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Re: [Xen-devel] [PATCH] xen: update machine_to_phys_order on resume
| To: | Jan Beulich <jbeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] xen: update machine_to_phys_order on resume |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Thu, 14 Jul 2011 12:26:28 +0200 |
| Cc: | linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, keir@xxxxxxx, Ian.Campbell@xxxxxxxxxx, konrad.wilk@xxxxxxxxxx |
| Delivery-date: | Thu, 14 Jul 2011 03:27:40 -0700 |
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On Wed, Jul 13, Jan Beulich wrote: > >>> Ian Campbell <Ian.Campbell@xxxxxxxxxx> 07/13/11 11:12 AM >>> > >It's not so much an objection to this patch but this issue seems to have > >been caused by Xen cset 20892:d311d1efc25e which looks to me like a > >subtle ABI breakage for guests. Perhaps we should introduce a feature > >flag to indicate that a guest can cope with the m2p changing size over > >migration like this? > > Indeed - migration was completely beyond my consideration when > submitting this. A feature flag seems the right way to go to me. I will prepare a patch for a new feature flag. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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