linux-kernel - Re: [PATCH 21/21] time: Rework debugging variables so they aren't global

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Message-ID: <20150402075151.GA24591@gmail.com>
Date:	Thu, 2 Apr 2015 09:51:51 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	John Stultz <john.stultz@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Prarit Bhargava <prarit@...hat.com>,
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH 21/21] time: Rework debugging variables so they aren't
 global


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Wed, Apr 01, 2015 at 08:34:41PM -0700, John Stultz wrote:
> > Ingo suggested that the timekeeping debugging variables
> > recently added should not be global, and should be tied
> > to the timekeeper's read_base.
> 
> But why? its the same hardware clock for both tkr's. Surely if one goes
> funny the other will too.
> 
> It doesn't make sense to duplicate this.

Well, could it be moved to the timekeeper data structure? What I was 
opposed to was making it super-global, after all the (nice) effort we 
made to tidy up global data structures in this area.

Thanks,

	Ingo
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