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

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Message-ID: <alpine.DEB.2.11.1511191137320.3898@nanos>
Date:	Thu, 19 Nov 2015 11:42:48 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
cc:	Marc Gonzalez <marc_gonzalez@...madesigns.com>,
	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, Russell King - ARM Linux wrote:
> The basic cause of this problem is the ____cacheline_aligned annotation
> which effectively prevents wrapping struct clocksource to provide
> implementation specific data.
>
> Maybe your idea is that struct clocksource should be bloated with all
> implementation specific data in the long term?

Certainly not. That mmio use case is sane enough, but you are right,
that we should try to lift that ____cacheline_aligned restriction.

We have 77 instances of static struct clocksource declaration...

Thanks,

	tglx
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