[PATCH 3/4] UBUNTU: SAUCE: perf/x86/msr: Add Rocket Lake CPU support

Timo Aaltonen tjaalton at ubuntu.com
Thu Oct 29 08:51:46 UTC 2020


From: Kan Liang <kan.liang at linux.intel.com>

Like Ice Lake and Tiger Lake, PPERF and SMI_COUNT MSRs are also
supported by Rocket Lake.

Signed-off-by: Kan Liang <kan.liang at linux.intel.com>
Signed-off-by: Timo Aaltonen <timo.aaltonen at canonical.com>
---
 arch/x86/events/msr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index 4be8f9cabd07..680404c58cb1 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -99,6 +99,7 @@ static bool test_intel(int idx, void *data)
 	case INTEL_FAM6_ICELAKE_D:
 	case INTEL_FAM6_TIGERLAKE_L:
 	case INTEL_FAM6_TIGERLAKE:
+	case INTEL_FAM6_ROCKETLAKE:
 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
 			return true;
 		break;
-- 
2.27.0




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