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Re: [Xen-devel] [PATCH v3 3/3] xen: rework paging_log_dirty_op to work with hvm guests

To: Jan Beulich <JBeulich@xxxxxxxx>
From: Tim Deegan <tim@xxxxxxx>
Date: Thu, 16 Apr 2015 10:11:18 +0100
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Roger Pau Monne <roger.pau@xxxxxxxxxx>
Delivery-date: Thu, 16 Apr 2015 09:11:27 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

At 13:14 +0100 on 14 Apr (1429017287), Jan Beulich wrote:
> > This won't work: The paging lock protects all of
> > d->arch.paging.preempt.log_dirty, of which you hold cached values
> > in local variables.
> 
> ... so how about reusing the existing restart code instead?  We could
> either move the label further up or tail-recurse into it. 
> 
> Tim.

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Follow-Ups:
- Re: [Xen-devel] [PATCH v3 3/3] xen: rework paging_log_dirty_op to work with hvm guests
  - From: Jan Beulich

References:
- [Xen-devel] [PATCH v3 0/3] xen/pvh: enable migration on PVH Dom0
  - From: Roger Pau Monne
- [Xen-devel] [PATCH v3 3/3] xen: rework paging_log_dirty_op to work with hvm guests
  - From: Roger Pau Monne
- Re: [Xen-devel] [PATCH v3 3/3] xen: rework paging_log_dirty_op to work with hvm guests
  - From: Jan Beulich

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