Andrew Cooper writes ("[PATCH v3 20/28] tools/libxc+libxl+xl: Restore v2
streams"):
> This is a complicated set of changes which must be done together for
> bisectability.
>
> * libxl-save-helper is updated to unconditionally use libxc migration
> v2.
> * libxl compatibility workarounds in libxc are disabled for restore
> operations.
> * libxl__stream_read_start() is logically spliced into the event
> location where libxl__xc_domain_restore() used to reside.
> * Ownership of the save_helper_state moves to stream_read_state.
>
> The parameters 'hvm', 'pae', and 'superpages' were previously
> superfluous, and are completely unused in migration
> v2. callbacks->toolstack_restore is handled via a migration v2 record
> now, rather than via a callback from libxc.
>
> NB: this change breaks Remus. Further untangling needs to happen
> before Remus will function.
>
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
> CC: Ian Campbell <ian.campb...@citrix.com>
> CC: Ian Jackson <ian.jack...@eu.citrix.com>
> CC: Wei Liu <wei.l...@citrix.com>
Acked-by: Ian Jackson <ian.jack...@eu.citrix.com>
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