Re: [RFC PATCH v15 1/7] sched: Add CONFIG_SCHED_PROXY_EXEC & boot argument to enable/disable

[Peter Zijlstra]

On Wed, Mar 12, 2025 at 03:11:31PM -0700, John Stultz wrote:

> diff --git a/init/Kconfig b/init/Kconfig
> index d0d021b3fa3b3..b989ddc27444e 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -875,6 +875,16 @@ config UCLAMP_BUCKETS_COUNT
>  
>  	  If in doubt, use the default value.
>  
> +config SCHED_PROXY_EXEC
> +	bool "Proxy Execution"
> +	default n
> +	# Avoid some build failures w/ PREEMPT_RT until it can be fixed
> +	depends on !PREEMPT_RT
	depends on !SPM && !SCHED_CLASS_EXT

for now, right?

> +	depends on EXPERT
> +	help
> +	  This option enables proxy execution, a mechanism for mutex-owning
> +	  tasks to inherit the scheduling context of higher priority waiters.
> +