[PATCH 6.18 078/752] perf/x86/cstate: Add Airmont NP

Sasha Levin
2026-02-28T17:49:14Z

From: Martin Schiller <ms@dev.tdt.de>

[ Upstream commit 3006911f284d769b0f66c12b39da130325ef1440 ]

From the perspective of Intel cstate residency counters, the Airmont NP
(aka Lightning Mountain) is identical to the Airmont.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://patch.msgid.link/20251124074846.9653-4-ms@dev.tdt.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/x86/events/intel/cstate.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 6f5286a99e0c3..15db12647b2f8 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -598,6 +598,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_VFM(INTEL_ATOM_SILVERMONT, &slm_cstates),
X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_D, &slm_cstates),
X86_MATCH_VFM(INTEL_ATOM_AIRMONT, &slm_cstates),
+ X86_MATCH_VFM(INTEL_ATOM_AIRMONT_NP, &slm_cstates),

X86_MATCH_VFM(INTEL_BROADWELL, &snb_cstates),
X86_MATCH_VFM(INTEL_BROADWELL_D, &snb_cstates),
--
2.51.0