On Tue, Feb 13, 2024 at 04:19:08PM -0800, Easwar Hariharan wrote: > >> diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h > >> index 7c7493cb571f..a632a7514e55 100644 > >> --- a/arch/arm64/include/asm/cputype.h > >> +++ b/arch/arm64/include/asm/cputype.h > >> @@ -61,6 +61,7 @@ > >> #define ARM_CPU_IMP_HISI 0x48 > >> #define ARM_CPU_IMP_APPLE 0x61 > >> #define ARM_CPU_IMP_AMPERE 0xC0 > >> +#define ARM_CPU_IMP_MICROSOFT 0x6D > >> > >> #define ARM_CPU_PART_AEM_V8 0xD0F > >> #define ARM_CPU_PART_FOUNDATION 0xD00 > >> @@ -135,6 +136,8 @@ > >> > >> #define AMPERE_CPU_PART_AMPERE1 0xAC3 > >> > >> +#define MSFT_CPU_PART_AZURE_COBALT_100 0xD49 /* Based on r0p0 of ARM Neoverse N2 */ > >> + > >> #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53) > >> #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57) > >> #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72) > >> @@ -193,6 +196,7 @@ > >> #define MIDR_APPLE_M2_BLIZZARD_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_BLIZZARD_MAX) > >> #define MIDR_APPLE_M2_AVALANCHE_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_AVALANCHE_MAX) > >> #define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1) > >> +#define MIDR_MICROSOFT_AZURE_COBALT_100 MIDR_CPU_MODEL(ARM_CPU_IMP_MICROSOFT, MSFT_CPU_PART_AZURE_COBALT_100) > > > > nitpick: consistently use the abbreviated 'MSFT' for all the definitions > > you're adding. > > I was rather hoping to use Microsoft throughout, but I chose MSFT for the CPU_PART* to align columns > with the other defines. :) If consistency is of a higher priority than column alignment, I can change it > to MICROSOFT rather than MSFT throughout. Consistency across the definitions is more important than alignmen; please choose either "MSFT" or "MICROSOFT" and use that consistently. Mark.