From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: paulmck@kernel.org
Cc: linux-kernel@vger.kernel.org,
David Woodhouse <dwmw2@infradead.org>,
Frederic Weisbecker <frederic@kernel.org>,
Neeraj Upadhyay <neeraj.upadhyay@kernel.org>,
Joel Fernandes <joelagnelf@nvidia.com>,
Josh Triplett <josh@joshtriplett.org>,
Boqun Feng <boqun@kernel.org>,
Uladzislau Rezki <urezki@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Zqiang <qiang.zhang@linux.dev>,
Davidlohr Bueso <dave@stgolabs.net>,
Kunwu Chan <kunwu.chan@gmail.com>,
Puranjay Mohan <puranjay@kernel.org>,
rcu@vger.kernel.org
Subject: Re: [PATCH v2 4/7] srcu: Add irqsave variants of the atomic SRCU readers
Date: Wed, 11 Nov 2026 21:50:26 -0500 [thread overview]
Message-ID: <b81abda5-e882-42e8-b780-6db34fdd0092@efficios.com> (raw)
In-Reply-To: <78c1a437-ee80-4e83-8806-a7f7113a4b63@paulmck-laptop>
On 2026-11-11 21:13, Paul E. McKenney wrote:
[...]
> I used the same trick that I have used elsewhere, keeping a separate
> variable for the tag ("--qemu-args") and the argument itself, as shown
> in the diff below on top of my earlier patch.
[...]
> + --configs "SRCU-P" "${qemu_tag}" "${qemu_args}" --trust-make
This works on x86. On arm64 both variables are empty, so kvm.sh gets
two empty arguments. A kvm.sh --dryrun with "" "" in that place stops
with:
Unknown argument
Dropping the quotes does not help: the value has a space in it. So I
think this one needs either the ${qemu_arg:+...} form, or a test around
the torture_set call.
> I will add it there, also.
>
> And to the --do-rcutorture stuff as well.
Sounds good.
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
next prev parent reply other threads:[~2026-11-12 2:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 14:59 [PATCH v2 0/7] srcu: NMI-safe atomic SRCU readers, and their irqsave forms Mathieu Desnoyers
2026-11-11 14:59 ` [PATCH v2 1/7] srcutiny: Do not call synchronize_rcu() from synchronize_srcu_atomic() Mathieu Desnoyers
2026-11-11 18:35 ` Paul E. McKenney
2026-11-12 3:03 ` KunWu Chan
2026-11-11 14:59 ` [PATCH v2 2/7] srcu: Rule for using synchronize_srcu_atomic() from interrupt handlers Mathieu Desnoyers
2026-11-11 18:54 ` Paul E. McKenney
2026-11-12 3:18 ` KunWu Chan
2026-11-11 14:59 ` [PATCH v2 3/7] srcu: Make atomic SRCU readers NMI-safe Mathieu Desnoyers
2026-11-11 19:55 ` Paul E. McKenney
2026-11-11 14:59 ` [PATCH v2 4/7] srcu: Add irqsave variants of the atomic SRCU readers Mathieu Desnoyers
2026-11-11 19:58 ` Paul E. McKenney
2026-11-11 20:04 ` Paul E. McKenney
2026-11-11 20:13 ` Mathieu Desnoyers
2026-11-12 0:07 ` Paul E. McKenney
2026-11-12 1:32 ` Mathieu Desnoyers
2026-11-12 2:13 ` Paul E. McKenney
2026-11-12 2:50 ` Mathieu Desnoyers [this message]
2026-11-11 14:59 ` [PATCH v2 5/7] rcutorture: Run NMI-safe SRCU readers from NMI Mathieu Desnoyers
2026-11-12 0:39 ` Paul E. McKenney
2026-11-11 14:59 ` [PATCH v2 6/7] rcutorture: Test the irqsave forms of atomic SRCU readers Mathieu Desnoyers
2026-11-12 0:45 ` Paul E. McKenney
2026-11-11 14:59 ` [PATCH v2 7/7] rcutorture: Check an atomic SRCU wait within an RCU reader Mathieu Desnoyers
2026-11-12 0:46 ` Paul E. McKenney
2026-11-11 19:02 ` [PATCH v2 0/7] srcu: NMI-safe atomic SRCU readers, and their irqsave forms David Woodhouse
2026-11-11 19:33 ` Mathieu Desnoyers
2026-11-11 19:35 ` Paul E. McKenney
2026-11-11 19:37 ` David Woodhouse
2026-11-11 19:40 ` Mathieu Desnoyers
2026-11-11 19:50 ` Paul E. McKenney
2026-11-11 19:34 ` Paul E. McKenney
2026-11-12 1:53 ` David Woodhouse
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