linux-kernel - Re: [PATCH] clocksource: Store reg field within struct clocksource

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Message-ID: <alpine.DEB.2.11.1511191457160.3898@nanos>
Date:	Thu, 19 Nov 2015 14:57:30 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Marc Gonzalez <marc_gonzalez@...madesigns.com>
cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mans Rullgard <mans@...sr.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Nicolas Pitre <nico@...aro.org>,
	Tony Lindgren <tony@...mide.com>,
	Sebastian Frias <sebastian_frias@...madesigns.com>
Subject: Re: [PATCH] clocksource: Store reg field within struct clocksource

On Thu, 19 Nov 2015, Marc Gonzalez wrote:
> On 19/11/2015 12:14, Thomas Gleixner wrote:
> 
> > So yes, the alignment of the clocksource struct is not longer
> > relevant. The case where we access clocksource->max_cycles is when
> > CONFIG_DEBUG_TIMEKEEPING is enabled, which imposes worse performance
> > problems to timekeeping than the extra cacheline.
> > 
> > So the simple solution for this issue is indeed the one liner below.
> 
> It would make sense to also remove the comment emphasizing the
> alignment requirement.

Indeed.
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