[SPARC64]: More SUN4V cpu mondo bug fixing.
This cpu mondo sending interface isn't all that easy to use correctly... We were clearing out the wrong bits from the "mask" after getting something other than EOK from the hypervisor. It turns out the hypervisor can just be resent the same cpu_list array, with the 0xffff "done" entries still in there, and it will do the right thing. So don't update or try to rebuild the cpu_list array to condense it. This requires the "forward_progress" check to be done slightly differently, but this new scheme is less bug prone than what we were doing before. Signed-off-by: David S. Miller <firstname.lastname@example.org>
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