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

Commit-ID:     3006911f284d769b0f66c12b39da130325ef1440
Gitweb:        https://git.kernel.org/tip/3006911f284d769b0f66c12b39da130325ef1440
Author:        Martin Schiller <ms@dev.tdt.de>
AuthorDate:    Mon, 24 Nov 2025 08:48:46 +01:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 17 Dec 2025 13:31:09 +01:00

perf/x86/cstate: Add Airmont NP

>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
---
 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 1e2658b..f3d5ee0 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -613,6 +613,7 @@ 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),