linux-kernel - Re: [PATCH 6/7] save and restore etm state across core OFF modes

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Date:	Fri, 30 Jul 2010 15:16:00 +0300
From:	Alexander Shishkin <virtuoso@...nd.org>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Richard Woodruff <r-woodruff2@...com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Paul Walmsley <paul@...an.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alexander Shishkin <virtuoso@...nd.org>
Subject: Re: [PATCH 6/7] save and restore etm state across core OFF modes

On Sun, Jul 25, 2010 at 08:05:19 +0300, Alexander Shishkin wrote:
> This prevents ETM stalls whenever core enters OFF mode. Original patch
> author is Richard Woodruff <r-woodruff2@...com>.
> 
> This version of the patch makes use of the ETM OS save/restore mechanism,
> which takes about 55 words in omap3_arm_context[] instead of 128. Also,
> saving ETM context can be switched on/off at runtime.

Can I have some (n)acks on this one and 7/7 as well?

Regards,
--
Alex
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