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Message-ID: <4E95B5C0.10606@goop.org>
Date: Wed, 12 Oct 2011 08:44:00 -0700
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: Ingo Molnar <mingo@...e.hu>
CC: Rusty Russell <rusty@...tcorp.com.au>,
Steven Rostedt <rostedt@...dmis.org>,
"David S. Miller" <davem@...emloft.net>,
David Daney <david.daney@...ium.com>,
Michael Ellerman <michael@...erman.id.au>,
Jan Glauber <jang@...ux.vnet.ibm.com>,
Jason Baron <jbaron@...hat.com>,
the arch/x86 maintainers <x86@...nel.org>,
Xen Devel <xen-devel@...ts.xensource.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Andrew Morton <akpm@...ux-foundation.org>,
"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe and efficient
to call early
On 10/12/2011 12:34 AM, Ingo Molnar wrote:
> * Jeremy Fitzhardinge <jeremy@...p.org> wrote:
>
>> On 10/10/2011 12:34 AM, Ingo Molnar wrote:
>>> * Rusty Russell <rusty@...tcorp.com.au> wrote:
>>>
>>>> On Tue, 4 Oct 2011 12:18:03 -0700, Jeremy Fitzhardinge <jeremy@...p.org> wrote:
>>>>> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
>>>>>
>>>>> Make stop_machine() safe to call early in boot, before stop_machine()
>>>>> has been set up, by simply calling the callback function directly if
>>>>> there's only one CPU online.
>>>> Not that you need this, since it's >90% Tejun's code now, but:
>>>>
>>>> Acked-by: Rusty Russell <rusty@...tcorp.com.au>
>>> hey, extra review is always useful.
>>>
>>> Jeremy, Tejun, what's the expected merge path of these changes?
>> Andrew has already picked up the stop_machine patch, I think. But it's
>> pretty settled now, so it shouldn't cause any problem if it gets via
>> multiple paths.
>>
>> What about the jump-label stuff? Has that been going via tip.git in the
>> past, or by some other path?
> If it has Jason's and PeterZ's ack then it can go via any other tree
> in this cycle - we are not carrying jump label patches right now.
>
> But those acks are very much desired.
Jason has already Acked it, but then pointed out a couple of problems to
address.
I'll add PeterZ to the next repost.
J
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