From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 21 May 2013 11:05:37 +0000 (+0200)
Subject: perf/x86/amd: Rework AMD PMU init code
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~62^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b45adcd9a503428e6de6b39bc6892d86c9c1d41;p=pandora-kernel.git

perf/x86/amd: Rework AMD PMU init code

Josh reported that his QEMU is a bad hardware emulator and trips a
WARN in the AMD PMU init code. He requested the WARN be turned into a
pr_err() or similar.

While there, rework the code a little.

Reported-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: Jacob Shin <jacob.shin@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130521110537.GG26912@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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