Re: [PATCH v2 2/5] riscv: Improve description for RISCV_ISA_SVPBMT Kconfig symbol

Guo Ren
2022-05-27T02:52:05Z

Reviewed-by: Guo Ren <guoren@kernel.org>

On Fri, May 27, 2022 at 4:57 AM Heiko Stuebner <heiko@sntech.de> wrote:
>
> This improves the symbol's description to make it easier for
> people to understand what it is about.
>
> Suggested-by: Christoph Hellwig <hch@lst.de>
> Suggested-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
> ---
> arch/riscv/Kconfig | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 65285b980134..a4b299ad4473 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -356,8 +356,13 @@ 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.
>
> --
> 2.35.1
>

--
Best Regards
Guo Ren

ML: https://lore.kernel.org/linux-csky/