WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

[Xen-devel] Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: [Xen-devel] Re: [PATCH RFC V3 2/8] stop_machine: make stop_machine safe and efficient to call early
From: Ingo Molnar <mingo@xxxxxxx>
Date: Wed, 12 Oct 2011 09:34:03 +0200
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>
Delivery-date: Wed, 12 Oct 2011 00:36:55 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4E934F37.2020300@xxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <cover.1317755691.git.jeremy.fitzhardinge@xxxxxxxxxx> <619c66d6da63aa086e2eac017e7aed216cc8ddc3.1317755691.git.jeremy.fitzhardinge@xxxxxxxxxx> <8762k4grwy.fsf@xxxxxxxxxxxxxxx> <20111010073405.GC29035@xxxxxxx> <4E934F37.2020300@xxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: 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

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>