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From: Song Liu <songliubraving@fb.com>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>, <linux-mm@kvack.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>,
	<akpm@linux-foundation.org>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>, KP Singh <kpsingh@kernel.org>
Subject: [PATCH v5 bpf-next 3/4] libbpf: introduce section "iter.s/" for sleepable bpf_iter program
Date: Mon, 8 Feb 2021 14:52:54 -0800	[thread overview]
Message-ID: <20210208225255.3089073-4-songliubraving@fb.com> (raw)
In-Reply-To: <20210208225255.3089073-1-songliubraving@fb.com>

Sleepable iterator program have access to helper functions like bpf_d_path.

Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Song Liu <songliubraving@fb.com>
---
 tools/lib/bpf/libbpf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 2abbc38005684..903ccd7e93206 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8555,6 +8555,11 @@ static const struct bpf_sec_def section_defs[] = {
 		.expected_attach_type = BPF_TRACE_ITER,
 		.is_attach_btf = true,
 		.attach_fn = attach_iter),
+	SEC_DEF("iter.s/", TRACING,
+		.expected_attach_type = BPF_TRACE_ITER,
+		.is_attach_btf = true,
+		.is_sleepable = true,
+		.attach_fn = attach_iter),
 	BPF_EAPROG_SEC("xdp_devmap/",		BPF_PROG_TYPE_XDP,
 						BPF_XDP_DEVMAP),
 	BPF_EAPROG_SEC("xdp_cpumap/",		BPF_PROG_TYPE_XDP,
-- 
2.24.1


  parent reply	other threads:[~2021-02-08 22:54 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 22:52 [PATCH v5 bpf-next 0/4] introduce bpf_iter for task_vma Song Liu
2021-02-08 22:52 ` [PATCH v5 bpf-next 1/4] bpf: introduce task_vma bpf_iter Song Liu
2021-02-08 23:12   ` Yonghong Song
2021-02-09 21:30   ` Alexei Starovoitov
2021-02-09 22:08     ` Song Liu
2021-02-10  3:00       ` Alexei Starovoitov
2021-02-10  8:00         ` Song Liu
2021-02-10 23:02         ` Yonghong Song
2021-02-12  1:41           ` Song Liu
2021-02-08 22:52 ` [PATCH v5 bpf-next 2/4] bpf: allow bpf_d_path in sleepable bpf_iter program Song Liu
2021-02-08 22:52 ` Song Liu [this message]
2021-02-08 22:52 ` [PATCH v5 bpf-next 4/4] selftests/bpf: add test for bpf_iter_task_vma Song Liu
2021-02-08 23:12   ` Yonghong Song

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