linux-kernel - Re: [PATCH 06/10] time: Cap clocksource reads to the clocksource max

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Message-ID: <20150112204936.GE4233@localhost.localdomain>
Date:	Mon, 12 Jan 2015 21:49:36 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	John Stultz <john.stultz@...aro.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...emonkey.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Prarit Bhargava <prarit@...hat.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 06/10] time: Cap clocksource reads to the clocksource
 max_cycles value

On Mon, Jan 12, 2015 at 09:30:07PM +0100, Richard Cochran wrote:
> On Mon, Jan 12, 2015 at 10:54:50AM -0800, John Stultz wrote:
> > You say the tick should be scheduled before the clocksource wraps -
> > but we have logic to do that.
> 
> Well that is a shame.

Arg, I mean, not a shame that we have logic for that, but rather that
the logic is not reliable enough!

Sorry
Richard


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