[SPARC64]: More SUN4V cpu mondo bug fixing.

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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 <davem@davemloft.net>

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This commit is contained in:

David S. Miller 2006-03-02 21:50:47 -08:00

parent bcc28ee0bf

commit 3cab0c3e86

1 changed files with 24 additions and 16 deletions

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arch/sparc64/kernel/smp.c

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