Commit 924cbb8c authored by Heiko Stuebner's avatar Heiko Stuebner Committed by Palmer Dabbelt

riscv: Improve description for RISCV_ISA_SVPBMT Kconfig symbol

This improves the symbol's description to make it easier for
people to understand what it is about.
Suggested-by: default avatarChristoph Hellwig <hch@lst.de>
Suggested-by: default avatarPhilipp Tomsich <philipp.tomsich@vrull.eu>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Reviewed-by: default avatarGuo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20220526205646.258337-3-heiko@sntech.deSigned-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 237c0ee4
......@@ -364,8 +364,13 @@ config RISCV_ISA_SVPBMT
select RISCV_ALTERNATIVE
default y
help
Adds support to dynamically detect the presence of the SVPBMT extension
(Supervisor-mode: page-based memory types) and enable its usage.
Adds support to dynamically detect the presence of the SVPBMT
ISA-extension (Supervisor-mode: page-based memory types) and
enable its usage.
The memory type for a page contains a combination of attributes
that indicate the cacheability, idempotency, and ordering
properties for access to that page.
The SVPBMT extension is only available on 64Bit cpus.
......
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