[PATCH v2] x86: Detect Intel Nova Lake Processor

Sunil K Pandey sunil.k.pandey@intel.com
Wed Oct 8 00:34:48 GMT 2025


Detect Intel Nova Lake Processor and tune it similar to Intel Panther
Lake.  https://cdrdv2.intel.com/v1/dl/getContent/671368 Section 1.2.
---
 sysdeps/x86/cpu-features.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 4bdade883e..b67ef541dd 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -544,6 +544,7 @@ enum intel_microarch
   INTEL_BIGCORE_GRANITERAPIDS,
   INTEL_BIGCORE_DIAMONDRAPIDS,
   INTEL_BIGCORE_WILDCATLAKE,
+  INTEL_BIGCORE_NOVALAKE,
 
   /* Mixed (bigcore + atom SOC).  */
   INTEL_MIXED_LAKEFIELD,
@@ -821,6 +822,17 @@ disable_tsx:
 	      break;
 	    }
 	}
+      else if (family == 18)
+	switch (model)
+	  {
+	  case 0x01:
+	  case 0x03:
+	    microarch = INTEL_BIGCORE_NOVALAKE;
+	    break;
+
+	  default:
+	    break;
+	  }
       else if (family == 19)
 	switch (model)
 	  {
@@ -938,6 +950,7 @@ disable_tsx:
 	case INTEL_BIGCORE_ARROWLAKE:
 	case INTEL_BIGCORE_PANTHERLAKE:
 	case INTEL_BIGCORE_WILDCATLAKE:
+	case INTEL_BIGCORE_NOVALAKE:
 	case INTEL_BIGCORE_SAPPHIRERAPIDS:
 	case INTEL_BIGCORE_EMERALDRAPIDS:
 	case INTEL_BIGCORE_GRANITERAPIDS:
-- 
2.51.0



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