sparc64: Add a new hypercall CPU_POKE
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:Rob Gardner <rob.gardner@oracle.com> Signed-off-by:
Vijay Kumar <vijay.ac.kumar@oracle.com> Reviewed-by:
Anthony Yznaga <anthony.yznaga@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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