On Mon, 2017-07-03 at 14:03 +0300, Andrii Anisov wrote: > - root@salvator-x-h3-xt:/scripts# xl sched-rtds -d DomU -v all -p > 10000  > -b 2500 >    (XEN) FLASK: Denying unknown domctl_scheduler_op: 2. >    libxl: error: libxl_sched.c:663:sched_rtds_vcpu_set_all: Domain  > 2:Setting vcpu sched rtds: Operation not permitted >    libxl_vcpu_sched_params_set_all failed. > Mmm... this looks to me to mean that we're missing the XSM/Flask bits of XEN_DOMCTL_SCHEDOP_putvcpuinfo and XEN_DOMCTL_SCHEDOP_getvcpuinfo. Meng, can you guys check (e.g., by building a Flask enabled hypervisor and testing the basic functionalities of RTDS) and, if it actually does not work, fix this? It should be ok to test on x86, as I don't think this is something ARM specific. Regards, Dario -- <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)