| Message ID | 20220526205646.258337-3-heiko@sntech.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | riscv: some svpbmt fixes | expand |
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 >
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.
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(-)