From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org,
jolsa@kernel.org, "Paul E . McKenney" <paulmck@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] ftrace: make extra rcu_is_watching() validation check optional
Date: Mon, 1 Apr 2024 20:25:52 +0900 [thread overview]
Message-ID: <20240401202552.470d845bd79c841b9158fb56@kernel.org> (raw)
In-Reply-To: <20240326150121.68e9db8a@gandalf.local.home>
On Tue, 26 Mar 2024 15:01:21 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 26 Mar 2024 09:16:33 -0700
> Andrii Nakryiko <andrii.nakryiko@gmail.com> wrote:
>
> > > It's no different than lockdep. Test boxes should have it enabled, but
> > > there's no reason to have this enabled in a production system.
> > >
> >
> > I tend to agree with Steven here (which is why I sent this patch as it
> > is), but I'm happy to do it as an opt-out, if Masami insists. Please
> > do let me know if I need to send v2 or this one is actually the one
> > we'll end up using. Thanks!
>
> Masami,
>
> Are you OK with just keeping it set to N.
OK, if it is only for the debugging, I'm OK to set N this.
>
> We could have other options like PROVE_LOCKING enable it.
Agreed (but it should say this is a debug option)
Thank you,
>
> -- Steve
--
Masami Hiramatsu (Google) <mhiramat@kernel.org>
next prev parent reply other threads:[~2024-04-01 11:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-22 16:03 [PATCH] ftrace: make extra rcu_is_watching() validation check optional Andrii Nakryiko
2024-03-25 2:38 ` Masami Hiramatsu
2024-03-25 16:56 ` Andrii Nakryiko
2024-03-25 22:13 ` Steven Rostedt
2024-03-26 16:16 ` Andrii Nakryiko
2024-03-26 19:01 ` Steven Rostedt
2024-03-29 16:39 ` Andrii Nakryiko
2024-04-01 11:25 ` Masami Hiramatsu [this message]
2024-04-01 16:09 ` Steven Rostedt
2024-04-02 0:38 ` Masami Hiramatsu
2024-04-02 2:29 ` Andrii Nakryiko
2024-04-02 2:47 ` Steven Rostedt
2024-04-03 0:40 ` Masami Hiramatsu
2024-04-03 0:54 ` Steven Rostedt
2024-04-03 4:00 ` Andrii Nakryiko
2024-04-03 5:21 ` Andrii Nakryiko
2024-04-03 13:55 ` Steven Rostedt
2024-04-06 3:41 ` Masami Hiramatsu
2024-04-06 16:06 ` Andrii Nakryiko
2024-04-03 13:53 ` Steven Rostedt
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=20240401202552.470d845bd79c841b9158fb56@kernel.org \
--to=mhiramat@kernel.org \
--cc=andrii.nakryiko@gmail.com \
--cc=andrii@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=jolsa@kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=paulmck@kernel.org \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.