* 'pin' of https://github.com/jgross1/xen:
libxl: add force option for xl vcpu-pin
libxl: print message how to recover from xl cpupool-cpu-remove errors
libxc: do some retries in xc_cpupool_removecpu() for EBUSY case
All patches have Acked-by and Reviewed-by tags.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>