From: David S. Miller <davem@davemloft.net>
Date: Tue, 29 Sep 2009 00:35:20 +0000 (-0700)
Subject: sparc64: Add a basic conflict engine in preparation for multi-counter support.
X-Git-Tag: v2.6.32-rc4~57^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a72a8a5f2ea32074e98803d4b15d0e093c5a9e4d;p=pandora-kernel.git

sparc64: Add a basic conflict engine in preparation for multi-counter support.

The hardware counter ->event_base state records and encoding of
the "struct perf_event_map" entry used for the event.

We use this to make sure that when we have more than 1 event,
both can be scheduled into the hardware at the same time.

As usual, structure of code is largely cribbed from powerpc.

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