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1b45adcd9a
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>