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From: peterz@infradead.org
To: Lina Iyer <ilina@codeaurora.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Naresh Kamboju <naresh.kamboju@linaro.org>,
	paulmck@kernel.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Saravana Kannan <saravanak@google.com>,
	open list <linux-kernel@vger.kernel.org>,
	linux-mmc <linux-mmc@vger.kernel.org>,
	lkft-triage@lists.linaro.org, rcu@vger.kernel.org,
	Linux PM <linux-pm@vger.kernel.org>,
	Anders Roxell <anders.roxell@linaro.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	John Stultz <john.stultz@linaro.org>,
	Stephen Boyd <sboyd@kernel.org>,
	Lars Povlsen <lars.povlsen@microchip.com>,
	madhuparnabhowmik10@gmail.com,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: WARNING: suspicious RCU usage - sdhci-pltfm: SDHCI platform and OF driver helper
Date: Tue, 1 Sep 2020 17:50:14 +0200	[thread overview]
Message-ID: <20200901155014.GF2674@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200901154417.GD20303@codeaurora.org>

On Tue, Sep 01, 2020 at 09:44:17AM -0600, Lina Iyer wrote:
> > > > > > I could add RCU_NONIDLE for the calls to pm_runtime_put_sync_suspend()
> > > > > > and pm_runtime_get_sync() in psci_enter_domain_idle_state(). Perhaps
> > > > > > that's the easiest approach, at least to start with.

> I think this would be nice. This should also cover the case, where PM domain
> power off notification callbacks call trace function internally. Right?

That's just more crap for me to clean up later :-(

trace_*_rcuidle() and RCU_NONIDLE() need to die, not proliferate.

  reply	other threads:[~2020-09-01 15:51 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-31  6:32 Naresh Kamboju
2020-08-31 19:44 ` Paul E. McKenney
2020-09-01  6:46   ` Ulf Hansson
2020-09-01  6:50     ` Ulf Hansson
2020-09-01 10:42       ` peterz
2020-09-01 12:35         ` Ulf Hansson
2020-09-01 12:40           ` Ulf Hansson
2020-09-01 15:44             ` Lina Iyer
2020-09-01 15:50               ` peterz [this message]
2020-09-01 16:13                 ` Paul E. McKenney
2020-09-01 17:42                   ` Peter Zijlstra
2020-09-02  7:03                     ` Ulf Hansson
2020-09-02 12:13                       ` peterz
2020-09-02 15:58                         ` Ulf Hansson
2020-09-03 13:53                           ` [RFC][PATCH] cpu_pm: Remove RCU abuse peterz
2020-09-03 14:36                             ` Ulf Hansson
2020-09-03 15:08                               ` peterz
2020-09-03 15:35                                 ` Paul E. McKenney
2020-09-04  6:08                                 ` Ulf Hansson
2020-09-01 15:00           ` WARNING: suspicious RCU usage - sdhci-pltfm: SDHCI platform and OF driver helper peterz
2020-09-01 15:00     ` Paul E. McKenney
2020-09-02  6:49       ` Ulf Hansson
2020-09-02 13:52         ` Paul E. McKenney
2020-09-02 16:07           ` Ulf Hansson
2020-09-02 17:01             ` Paul E. McKenney

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