[PATCH v2 2/2] powerpc/bpf: enable kfunc call

[Christophe Leroy]

Le 01/02/2024 à 18:12, Hari Bathini a écrit :
> With module addresses supported, override bpf_jit_supports_kfunc_call()
> to enable kfunc support. Module address offsets can be more than 32-bit
> long, so override bpf_jit_supports_far_kfunc_call() to enable 64-bit
> pointers.

What's the impact on PPC32 ? There are no 64-bit pointers on PPC32.

> 
> Signed-off-by: Hari Bathini <hbathini at linux.ibm.com>
> ---
> 
> * No changes since v1.
> 
> 
>   arch/powerpc/net/bpf_jit_comp.c | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
> index 7b4103b4c929..f896a4213696 100644
> --- a/arch/powerpc/net/bpf_jit_comp.c
> +++ b/arch/powerpc/net/bpf_jit_comp.c
> @@ -359,3 +359,13 @@ void bpf_jit_free(struct bpf_prog *fp)
>   
>   	bpf_prog_unlock_free(fp);
>   }
> +
> +bool bpf_jit_supports_kfunc_call(void)
> +{
> +	return true;
> +}
> +
> +bool bpf_jit_supports_far_kfunc_call(void)
> +{
> +	return true;
> +}