linux-kernel - [tip: perf/urgent] perf/x86/msr: Add Comet Lake CPU support

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Message-ID: <157088635878.9978.15832003993247143361.tip-bot2@tip-bot2>
Date:   Sat, 12 Oct 2019 13:19:18 -0000
From:   "tip-bot2 for Kan Liang" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Kan Liang <kan.liang@...ux.intel.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
        linux-kernel@...r.kernel.org
Subject: [tip: perf/urgent] perf/x86/msr: Add Comet Lake CPU support

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     9674b1cc0f94c34f76e58c102623a866836f269e
Gitweb:        https://git.kernel.org/tip/9674b1cc0f94c34f76e58c102623a866836f269e
Author:        Kan Liang <kan.liang@...ux.intel.com>
AuthorDate:    Tue, 08 Oct 2019 08:50:04 -07:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Sat, 12 Oct 2019 15:13:08 +02:00

perf/x86/msr: Add Comet Lake CPU support

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@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-4-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/events/msr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index b1afc77..c177bbe 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -89,6 +89,8 @@ static bool test_intel(int idx, void *data)
 	case INTEL_FAM6_SKYLAKE_X:
 	case INTEL_FAM6_KABYLAKE_L:
 	case INTEL_FAM6_KABYLAKE:
+	case INTEL_FAM6_COMETLAKE_L:
+	case INTEL_FAM6_COMETLAKE:
 	case INTEL_FAM6_ICELAKE_L:
 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
 			return true;