perf_counter/x86: Add a quirk for Atom processors

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The fixed-function performance counters do not work on current Atom
processors. Use the general-purpose ones instead.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20090612080855.GA2286@ywang-moblin2.bj.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Yong Wang 2009-06-12 16:08:55 +08:00 • committed by Ingo Molnar

parent faafec1e61

commit dff5da6d09

1 changed files with 7 additions and 0 deletions

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arch/x86/kernel/cpu/perf_counter.c

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