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From: Thomas Gleixner <tglx@kernel.org>
To: "André Almeida" <andrealmeid@igalia.com>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Darren Hart" <dvhart@infradead.org>,
	"Davidlohr Bueso" <dave@stgolabs.net>,
	"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Carlos O'Donell" <carlos@redhat.com>,
	"Florian Weimer" <fweimer@redhat.com>,
	"Darren Hart" <dvhart@infradead.org>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Thomas Weißschuh" <linux@weissschuh.net>
Cc: linux-kernel@vger.kernel.org, kernel-dev@igalia.com,
	"André Almeida" <andrealmeid@igalia.com>
Subject: Re: [PATCH 0/2] futex: Docs and tests for robust futex unlock race
Date: Thu, 26 Mar 2026 17:38:13 +0100	[thread overview]
Message-ID: <87mrzuczre.ffs@tglx> (raw)
In-Reply-To: <20260326-tonyk-vdso_test-v1-0-30a6f78c8bc3@igalia.com>

Andre!

On Thu, Mar 26 2026 at 11:31, André Almeida wrote:
> I have created two patches to be added to our series, please have a look. The
> first one is a note for the robust list docs about the need to use a
> vDSO/syscall to avoid the race condition (this should be added to the man page
> in the future). The second one adds the new syscalls to the robust list
> selftests, testing all available combinations.

Very appreciated. I'll pick them up for the V3 posting I'm working on.

> Ideally I would like to inject some error to the vDSO test, so we can really
> test the mechanism of it being interrupted and the kernel cleaning the
> list_op_pending, using ASM injection or ptrace(), but I have left for a next
> patch for now.

Please sync with Sebastian. He wanted to look into this ptrace thing
too.

Thanks,

        tglx

  parent reply	other threads:[~2026-03-26 16:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26 14:31 [PATCH 0/2] futex: Docs and tests for robust futex unlock race André Almeida
2026-03-26 14:31 ` [PATCH 1/2] Documentation: futex: Add a note about robust list race condition André Almeida
2026-03-26 14:31 ` [PATCH 2/2] selftests: futex: Add tests for robust release operations André Almeida
2026-03-27 16:04   ` Thomas Gleixner
2026-03-26 16:38 ` Thomas Gleixner [this message]
2026-03-27  7:18   ` [PATCH 0/2] futex: Docs and tests for robust futex unlock race Sebastian Andrzej Siewior

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