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From: Rusty Russell <rusty@rustcorp.com.au>
To: Jeremy Fitzhardinge <jeremy@goop.org>,
        Steven Rostedt <rostedt@goodmis.org>
Cc: "David S. Miller" <davem@davemloft.net>,
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        Andrew Morton <akpm@linux-foundation.org>,
        "H. Peter Anvin" <hpa@linux.intel.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe and efficient to call early
In-Reply-To: <619c66d6da63aa086e2eac017e7aed216cc8ddc3.1317755691.git.jeremy.fitzhardinge@citrix.com>
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Date: Wed, 05 Oct 2011 11:45:25 +1030
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On Tue,  4 Oct 2011 12:18:03 -0700, Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.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@rustcorp.com.au>

Cheers,
Rusty.