From: Joel Fernandes <joelagnelf@nvidia.com>
To: paulmck@kernel.org
Cc: rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
Saravana Kannan <saravanak@kernel.org>
Subject: Re: [PATCH RFC] rcutorture: Fully test lazy RCU
Date: Sun, 1 Mar 2026 05:11:51 -0500 [thread overview]
Message-ID: <B0408540-C5C7-4AEE-AF5A-545EA50CF7DD@nvidia.com> (raw)
In-Reply-To: <a7dd04f0-52ba-4543-a159-f989b851906c@paulmck-laptop>
[...]
>>> 3. Does the rcu_torture_ops structure need a ->call_hurry() field,
>>> and if so, why? If not, why not?
>>>
>>> 4. Your additional questions here!
>>
>> Do we have a reproducer for the splat? If there is a link to the
>> report, I could take a look and investigate.
>
> The splat is on an old kernel where rcutorture does not yet have
> call_rcu_hurry(). So this patch isn't fixing a bug, but rather allegedly
> improving lazy RCU rcutorture testing.
Makes sense! I take it that on a newer kernel, we do see a splat with
just replacing _hurry() with the alternative, but without any other
changes. But either way, this is a nice change, so thanks!
--
Joel Fernandes
prev parent reply other threads:[~2026-03-01 10:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-28 0:39 [PATCH RFC] rcutorture: Fully test lazy RCU Paul E. McKenney
2026-03-01 3:09 ` Joel Fernandes
2026-03-01 4:14 ` Paul E. McKenney
2026-03-01 10:11 ` Joel Fernandes [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=B0408540-C5C7-4AEE-AF5A-545EA50CF7DD@nvidia.com \
--to=joelagnelf@nvidia.com \
--cc=linux-kernel@vger.kernel.org \
--cc=paulmck@kernel.org \
--cc=rcu@vger.kernel.org \
--cc=saravanak@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox