This adds a new hypercall CPU_POKE for quickly waking up an idle CPU.
CPU_POKE should only be sent to valid non-local CPUs.
Signed-off-by: NRob Gardner <rob.gardner@oracle.com>
Signed-off-by: NVijay Kumar <vijay.ac.kumar@oracle.com>
Reviewed-by: NAnthony Yznaga <anthony.yznaga@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>