[PATCH] x86/cpu: Add Intel CPU model number for rugged Panther Lake

From: Tony Luck

Date: Fri May 15 2026 - 14:25:23 EST


Derivative of Panther Lake with P-cores and low power E-cores intended
for use in harsh environments.

Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
---
arch/x86/include/asm/intel-family.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 950bfd006905..66d964afe18a 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -29,6 +29,7 @@
* _N,_P - other mobile parts
* _H - premium mobile parts
* _S - other client parts
+ * _R - ruggedized for harsh environment
*
* Historical OPTDIFFs:
*
@@ -151,6 +152,7 @@
#define INTEL_LUNARLAKE_M IFM(6, 0xBD) /* Lion Cove / Skymont */

#define INTEL_PANTHERLAKE_L IFM(6, 0xCC) /* Cougar Cove / Darkmont */
+#define INTEL_PANTHERLAKE_R IFM(6, 0xE5) /* Cougar Cove / Darkmont */

#define INTEL_WILDCATLAKE_L IFM(6, 0xD5)

--
2.54.0