From: Jakub Kicinski <kuba@kernel•org>
To: Steven Rostedt <rostedt@goodmis•org>
Cc: 王贇 <yun.wang@linux•alibaba.com>,
"Peter Zijlstra" <peterz@infradead•org>,
"Paul Walmsley" <paul.walmsley@sifive•com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership•com>,
"Paul Mackerras" <paulus@samba•org>,
"Jisheng Zhang" <jszhang@kernel•org>,
"H. Peter Anvin" <hpa@zytor•com>,
live-patching@vger•kernel.org, linux-riscv@lists•infradead.org,
"Miroslav Benes" <mbenes@suse•cz>,
"Joe Lawrence" <joe.lawrence@redhat•com>,
"Helge Deller" <deller@gmx•de>,
x86@kernel•org, linux-csky@vger•kernel.org,
"Ingo Molnar" <mingo@redhat•com>,
"Petr Mladek" <pmladek@suse•com>,
"Albert Ou" <aou@eecs•berkeley.edu>,
"Jiri Kosina" <jikos@kernel•org>,
"Nicholas Piggin" <npiggin@gmail•com>,
"Borislav Petkov" <bp@alien8•de>,
"Josh Poimboeuf" <jpoimboe@redhat•com>,
"Thomas Gleixner" <tglx@linutronix•de>,
linux-parisc@vger•kernel.org, LKML <linux-kernel@vger•kernel.org>,
"Alexander Lobakin" <aleksander.lobakin@intel•com>,
"Palmer Dabbelt" <palmer@dabbelt•com>,
"Masami Hiramatsu" <mhiramat@kernel•org>
Subject: Re: [PATCH] tracing: Have all levels of checks prevent recursion
Date: Fri, 21 Jul 2023 18:22:35 -0700 [thread overview]
Message-ID: <20230721182235.6617a466@kernel.org> (raw)
In-Reply-To: <20230721122632.56b4df6c@gandalf.local.home>
On Fri, 21 Jul 2023 12:26:32 -0400 Steven Rostedt wrote:
> > if (!(in_hardirq() || irqs_disabled()))
> >
>
> Yeah, probably.
>
> > , nothing more elegant / already existing / ...?
>
> It's not a common check. What would you call that?
Looks like Olek started the weekend already so let me answer.
He's trying to check if we can use a fast path cache which takes
a _bh spin lock.
next prev parent reply other threads:[~2023-07-22 1:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 15:00 [PATCH] tracing: Have all levels of checks prevent recursion Steven Rostedt
2021-10-15 16:17 ` Peter Zijlstra
2021-10-15 17:35 ` Steven Rostedt
2021-10-15 17:58 ` Steven Rostedt
2021-10-15 18:04 ` Peter Zijlstra
2021-10-15 18:20 ` Steven Rostedt
2021-10-15 18:24 ` Peter Zijlstra
2021-10-15 19:00 ` Steven Rostedt
2021-10-15 18:25 ` Steven Rostedt
2023-07-21 15:34 ` Alexander Lobakin
2023-07-21 16:00 ` Steven Rostedt
2023-07-21 16:06 ` Alexander Lobakin
2023-07-21 16:26 ` Steven Rostedt
2023-07-22 1:22 ` Jakub Kicinski [this message]
2021-10-18 10:19 ` Petr Mladek
2021-10-18 13:50 ` Steven Rostedt
2021-10-18 15:09 ` Petr Mladek
2021-10-19 2:02 ` Steven Rostedt
2021-10-19 6:41 ` Petr Mladek
2021-10-19 13:00 ` Steven Rostedt
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