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[SRU,D/OEM-OSP1-B,16/19] perf/x86/msr: Add Comet Lake CPU support

Message ID 20191121081138.3436161-17-vicamo.yang@canonical.com
State New
Headers show
Series Add perf support for Comet Lake/Ice Lake CPU | expand

Commit Message

You-Sheng Yang Nov. 21, 2019, 8:11 a.m. UTC 
From: Kan Liang <kan.liang@linux.intel.com>

BugLink: https://bugs.launchpad.net/bugs/1848978

Comet Lake is the new 10th Gen Intel processor. PPERF and SMI_COUNT MSRs
are also supported.

The External Design Specification (EDS) is not published yet. It comes
from an authoritative internal source.

The patch has been tested on real hardware.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-4-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(backported from commit 9674b1cc0f94c34f76e58c102623a866836f269e)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 arch/x86/events/msr.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index ace6c1e752fb..6f327c612bcf 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -89,6 +89,8 @@  static bool test_intel(int idx)
 	case INTEL_FAM6_SKYLAKE_X:
 	case INTEL_FAM6_KABYLAKE_MOBILE:
 	case INTEL_FAM6_KABYLAKE_DESKTOP:
+	case INTEL_FAM6_COMETLAKE_L:
+	case INTEL_FAM6_COMETLAKE:
 	case INTEL_FAM6_ICELAKE_MOBILE:
 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
 			return true;