Commit 19d3a81f authored by Kan Liang's avatar Kan Liang Committed by Peter Zijlstra
Browse files

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: default avatarKan Liang <kan.liang@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarAndi Kleen <ak@linux.intel.com>
Link: https://lkml.kernel.org/r/1618237865-33448-24-git-send-email-kan.liang@linux.intel.com
parent 772ed05f

arch/x86/events/msr.c

+2 −0
Original line number Diff line number Diff line
@@ -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;