If you don't know what to do here, say Y.
config RISCV_ISA_SVNAPOT
- bool "SVNAPOT extension support"
+ bool "Svnapot extension support for supervisor mode NAPOT pages"
depends on 64BIT && MMU
depends on RISCV_ALTERNATIVE
default y
help
- Allow kernel to detect the SVNAPOT ISA-extension dynamically at boot
+ Allow kernel to detect the Svnapot ISA-extension dynamically at boot
time and enable its usage.
- The SVNAPOT extension is used to mark contiguous PTEs as a range
+ The Svnapot extension is used to mark contiguous PTEs as a range
of contiguous virtual-to-physical translations for a naturally
aligned power-of-2 (NAPOT) granularity larger than the base 4KB page
size. When HUGETLBFS is also selected this option unconditionally
allocates some memory for each NAPOT page size supported by the kernel.
When optimizing for low memory consumption and for platforms without
- the SVNAPOT extension, it may be better to say N here.
+ the Svnapot extension, it may be better to say N here.
If you don't know what to do here, say Y.
config RISCV_ISA_SVPBMT
- bool "SVPBMT extension support"
+ bool "Svpbmt extension support for supervisor mode page-based memory types"
depends on 64BIT && MMU
depends on RISCV_ALTERNATIVE
default y
help
- Adds support to dynamically detect the presence of the SVPBMT
+ Adds support to dynamically detect the presence of the Svpbmt
ISA-extension (Supervisor-mode: page-based memory types) and
enable its usage.
that indicate the cacheability, idempotency, and ordering
properties for access to that page.
- The SVPBMT extension is only available on 64Bit cpus.
+ The Svpbmt extension is only available on 64-bit cpus.
If you don't know what to do here, say Y.
depends on RISCV_ALTERNATIVE
default y
help
- Enable the use of the ZICBOZ extension (cbo.zero instruction)
+ Enable the use of the Zicboz extension (cbo.zero instruction)
when available.
The Zicboz extension is used for faster zeroing of memory.