>>> On 17.01.19 at 09:57, <roger....@citrix.com> wrote: > While not against using physdevop if we agree that a new hypercall is > the way to go, I would prefer a domctl because this hypercall would > only be used by toolstack components, and thus doesn't need to be > added to the public stable ABI available to all guests, even if the > functionality is actually limited to stubdomains.
But a new sub-op doesn't need to be part of the stable ABI. See how e.g. various of the memory sub-ops are restricted to be used by the tool stack, and hence not required to remain unchanged. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel