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

Commit-ID:     19d3a81fd92dc9b73950564955164ecfd0dfbea1
Gitweb:        
https://git.kernel.org/tip/19d3a81fd92dc9b73950564955164ecfd0dfbea1
Author:        Kan Liang <[email protected]>
AuthorDate:    Mon, 12 Apr 2021 07:31:03 -07:00
Committer:     Peter Zijlstra <[email protected]>
CommitterDate: Mon, 19 Apr 2021 20:03:29 +02:00

perf/x86/msr: Add Alder Lake CPU support

PPERF and SMI_COUNT MSRs are also supported on Alder Lake.

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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Andi Kleen <[email protected]>
Link: 
https://lkml.kernel.org/r/[email protected]
---
 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 680404c..c853b28 100644
--- a/arch/x86/events/msr.c
+++ b/arch/x86/events/msr.c
@@ -100,6 +100,8 @@ static bool test_intel(int idx, void *data)
        case INTEL_FAM6_TIGERLAKE_L:
        case INTEL_FAM6_TIGERLAKE:
        case INTEL_FAM6_ROCKETLAKE:
+       case INTEL_FAM6_ALDERLAKE:
+       case INTEL_FAM6_ALDERLAKE_L:
                if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
                        return true;
                break;

Reply via email to