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Date: Fri, 7 Aug 2026 11:08:43 +0800
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Subject: Re: [PATCH bpf-next v4 2/5] bpf: Add ksock kfuncs
To: Mahe Tardy <mahe.tardy@gmail.com>, bpf@vger.kernel.org
Cc: andrew+netdev@lunn.ch, andrii@kernel.org, ast@kernel.org,
 daniel@iogearbox.net, davem@davemloft.net, eddyz87@gmail.com,
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 liamwisehart@meta.com, martin.lau@linux.dev, pabeni@redhat.com,
 song@kernel.org, netdev@vger.kernel.org, sdf.kernel@gmail.com,
 ameryhung@gmail.com, kuniyu@google.com, memxor@gmail.com
References: <20260806182234.380833-1-mahe.tardy@gmail.com>
 <20260806182234.380833-3-mahe.tardy@gmail.com>
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On 8/7/26 2:22 AM, Mahe Tardy wrote:


[...]

> +	return ret;
> +}
> +
> +__bpf_kfunc_end_defs();
> +
> +BTF_KFUNCS_START(ksock_init_kfunc_btf_ids)
> +BTF_ID_FLAGS(func, bpf_ksock_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
> +BTF_ID_FLAGS(func, bpf_ksock_connect, KF_SLEEPABLE)
> +BTF_KFUNCS_END(ksock_init_kfunc_btf_ids)
> +
> +static const struct btf_kfunc_id_set ksock_init_kfunc_set = {
> +	.owner = THIS_MODULE,
> +	.set = &ksock_init_kfunc_btf_ids,
> +};
> +
> +BTF_KFUNCS_START(ksock_kfunc_btf_ids)
> +BTF_ID_FLAGS(func, bpf_ksock_release, KF_RELEASE)
> +BTF_ID_FLAGS(func, bpf_ksock_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)
> +BTF_ID_FLAGS(func, bpf_ksock_send, KF_SLEEPABLE)
> +BTF_KFUNCS_END(ksock_kfunc_btf_ids)
> +
> +BTF_ID_LIST_SINGLE(bpf_lsm_socket_sendmsg_id, func, bpf_lsm_socket_sendmsg)
> +


I guess bpf_lsm_socket_sendmsg will not be compiled when CONFIG_BPF_LSM 
is disabled