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[Xen-devel] [PATCH] xc_resume: fix modify_returncode when PV guest width
| To: | Xen Developers <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] xc_resume: fix modify_returncode when PV guest width != host width |
| From: | Brendan Cully <brendan@xxxxxxxxx> |
| Date: | Wed, 4 Nov 2009 13:03:24 -0800 |
| Delivery-date: | Wed, 04 Nov 2009 13:04:17 -0800 |
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| User-agent: | Mutt/1.5.20 (2009-08-27) |
It seems that xm save -c breaks PV guests when their address width does not match that of domain 0. It looks to me like modify_returncode is treating the guest VCPU context as native format, but honestly I don't quite understand the purpose of vcpu_guest_context_any_t.c. I suspect I'm missing something obvious about how the compat code is supposed to work, but at any rate, the attached patch fixes things for me.
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