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perf/x86/intel/rapl: Make Knights Landings support functional

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The Knights Landings support added the events and the detection case, but then
returns 0 without actually initializing the driver.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Cc: Harish Chegondi <harish.chegondi@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Fixes: 3a2a779732 "perf/x86/intel/rapl: Add support for Knights Landing (KNL)"
Link: http://lkml.kernel.org/r/20160222221012.149331888@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner 2016-02-22 22:19:20 +00:00 committed by Ingo Molnar
parent 827db839cd
commit 4d120c535d
1 changed files with 1 additions and 1 deletions
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2
arch/x86/events/intel/rapl.c
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@ -731,7 +731,7 @@ static int __init rapl_pmu_init(void)
rapl_add_quirk(rapl_hsw_server_quirk);
rapl_cntr_mask = RAPL_IDX_KNL;
rapl_pmu_events_group.attrs = rapl_events_knl_attr;
break;
default:
/* unsupported */
return 0;