Re: [RFC bpf-next v4 4/7] btf: Add a new kfunc set which allows to mark a function to be sleepable

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On Thu, Apr 21, 2022 at 04:07:37PM +0200, Benjamin Tissoires wrote:
> This allows to declare a kfunc as sleepable and prevents its use in
> a non sleepable program.
> 
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

makes sense.
> @@ -17,6 +17,7 @@ enum btf_kfunc_type {
>  	BTF_KFUNC_TYPE_ACQUIRE,
>  	BTF_KFUNC_TYPE_RELEASE,
>  	BTF_KFUNC_TYPE_RET_NULL,
> +	BTF_KFUNC_TYPE_SLEEPABLE,
>  	BTF_KFUNC_TYPE_MAX,
>  };
>  
> @@ -35,6 +36,7 @@ struct btf_kfunc_id_set {
>  			struct btf_id_set *acquire_set;
>  			struct btf_id_set *release_set;
>  			struct btf_id_set *ret_null_set;
> +			struct btf_id_set *sleepable_set;



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