CONFIG_ARC_DSP_KERNEL is not available for thedefaultarchitecture x86.
Result is shown for architecture arc
DSP extension in HW, no support for userspace
configname: CONFIG_ARC_DSP_KERNEL
DSP support
└─>DSP extension in HW, no support for userspace
In linux kernel since version 5.1 (release Date: 2019-05-05)
DSP extension presence in HW, no support for DSP-enabled userspace
applications. We don't save / restore DSP registers and only do
some minimal preparations so userspace won't be able to break kernel
applications. We don't save / restore DSP registers and only do
some minimal preparations so userspace won't be able to break kernel