perf_counter/x86: Add a quirk for Atom processors
authorYong Wang <yong.y.wang@linux.intel.com>
Fri, 12 Jun 2009 08:08:55 +0000 (16:08 +0800)
committerIngo Molnar <mingo@elte.hu>
Fri, 12 Jun 2009 11:48:32 +0000 (13:48 +0200)
commitdff5da6d09daaab40a8741dce0ed3c2e94079de2
treec1f4ce70e4a566a231ba00c775de4e96fb8acb39
parentfaafec1e61e61d350248af2a7e5f047606adab6e
perf_counter/x86: Add a quirk for Atom processors

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>
arch/x86/kernel/cpu/perf_counter.c