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authorKan Liang <kan.liang@linux.intel.com>2019-10-08 08:50:04 -0700
committerIngo Molnar <mingo@kernel.org>2019-10-12 15:13:08 +0200
commit9674b1cc0f94c34f76e58c102623a866836f269e (patch)
tree1db94473def554b2f42f6460d75d0c0dea1a7be6
parent9066288b2aab1804dc1eebec6ff88474363b89cb (diff)
downloadlinux-sh-9674b1cc0f94c34f76e58c102623a866836f269e.tar.gz
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@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>
-rw-r--r--arch/x86/events/msr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index b1afc77f0704..c177bbe2ce6b 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;