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For use by node control stack. > + * > + * Copyright (c) 2012, Citrix Systems > + */ > + > +#include > +#include > +#include > +#include > +#include > + > +void arch_do_physinfo(struct xen_sysctl_physinfo *pi) { } > + > +long arch_do_sysctl(struct xen_sysctl *sysctl, > + XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl) > +{ > + return -ENOSYS; At the example of this (there may be more in this series) - -EOPNOTSUPP please. Only top level hypercall handlers ought to produce -ENOSYS, for major hypercall numbers with no handler. Jan