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

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

[Xen-devel] Re: [PATCH] fix pgd_lock deadlock

from [Andrea Arcangeli] [Permanent Link][Original]
To: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] fix pgd_lock deadlock
From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Date: Wed, 16 Feb 2011 00:17:33 +0100
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>, Andi Kleen <ak@xxxxxxx>, Johannes Weiner <jweiner@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Larry Woodman <lwoodman@xxxxxxxxxx>
Delivery-date: Tue, 15 Feb 2011 15:20:08 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <alpine.LFD.2.00.1102160002300.26192@xxxxxxxxxxxxxxxxxxxxxxx>
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: <20110204012109.GP5843@xxxxxxxxxxxxx> <4D4C6F45.6010204@xxxxxxxx> <20110207232045.GJ3347@xxxxxxxxxxxxx> <20110215190710.GL5935@xxxxxxxxxxxxx> <alpine.LFD.2.00.1102152020590.26192@xxxxxxxxxxxxxxxxxxxxxxx> <20110215195450.GO5935@xxxxxxxxxxxxx> <alpine.LFD.2.00.1102152102530.26192@xxxxxxxxxxxxxxxxxxxxxxx> <alpine.LFD.2.00.1102152125180.26192@xxxxxxxxxxxxxxxxxxxxxxx> <20110215225234.GP5935@xxxxxxxxxxxxx> <alpine.LFD.2.00.1102160002300.26192@xxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
On Wed, Feb 16, 2011 at 12:03:30AM +0100, Thomas Gleixner wrote:
> I assume you run it with a lockdep enabled kernel as well, right ?

Yes, I always run with lockdep and prove locking enabled on my test
box, not sure how it's meant to trigger more bugs in this case, the
debug check that should be relevant for this is DEBUG_VM and that is
enabled too of course. I didn't try DEBUG_PAGEALLOC yet.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  [Xen-devel] [PATCH] xenbus PM events support (was: [PATCH 2/2] Fix hangup after creating checkpoint on Xen.), Shriram Rajagopalan
Next by Date:  Re: [Xen-devel] [PATCH] xenbus PM events support (was: [PATCH 2/2] Fix hangup after creating checkpoint on Xen.), Shriram Rajagopalan
Previous by Thread:  [Xen-devel] Re: [PATCH] fix pgd_lock deadlock, Thomas Gleixner
Next by Thread:  [Xen-devel] Re: [PATCH] fix pgd_lock deadlock, Peter Zijlstra
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy