linux-kernel - [PATCH] perf: Add support for IvyBridge model 58 Uncore

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Message-ID: <alpine.DEB.2.02.1304291549320.15827@vincent-weaver-1.um.maine.edu>
Date:	Mon, 29 Apr 2013 15:52:27 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	linux-kernel@...r.kernel.org
cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Stephane Eranian <eranian@...il.com>
Subject: [PATCH] perf: Add support for IvyBridge model 58 Uncore


According to Intel Vol3b 18.9, the IvyBridge model 58 uncore is the
same as that of SandyBridge.

I've done some simple tests and with this patch things seem to work
on my mac-mini.

Signed-off-by: Vince Weaver <vincent.weaver@...ne.edu>

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index b43200d..7756c69 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2853,6 +2853,7 @@ static int __init uncore_cpu_init(void)
 		msr_uncores = nhm_msr_uncores;
 		break;
 	case 42: /* Sandy Bridge */
+	case 58: /* Ivy Bridge */
 		if (snb_uncore_cbox.num_boxes > max_cores)
 			snb_uncore_cbox.num_boxes = max_cores;
 		msr_uncores = snb_msr_uncores;
--
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