linux-kernel - Re: [PATCH v5 5/5] msm: add SMP support for msm

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Date:	Wed, 15 Dec 2010 09:42:14 -0800
From:	Steve Muckle <smuckle@...eaurora.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	David Brown <davidb@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Jeff Ohlstein <johlstei@...eaurora.org>,
	Daniel Walker <dwalker@...eaurora.org>,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Brian Swetland <swetland@...gle.com>,
	Dima Zavin <dima@...roid.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Bryan Huntsman <bryanh@...eaurora.org>
Subject: Re: [PATCH v5 5/5] msm: add SMP support for msm

Hi Russell,

On 12/15/10 08:03, Russell King - ARM Linux wrote:
> As far as hotplug code goes, I wish folk would see what their hardware
> can actually do with the secondary CPUs - can they take the CPU fully
> offline and into a proper dormant state, and when they reawaken it, can
> they wake it in the same manner as the CPU is brought online during
> boot.

This is possible with MSM8660 and we have this working internally, but
it relies on a fair amount of power management code that is not ready to
be sent out yet. This hotplug support is just meant as a starting point
while getting the core MSM8660 support in.

thanks,
Steve

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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