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Date: Mon, 10 Oct 2011 13:01:59 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Ingo Molnar <mingo@elte.hu>
CC: Rusty Russell <rusty@rustcorp.com.au>,
        Steven Rostedt <rostedt@goodmis.org>,
        "David S. Miller" <davem@davemloft.net>,
        David Daney <david.daney@cavium.com>,
        Michael Ellerman <michael@ellerman.id.au>,
        Jan Glauber <jang@linux.vnet.ibm.com>, Jason Baron <jbaron@redhat.com>,
        the arch/x86 maintainers <x86@kernel.org>,
        Xen Devel <xen-devel@lists.xensource.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Andrew Morton <akpm@linux-foundation.org>,
        "H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe and efficient
 to call early
References: <cover.1317755691.git.jeremy.fitzhardinge@citrix.com> <619c66d6da63aa086e2eac017e7aed216cc8ddc3.1317755691.git.jeremy.fitzhardinge@citrix.com> <8762k4grwy.fsf@rustcorp.com.au> <20111010073405.GC29035@elte.hu>
In-Reply-To: <20111010073405.GC29035@elte.hu>
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On 10/10/2011 12:34 AM, Ingo Molnar wrote:
> * Rusty Russell <rusty@rustcorp.com.au> wrote:
>
>> 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>
> 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?

    J