avid S. Miller <davem@sunset.davemloft.net> 1137667369 -0800
committer David S. Miller <davem@sunset.davemloft.net> 1137667369 -0800

[SPARC]: Add support for *at(), ppoll, and pselect syscalls.

This also includes by necessity _TIF_RESTORE_SIGMASK support,
which actually resulted in a lot of cleanups.

The sparc signal handling code is quite a mess and I should
clean it up some day.

Signed-off-by: David S. Miller <davem@davemloft.net>
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