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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: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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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: |
Ingo Molnar <mingo@xxxxxxx> |
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Date: |
Wed, 12 Oct 2011 09:34:03 +0200 |
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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 00:36:55 -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> |
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Mutt/1.5.21 (2010-09-15) |
* 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.
Thanks,
Ingo
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