The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     dedcf8e104414f2e5517c2f9abad4bd31fd5d8e2
Gitweb:        https://git.kernel.org/tip/dedcf8e104414f2e5517c2f9abad4bd31fd5d8e2
Author:        Tony Luck <tony.luck@intel.com>
AuthorDate:    Fri, 15 May 2026 11:02:23 -07:00
Committer:     Dave Hansen <dave.hansen@linux.intel.com>
CommitterDate: Thu, 21 May 2026 11:28:22 -07:00

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

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@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://patch.msgid.link/20260515180224.13818-1-tony.luck@intel.com
---
 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 950bfd0..66d964a 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)