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authorSong Shuai <suagrfillet@gmail.com>2023-02-27 18:59:41 +0800
committerJonathan Corbet <corbet@lwn.net>2023-03-07 10:19:04 -0700
commit5d89176af1ae201c01c10a89b68b27cfc683b76c (patch)
tree7b6b2f61345e955159344ba595a0c005c6ec77fa
parentfe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff)
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.rst2
-rw-r--r--Documentation/translations/zh_CN/scheduler/sched-capacity.rst2
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。