On 07.06.21 12:12, Olaf Hering wrote:
Am Wed, 2 Jun 2021 14:03:40 +0200 schrieb Juergen Gross <[email protected]>:Maybe XEN_DOMCTL_PFINFO_XALLOC should no longer be supported, i.e. a stream containing it should be rejected? This might be a worthwhile modification of patch 5.If there is a desire to actively break incoming domUs from pre-4.6 hosts, this should probably be done in a separate change. I have not checked if such migration works today with unmodified xen.git#staging.
At least with your patch this might change now, as you are modifying the behavior in case of XEN_DOMCTL_PFINFO_XALLOC. Officially pre-4.6 hosts are not supported regarding LM. So your patch should be fine in this regard. OTH I'd rather have a clear failure than a maybe weird behavior in case a stream is containing a record with XEN_DOMCTL_PFINFO_XALLOC. Juergen
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