linux-kernel - Re: [PATCH 1/4] [RFC] net: Explicitly initialize u64_stats

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Date:	Thu, 26 Sep 2013 12:46:03 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	John Stultz <john.stultz@...aro.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Mirko Lindner <mlindner@...vell.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Roger Luethi <rl@...lgate.ch>,
	Patrick McHardy <kaber@...sh.net>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Wensong Zhang <wensong@...ux-vs.org>,
	Simon Horman <horms@...ge.net.au>,
	Julian Anastasov <ja@....bg>, Jesse Gross <jesse@...ira.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCH 1/4] [RFC] net: Explicitly initialize u64_stats_sync
 structures for lockdep

On Thu, 2013-09-26 at 12:39 -0700, John Stultz wrote:

> > No objection, though I worry that will obscure the lockdep key name,
> > causing all the u64_stat_sync locks to appear the same.
> >
> > I'll give it a quick shot to see if the compiler inlines it well enough
> > to preserve the name.
> Yea, unfortunately this causes the reports to all look like:
> 

> 
> So I suspect using the macro is the best approach here. Is that ok?

Oh well, right :)


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