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| author | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:44 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:44 -0700 |
| commit | ee56c3e8eec166f4e4a2ca842b7804d14f3a0208 (patch) | |
| tree | 3bcee4a6090d681b7bbb49d1946c95798f166159 /arch/riscv/Kconfig | |
| parent | 00c9d5632277b21ba8802e26c27254cd9d0dfa13 (diff) | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
| download | lwn-ee56c3e8eec166f4e4a2ca842b7804d14f3a0208.tar.gz lwn-ee56c3e8eec166f4e4a2ca842b7804d14f3a0208.zip | |
Merge branch 'master' into mm-nonmm-stable
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c22f58155948..32ffef9f6e5b 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -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. |