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Commit 780eef94 authored by Tim Blechmann's avatar Tim Blechmann Committed by Ingo Molnar
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x86: oprofile: don't set counter width from cpuid on Core2



Impact: fix stuck NMIs and non-working oprofile on certain CPUs

Resetting the counter width of the performance counters on Intel's
Core2 CPUs, breaks the delivery of NMIs, when running in x86_64 mode.

This should fix bug #12395:

  http://bugzilla.kernel.org/show_bug.cgi?id=12395

Signed-off-by: default avatarTim Blechmann <tim@klingt.org>
Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
LKML-Reference: <20090303100412.GC10085@erda.amd.com>
Cc: <stable@kernel.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0fc59d3a
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