linux-kernel - Re: [RFC PATCH] Introduce timekeeper latch synchronization

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Message-ID: <52335935.1020307@linaro.org>
Date:	Fri, 13 Sep 2013 11:28:05 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Richard Cochran <richardcochran@...il.com>,
	Prarit Bhargava <prarit@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	lttng-dev@...ts.lttng.org
Subject: Re: [RFC PATCH] Introduce timekeeper latch synchronization

On 09/13/2013 11:20 AM, Mathieu Desnoyers wrote:
>
> This looks to me like interesting optimisation work that should be
> considered after the following question is answered: does the added
> update-side cost actually matter that much ?

Yea, fair enough. We can measure the cost first.

thanks
-john

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