linux-kernel - Re: [PATCH v2] rcu: Allow to eliminate softirq processing from rcutree

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Message-ID: <20190319170229.zzecy2cqrbl5kuc3@linutronix.de>
Date:   Tue, 19 Mar 2019 18:02:29 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>, tglx@...utronix.de,
        Mike Galbraith <efault@....de>
Subject: Re: [PATCH v2] rcu: Allow to eliminate softirq processing from
 rcutree

On 2019-03-19 09:50:07 [-0700], Paul E. McKenney wrote:
> Besides, it looks very weird for me to have two Signed-off-by lines.  ;-)

See commit 602cae04c4864 ("perf/x86/intel: Delay memory deallocation
until x86_pmu_dead_cpu()")

> In theory, the trace_rcu_utilization() should be added, just like at
> the beginning and end of the function rcu_core(), but as far as I know,
> no one uses that, so I actually have it on my list to remove.

oki. Then nothing should be done :)

> 							Thanx, Paul

Sebastian