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authorPeter Zijlstra <peterz@infradead.org>2019-08-27 21:48:25 +0200
committerPeter Zijlstra <peterz@infradead.org>2019-08-28 11:29:32 +0200
commita3d8c0d13bdedf84fe74259f6949b2cdffd80e55 (patch)
tree2c965a8f5a7b76df760ae56a293fe56f109e1cca
parent5ebb34edbefa8ea6a7e109179d5fc7b3529dbeba (diff)
downloadlinux-a3d8c0d13bdedf84fe74259f6949b2cdffd80e55.tar.bz2
x86/intel: Add common OPTDIFFs
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Tony Luck <tony.luck@intel.com> Cc: x86@kernel.org Cc: Dave Hansen <dave.hansen@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Borislav Petkov <bp@alien8.de> Link: https://lkml.kernel.org/r/20190827195122.731530141@infradead.org
-rw-r--r--arch/x86/include/asm/intel-family.h21
1 files changed, 15 insertions, 6 deletions
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 76dc9abb53e9..5c05b2d389c3 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -5,9 +5,6 @@
/*
* "Big Core" Processors (Branded as Core, Xeon, etc...)
*
- * The "_X" parts are generally the EP and EX Xeons, or the
- * "Extreme" ones, like Broadwell-E, or Atom microserver.
- *
* While adding a new CPUID for a new microarchitecture, add a new
* group to keep logically sorted out in chronological order. Within
* that group keep the CPUID for the variants sorted by model number.
@@ -21,9 +18,19 @@
* MICROARCH Is the code name for the micro-architecture for this core.
* N.B. Not the platform name.
* OPTDIFF If needed, a short string to differentiate by market segment.
- * Exact strings here will vary over time. _DESKTOP, _MOBILE, and
- * _X (short for Xeon server) should be used when they are
- * appropriate.
+ *
+ * Common OPTDIFFs:
+ *
+ * - regular client parts
+ * _L - regular mobile parts
+ * _G - parts with extra graphics on
+ * _X - regular server parts
+ * _D - micro server parts
+ *
+ * Historical OPTDIFFs:
+ *
+ * _EP - 2 socket server parts
+ * _EX - 4+ socket server parts
*
* The #define line may optionally include a comment including platform names.
*/
@@ -91,6 +98,8 @@
#define INTEL_FAM6_ATOM_GOLDMONT 0x5C /* Apollo Lake */
#define INTEL_FAM6_ATOM_GOLDMONT_D 0x5F /* Denverton */
+
+/* Note: the micro-architecture is "Goldmont Plus" */
#define INTEL_FAM6_ATOM_GOLDMONT_PLUS 0x7A /* Gemini Lake */
#define INTEL_FAM6_ATOM_TREMONT_D 0x86 /* Jacobsville */