linux-kernel - Re: CPU Hotplug rework

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Message-ID: <1332242881.18960.409.camel@twins>
Date:	Tue, 20 Mar 2012 12:28:01 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	"rusty@...tcorp.com.au" <rusty@...tcorp.com.au>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Milton Miller <miltonm@....com>,
	"mingo@...e.hu" <mingo@...e.hu>, Tejun Heo <tj@...nel.org>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	linux-alpha@...r.kernel.org, Mike Frysinger <vapier@...too.org>
Subject: Re: CPU Hotplug rework

On Mon, 2012-03-19 at 20:18 +0530, Srivatsa S. Bhat wrote:
> 
> If there is anything I missed out, please feel free to add them here.
> And suggestions are of course, always welcome :-)
> 
OK, so I haven't fully read your list, but looking through the code
today I found that alpha and blackfin call CPU_STARTING after
set_cpu_online(, true), whereas all the other archs call CPU_STARTING
before.

Aside from that probably wanting to get fixed (not sure it actually
breaks anything atm), this is another reason most of that wants to be
generic code.
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