian Weimer" <fweimer@redhat.com>,
"Rich Felker" <dalias@aerifal.cx>,
"Torvald Riegel" <triegel@redhat.com>,
"Darren Hart" <dvhart@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"Arnd Bergmann" <arnd@arndb.de>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>
Subject: Re: [RFC PATCH] futex: Introduce __vdso_robust_futex_unlock
Date: Fri, 13 Mar 2026 14:29:44 +0100 [thread overview]
Message-ID: <20260313132944.TAaKXCcH@linutronix.de> (raw)
In-Reply-To: <bace99d7-85f4-4e09-8077-e9110b9dadc7@efficios.com>
On 2026-03-13 08:17:57 [-0400], Mathieu Desnoyers wrote:
> and here we are.
I would still prefer a "small" solution which is expensive in the
unlikely case if it has to be.
Your vdso version includes asm code which needs to be implemented by
every architecture. The exception table did not look like something that
universally available. Also, if we take this seriously it needs to be
backported to every stable kernel.
> Thanks,
>
> Mathieu
>
Sebastian
next prev parent reply other threads:[~2026-03-13 13:29 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-11 18:54 [RFC PATCH] futex: Introduce __vdso_robust_futex_unlock Mathieu Desnoyers
2026-03-11 20:11 ` Mathieu Desnoyers
2026-03-12 8:49 ` Florian Weimer
2026-03-12 13:13 ` Mathieu Desnoyers
2026-03-12 14:12 ` Florian Weimer
2026-03-12 14:14 ` André Almeida
2026-03-12 16:09 ` Mathieu Desnoyers
2026-03-12 13:46 ` André Almeida
2026-03-12 14:04 ` Mathieu Desnoyers
2026-03-12 18:40 ` Mathieu Desnoyers
2026-03-12 18:58 ` André Almeida
2026-03-12 19:10 ` Thomas Gleixner
2026-03-12 19:16 ` Mathieu Desnoyers
2026-03-13 8:20 ` Florian Weimer
2026-03-12 20:19 ` Thomas Gleixner
2026-03-12 21:28 ` Mathieu Desnoyers
2026-03-12 22:23 ` Thomas Gleixner
2026-03-12 22:52 ` Mathieu Desnoyers
2026-03-13 12:12 ` Sebastian Andrzej Siewior
2026-03-13 12:17 ` Mathieu Desnoyers
2026-03-13 13:29 ` Sebastian Andrzej Siewior [this message]
2026-03-13 13:35 ` Mathieu Desnoyers
2026-03-16 17:12 ` Thomas Gleixner
2026-03-16 19:36 ` Mathieu Desnoyers
2026-03-16 20:27 ` Thomas Gleixner
2026-03-16 21:01 ` Mathieu Desnoyers
2026-03-16 22:19 ` Thomas Gleixner
2026-03-16 22:30 ` Mathieu Desnoyers
2026-03-16 23:29 ` Thomas Gleixner
2026-03-20 18:13 ` Mathieu Desnoyers
2026-03-24 21:35 ` Thomas Gleixner
2026-03-25 14:12 ` Mathieu Desnoyers
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