[SRU][D/OEM-OSP1-B][PATCH 16/19] perf/x86/msr: Add Comet Lake CPU support
You-Sheng Yang
vicamo.yang at canonical.com
Thu Nov 21 08:11:35 UTC 2019
From: Kan Liang <kan.liang at 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 at linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz at infradead.org>
Cc: Linus Torvalds <torvalds at linux-foundation.org>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Thomas Gleixner <tglx at 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 at kernel.org>
(backported from commit 9674b1cc0f94c34f76e58c102623a866836f269e)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
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 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;
--
2.24.0
More information about the kernel-team
mailing list