CONFIG_RISCV_ISA_ZICBOM is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
Zicbom extension support for non-coherent DMA operation
configname: CONFIG_RISCV_ISA_ZICBOM
Linux Kernel Configuration
└─>Platform type
└─>Zicbom extension support for non-coherent DMA operation
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
Adds support to dynamically detect the presence of the ZICBOM
extension (Cache Block Management Operations) and enable its
usage.
The Zicbom extension can be used to handle for example
non-coherent DMA support on devices that need it.
If you don't know what to do here, say Y.
extension (Cache Block Management Operations) and enable its
usage.
The Zicbom extension can be used to handle for example
non-coherent DMA support on devices that need it.
If you don't know what to do here, say Y.