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From: Thomas Gleixner <tglx@linutronix.de>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Mans Rullgard <mans@mansr.com>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Nicolas Pitre <nico@linaro.org>, Tony Lindgren <tony@atomide.com>,
	Sebastian Frias <sebastian_frias@sigmadesigns.com>
Subject: Re: [PATCH] clocksource: Store reg field within struct clocksource
Date: Thu, 19 Nov 2015 11:42:48 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.11.1511191137320.3898@nanos> (raw)
In-Reply-To: <20151119103645.GV8644@n2100.arm.linux.org.uk>

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

  reply	other threads:[~2015-11-19 10:43 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-18 13:43 Marc Gonzalez
2015-11-18 13:51 ` Måns Rullgård
2015-11-18 17:21 ` Russell King - ARM Linux
2015-11-19  9:27   ` Marc Gonzalez
2015-11-19 10:33     ` Russell King - ARM Linux
2015-11-19 10:36       ` Thomas Gleixner
2015-11-19 10:40         ` Russell King - ARM Linux
2015-11-19 10:33   ` Thomas Gleixner
2015-11-19 10:36     ` Russell King - ARM Linux
2015-11-19 10:42       ` Thomas Gleixner [this message]
2015-11-19 11:08         ` Russell King - ARM Linux
2015-11-19 11:14           ` Thomas Gleixner
2015-11-19 12:26             ` Marc Gonzalez
2015-11-19 13:57               ` Thomas Gleixner
2015-11-24 12:36                 ` Marc Gonzalez
2015-11-25 21:33             ` [tip:timers/core] timekeeping: Lift clocksource cacheline restriction tip-bot for Thomas Gleixner
2015-11-19 10:55       ` [PATCH] clocksource: Store reg field within struct clocksource Marc Gonzalez
2015-11-19 11:21         ` Russell King - ARM Linux
2015-11-19 12:41           ` Marc Gonzalez

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