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

From: tip-bot2 for Kan Liang
Date: Wed Oct 09 2019 - 08:59:58 EST


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

Commit-ID: 0dcbd5393eae6915a85cb0079a90ec3dc89c455f
Gitweb: https://git.kernel.org/tip/0dcbd5393eae6915a85cb0079a90ec3dc89c455f
Author: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 08 Oct 2019 08:50:04 -07:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Wed, 09 Oct 2019 12:44:15 +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@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/1570549810-25049-4-git-send-email-kan.liang@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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;