From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
John Stultz <john.stultz@linaro.org>,
Josh Triplett <josh@joshtriplett.org>,
lkml <linux-kernel@vger.kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Saravana Kannan <saravanak@google.com>,
Todd Kjos <tkjos@google.com>, Stephen Boyd <sboyd@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: On trace_*_rcuidle functions in modules
Date: Thu, 16 Apr 2020 00:42:14 +0200 [thread overview]
Message-ID: <20200415224214.GP2483@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20200415220459.GE17661@paulmck-ThinkPad-P72>
On Wed, Apr 15, 2020 at 03:04:59PM -0700, Paul E. McKenney wrote:
>
> My guess is that invoking rcu_irq_enter() and rcu_irq_exit() around every
> potential call into module code out of the PM code is a non-starter,
> but I cannot prove that either way.
Isn't that exactly what cpu_pm_notify() is doing?
next prev parent reply other threads:[~2020-04-15 22:42 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 2:20 On trace_*_rcuidle functions in modules John Stultz
2020-04-15 2:57 ` Paul E. McKenney
2020-04-15 3:47 ` John Stultz
2020-04-15 13:12 ` Paul E. McKenney
2020-04-15 12:53 ` Steven Rostedt
2020-04-15 19:56 ` John Stultz
2020-04-15 20:14 ` Steven Rostedt
2020-04-15 20:17 ` John Stultz
2020-04-15 20:41 ` Steven Rostedt
2020-04-15 21:02 ` John Stultz
2020-04-15 21:49 ` Steven Rostedt
2020-04-15 22:04 ` Paul E. McKenney
2020-04-15 22:42 ` Peter Zijlstra [this message]
2020-04-15 22:53 ` Steven Rostedt
2020-04-15 22:53 ` Paul E. McKenney
2020-04-15 22:51 ` Steven Rostedt
2020-04-15 22:54 ` Paul E. McKenney
2020-04-16 0:06 ` John Stultz
2020-04-16 0:48 ` Steven Rostedt
2020-04-16 1:02 ` Bjorn Andersson
2020-04-16 1:24 ` Steven Rostedt
2020-04-16 2:17 ` John Stultz
2020-04-15 22:07 ` John Stultz
2020-04-15 22:40 ` Peter Zijlstra
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