On 11/05/15 12:36, Ian Campbell wrote: > On Fri, 2015-05-08 at 22:14 +0100, Andrew Cooper wrote: >> There are some records which should only be sent once in the stream, and not >> repeated for each checkpoint. {start,end}_of_stream() become per-checkpoint, >> and a new start_of_stream() is introduced. >> >> There is no resulting change record order, but the X86_PV_INFO and >> X86_PV_P2M_FRAMES records are positively identified as once per stream, >> rather >> than once per checkpoint. > In the case of the latter judging from the comments this is currently an > implementation detail and in principal we want to be able to resend the > p2m frames as well?
Correct, and the spec regarding X86_PV_P2M_FRAMES was explicitly intended to allow partial updates in the future. It is currently an implementation bug (or many) that the P2M can't change during the live part of migration. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel