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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>, Steven Rostedt <rostedt@xxxxxxxxxxx> |
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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: |
Rusty Russell <rusty@xxxxxxxxxxxxxxx> |
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Date: |
Wed, 05 Oct 2011 11:45:25 +1030 |
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Cc: |
Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, Jan Glauber <jang@xxxxxxxxxxxxxxxxxx>, Jason Baron <jbaron@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, David Daney <david.daney@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Michael Ellerman <michael@xxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx> |
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Sun, 09 Oct 2011 09:12:36 -0700 |
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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>
Cheers,
Rusty.
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