CONFIG_ARM64_SME is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
ARM Scalable Matrix Extension support
configname: CONFIG_ARM64_SME
Linux Kernel Configuration
└─>Kernel Features
└─>ARM Scalable Matrix Extension support
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
The Scalable Matrix Extension (SME) is an extension to the AArch64
execution state which utilises a substantial subset of the SVE
instruction set, together with the addition of new architectural
register state capable of holding two dimensional matrix tiles to
enable various matrix operations.
execution state which utilises a substantial subset of the SVE
instruction set, together with the addition of new architectural
register state capable of holding two dimensional matrix tiles to
enable various matrix operations.