From: technoboy85@gmail.com
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Matteo Croce <teknoraver@meta.com>,
Andrii Nakryiko <andrii@kernel.org>
Subject: [PATCH bpf-next v3 1/2] bpf: enable generic kfuncs for BPF_CGROUP_* programs
Date: Thu, 25 Jul 2024 02:14:10 +0200 [thread overview]
Message-ID: <20240725001411.39614-2-technoboy85@gmail.com> (raw)
In-Reply-To: <20240725001411.39614-1-technoboy85@gmail.com>
From: Matteo Croce <teknoraver@meta.com>
These kfuncs are enabled even in BPF_PROG_TYPE_TRACING, so they
should be safe also in BPF_CGROUP_* programs.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Matteo Croce <teknoraver@meta.com>
---
kernel/bpf/helpers.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index d02ae323996b..0d1d97d968b0 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -3052,6 +3052,12 @@ static int __init kfunc_init(void)
ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_XDP, &generic_kfunc_set);
ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_STRUCT_OPS, &generic_kfunc_set);
ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SYSCALL, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SKB, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_DEVICE, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SYSCTL, &generic_kfunc_set);
+ ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCKOPT, &generic_kfunc_set);
ret = ret ?: register_btf_id_dtor_kfuncs(generic_dtors,
ARRAY_SIZE(generic_dtors),
THIS_MODULE);
--
2.45.2
next prev parent reply other threads:[~2024-07-25 0:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-25 0:14 [PATCH bpf-next v3 0/2] bpf: enable some functions in cgroup programs technoboy85
2024-07-25 0:14 ` technoboy85 [this message]
2024-08-12 16:48 ` [PATCH bpf-next v3 1/2] bpf: enable generic kfuncs for BPF_CGROUP_* programs Matteo Croce
2024-08-12 21:48 ` Andrii Nakryiko
2024-07-25 0:14 ` [PATCH bpf-next v3 2/2] bpf: allow bpf_current_task_under_cgroup() with BPF_CGROUP_* technoboy85
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