Re: [Xen-devel] [PATCH v2] xen: don't save/restore the physmap on VM save/restore

2017-03-13 Thread Paul Durrant
> -Original Message- > From: Igor Druzhinin > Sent: 10 March 2017 20:07 > To: sstabell...@kernel.org; Anthony Perard > Cc: Paul Durrant ; qemu-de...@nongnu.org; xen- > de...@lists.xenproject.org; Igor Druzhinin > Subject: [PATCH v2] xen: don't save/restore the physmap on VM > save/restore

[Xen-devel] [PATCH v2] xen: don't save/restore the physmap on VM save/restore

2017-03-10 Thread Igor Druzhinin
Saving/restoring the physmap to/from xenstore was introduced to QEMU majorly in order to cover up the VRAM region restore issue. The sequence of restore operations implies that we should know the effective guest VRAM address *before* we have the VRAM region restored (which happens later). Unfortuna