[PATCH] Clean up BUSY_WAIT_NOP and atomic_delay.

[David Miller]

From: Torvald Riegel <triegel@redhat.com>
Date: Tue, 23 Jun 2015 15:41:34 +0200

> Dave, can you check the sparc bits please?  I believe I just moved code
> around, but I can't test this easily.

Sparc bits look fine to me.