[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v6 4/6] libxl: allow creation of domains with a specified or random domid
Paul Durrant writes ("[PATCH v6 4/6] libxl: allow creation of domains with a specified or random domid"): > This patch adds a 'domid' field to libxl_domain_create_info and then > modifies libxl__domain_make() to have Xen use that value if it is valid. > If the domid value is invalid then Xen will choose the domid, as before, > unless the value is the new special RANDOM_DOMID value added to the API. > This value instructs libxl__domain_make() to choose a random domid value > for Xen to use. > > If Xen determines that a domid specified to or chosen by > libxl__domain_make() co-incides with an existing domain then the create > operation will fail. In this case, if RANDOM_DOMID was specified to > libxl__domain_make() then a new random value will be chosen and the create > operation will be re-tried, otherwise libxl__domain_make() will fail. > > After Xen has successfully created a new domain, libxl__domain_make() will > check whether its domid matches any recently used domid values. If it does > then the domain will be destroyed. If the domid used in creation was > specified to libxl__domain_make() then it will fail at this point, > otherwise the create operation will be re-tried with either a new random > or Xen-selected domid value. Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> Thanks. The logic seems a lot clearer now. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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