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| author | Song Shuai <suagrfillet@gmail.com> | 2023-02-27 18:59:41 +0800 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2023-03-07 10:19:04 -0700 |
| commit | 5d89176af1ae201c01c10a89b68b27cfc683b76c (patch) | |
| tree | 7b6b2f61345e955159344ba595a0c005c6ec77fa | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
| download | lwn-5d89176af1ae201c01c10a89b68b27cfc683b76c.tar.gz lwn-5d89176af1ae201c01c10a89b68b27cfc683b76c.zip | |
sched/doc: supplement CPU capacity with RISC-V
This commit 7d2078310cbf ("dt-bindings: arm: move cpu-capacity to a
shared loation") updates some references about capacity-dmips-mhz
property in this document.
The list of architectures using capacity-dmips-mhz omits RISC-V, so
supplements it here.
Signed-off-by: Song Shuai <suagrfillet@gmail.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> # English
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230227105941.2749193-1-suagrfillet@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/scheduler/sched-capacity.rst | 2 | ||||
| -rw-r--r-- | Documentation/translations/zh_CN/scheduler/sched-capacity.rst | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/scheduler/sched-capacity.rst b/Documentation/scheduler/sched-capacity.rst index 8e2b8538bc2b..e2c1cf743158 100644 --- a/Documentation/scheduler/sched-capacity.rst +++ b/Documentation/scheduler/sched-capacity.rst @@ -258,7 +258,7 @@ Linux cannot currently figure out CPU capacity on its own, this information thus needs to be handed to it. Architectures must define arch_scale_cpu_capacity() for that purpose. -The arm and arm64 architectures directly map this to the arch_topology driver +The arm, arm64, and RISC-V architectures directly map this to the arch_topology driver CPU scaling data, which is derived from the capacity-dmips-mhz CPU binding; see Documentation/devicetree/bindings/cpu/cpu-capacity.txt. diff --git a/Documentation/translations/zh_CN/scheduler/sched-capacity.rst b/Documentation/translations/zh_CN/scheduler/sched-capacity.rst index e07ffdd391d3..8cba135dcd1a 100644 --- a/Documentation/translations/zh_CN/scheduler/sched-capacity.rst +++ b/Documentation/translations/zh_CN/scheduler/sched-capacity.rst @@ -231,7 +231,7 @@ CFS调度类基于实体负载跟踪机制（Per-Entity Load Tracking, PELT） 当前，Linux无法凭自身算出CPU算力，因此必须要有把这个信息传递给Linux的方式。每个架构必须为此 定义arch_scale_cpu_capacity()函数。 -arm和arm64架构直接把这个信息映射到arch_topology驱动的CPU scaling数据中（译注：参考 +arm、arm64和RISC-V架构直接把这个信息映射到arch_topology驱动的CPU scaling数据中（译注：参考 arch_topology.h的percpu变量cpu_scale），它是从capacity-dmips-mhz CPU binding中衍生计算 出来的。参见Documentation/devicetree/bindings/cpu/cpu-capacity.txt。 |