linux-kernel - Re: [PATCHv2 3/5] cpuidle: add support for states that affect multiple cpus

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Date:	Sun, 18 Mar 2012 12:48:22 +0530
From:	"Shilimkar, Santosh" <santosh.shilimkar@...com>
To:	Colin Cross <ccross@...roid.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-pm@...ts.linux-foundation.org, Kevin Hilman <khilman@...com>,
	Len Brown <len.brown@...el.com>,
	Trinabh Gupta <g.trinabh@...il.com>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCHv2 3/5] cpuidle: add support for states that affect
 multiple cpus

On Sun, Mar 18, 2012 at 12:51 AM, Colin Cross <ccross@...roid.com> wrote:
> On Sat, Mar 17, 2012 at 5:29 AM, Santosh Shilimkar
> <santosh.shilimkar@...com> wrote:
>
> <snip>
>
>> While playing around with this version, I noticed that the
>> 'alive_count' is ever incrementing which will lead to
>> coupled idle state not being attempted after one CPU offline
>> attempt.
>>
>> Fix in end of the email for the same. With it, coupled states
>> continue to work with CPU online/offline transitions.
>>
>> Feel free to fold it into original patch. Attached
>> the same in case mailer eat tabs.
>
> <snip>
>
> Thanks, Kevin reported this issue and I'll fix it in the next version.
 Ahh... I see comments from Kevin now. Some how I missed it
otherwise would have saved me few minutes of debug.

Regards
Santosh
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