[PATCH -tip] perf_counter/x86: Fix the model number of Intel Core2 processors

[Yong Wang <yong.y.wang@linux.intel.com>]

Fix the model number of Intel Core2 processors according to the documentation
Intel Processor Identification with the CPUID Instruction
http://www.intel.com/support/processors/sb/cs-009861.htm

Signed-off-by: Yong Wang <yong.y.wang@intel.com>

---
 arch/x86/kernel/cpu/perf_counter.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 40978aa..a49a82c 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -1407,7 +1407,8 @@ static int intel_pmu_init(void)
 	 * Install the hw-cache-events table:
 	 */
 	switch (boot_cpu_data.x86_model) {
-	case 17:
+	case 15:
+	case 23:
 		memcpy(hw_cache_event_ids, core2_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));