[SRU][E][PATCH 5/6] perf/x86/msr: Add new CPU model numbers for Ice Lake

You-Sheng Yang vicamo.yang at canonical.com
Thu Nov 21 08:15:37 UTC 2019


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

BugLink: https://bugs.launchpad.net/bugs/1848978

PPERF and SMI_COUNT MSRs are also supported by Ice Lake desktop and
server.

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/1570549810-25049-6-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo at kernel.org>
(backported from commit 1a5da78d00ce0152994946debd1417513dc35eb3)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 arch/x86/events/msr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
index ddab9d68c1e9..48d2571e5863 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -92,6 +92,9 @@ static bool test_intel(int idx, void *data)
 	case INTEL_FAM6_COMETLAKE_L:
 	case INTEL_FAM6_COMETLAKE:
 	case INTEL_FAM6_ICELAKE_MOBILE:
+	case INTEL_FAM6_ICELAKE_DESKTOP:
+	case INTEL_FAM6_ICELAKE_X:
+	case INTEL_FAM6_ICELAKE_XEON_D:
 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
 			return true;
 		break;
-- 
2.24.0




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