RISC-V now builds the sched domain based on the simple possible map.
Enable SCHED_MC to make the building based on cpu_coregroup_mask()
which also takes care of the NUMA and cores with LLC.
Signed-off-by: Song Shuai <[email protected]>
---
arch/riscv/Kconfig | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index c5e42cc37604..5b9fdc1a619a 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -320,6 +320,14 @@ config SMP
If you don't know what to do here, say N.
+config SCHED_MC
+ bool "Multi-core scheduler support"
+ depends on SMP
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places. If unsure say N here.
+
config NR_CPUS
int "Maximum number of CPUs (2-512)"
depends on SMP
--
2.20.1
On Fri, Mar 10, 2023 at 07:03:36PM +0800, Song Shuai wrote:
> RISC-V now builds the sched domain based on the simple possible map.
>
> Enable SCHED_MC to make the building based on cpu_coregroup_mask()
> which also takes care of the NUMA and cores with LLC.
>
> Signed-off-by: Song Shuai <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Thanks,
Conor.
> ---
> arch/riscv/Kconfig | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index c5e42cc37604..5b9fdc1a619a 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -320,6 +320,14 @@ config SMP
>
> If you don't know what to do here, say N.
>
> +config SCHED_MC
> + bool "Multi-core scheduler support"
> + depends on SMP
> + help
> + Multi-core scheduler support improves the CPU scheduler's decision
> + making when dealing with multi-core CPU chips at a cost of slightly
> + increased overhead in some places. If unsure say N here.
> +
> config NR_CPUS
> int "Maximum number of CPUs (2-512)"
> depends on SMP
> --
> 2.20.1
>
On Fri, 10 Mar 2023 19:03:36 +0800, Song Shuai wrote:
> RISC-V now builds the sched domain based on the simple possible map.
>
> Enable SCHED_MC to make the building based on cpu_coregroup_mask()
> which also takes care of the NUMA and cores with LLC.
>
>
Applied, thanks!
[1/1] riscv: Kconfig: enable SCHED_MC kconfig
https://git.kernel.org/palmer/c/8bf7b3b66762
Best regards,
--
Palmer Dabbelt <[email protected]>
Hello:
This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <[email protected]>:
On Fri, 10 Mar 2023 19:03:36 +0800 you wrote:
> RISC-V now builds the sched domain based on the simple possible map.
>
> Enable SCHED_MC to make the building based on cpu_coregroup_mask()
> which also takes care of the NUMA and cores with LLC.
>
> Signed-off-by: Song Shuai <[email protected]>
>
> [...]
Here is the summary with links:
- riscv: Kconfig: enable SCHED_MC kconfig
https://git.kernel.org/riscv/c/8bf7b3b66762
You are awesome, thank you!
--
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