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authorKan Liang <kan.liang@linux.intel.com>2021-04-12 07:31:03 -0700
committerPeter Zijlstra <peterz@infradead.org>2021-04-19 20:03:29 +0200
commit19d3a81fd92dc9b73950564955164ecfd0dfbea1 (patch)
tree3ef4175a09fde7073d7472cea9910eeb6d9a28de /arch/x86/events/msr.c
parent772ed05f3c5ce722b9de6c4c2dd87538a33fb8d3 (diff)
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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 <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/1618237865-33448-24-git-send-email-kan.liang@linux.intel.com
Diffstat (limited to 'arch/x86/events/msr.c')
-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 680404c58cb1..c853b28efa33 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;