perf_counter tools: add cpu_relax()/rmb() definitions for sh.
authorPaul Mundt <lethal@linux-sh.org>
Thu, 25 Jun 2009 05:41:57 +0000 (14:41 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Thu, 25 Jun 2009 05:41:57 +0000 (14:41 +0900)
Simple cpu_relax()/rmb() stubs that perf needs, which were inadvertently
omitted from the sh HAVE_PERF_COUNTERS patch.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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