From b7d45c3f741b114cdda9ee0cd727afaf60a1bf37 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 23 Jun 2010 11:39:02 -0700
Subject: [PATCH] sparc64: Fix maybe_change_configuration() PCR setting.

Need to mask out the existing event bits before OR'ing in
the new ones.

Noticed by Peter Zijlstra.

Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed