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xen-devel
[Xen-devel] Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe
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To: |
Ingo Molnar <mingo@xxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe and efficient to call early |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Wed, 12 Oct 2011 08:44:00 -0700 |
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Cc: |
the arch/x86 maintainers <x86@xxxxxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Jan Glauber <jang@xxxxxxxxxxxxxxxxxx>, Jason Baron <jbaron@xxxxxxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, David Daney <david.daney@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Michael Ellerman <michael@xxxxxxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx> |
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Wed, 12 Oct 2011 08:44:36 -0700 |
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<cover.1317755691.git.jeremy.fitzhardinge@xxxxxxxxxx> <619c66d6da63aa086e2eac017e7aed216cc8ddc3.1317755691.git.jeremy.fitzhardinge@xxxxxxxxxx> <8762k4grwy.fsf@xxxxxxxxxxxxxxx> <20111010073405.GC29035@xxxxxxx> <4E934F37.2020300@xxxxxxxx> <20111012073402.GJ18618@xxxxxxx> |
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On 10/12/2011 12:34 AM, Ingo Molnar wrote:
> * Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>
>> On 10/10/2011 12:34 AM, Ingo Molnar wrote:
>>> * Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
>>>
>>>> On Tue, 4 Oct 2011 12:18:03 -0700, Jeremy Fitzhardinge <jeremy@xxxxxxxx>
>>>> wrote:
>>>>> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
>>>>>
>>>>> 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@xxxxxxxxxxxxxxx>
>>> 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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