All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hou Tao <houtao1@huawei.com>
To: Alexei Starovoitov <ast@kernel.org>
Cc: Yonghong Song <yhs@fb.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	Martin KaFai Lau <kafai@fb.com>, <netdev@vger.kernel.org>,
	<bpf@vger.kernel.org>, <houtao1@huawei.com>
Subject: [PATCH bpf-next v3 2/3] libbpf: support detecting and attaching of writable tracepoint program
Date: Tue, 28 Sep 2021 22:07:33 +0800	[thread overview]
Message-ID: <20210928140734.1274261-3-houtao1@huawei.com> (raw)
In-Reply-To: <20210928140734.1274261-1-houtao1@huawei.com>

Program on writable tracepoint is BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
but its attachment is the same as BPF_PROG_TYPE_RAW_TRACEPOINT.

Signed-off-by: Hou Tao <houtao1@huawei.com>
---
 tools/lib/bpf/libbpf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index ef5db34bf913..b874c0179084 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -7976,6 +7976,10 @@ static const struct bpf_sec_def section_defs[] = {
 		.attach_fn = attach_raw_tp),
 	SEC_DEF("raw_tp/", RAW_TRACEPOINT,
 		.attach_fn = attach_raw_tp),
+	SEC_DEF("raw_tracepoint.w/", RAW_TRACEPOINT_WRITABLE,
+		.attach_fn = attach_raw_tp),
+	SEC_DEF("raw_tp.w/", RAW_TRACEPOINT_WRITABLE,
+		.attach_fn = attach_raw_tp),
 	SEC_DEF("tp_btf/", TRACING,
 		.expected_attach_type = BPF_TRACE_RAW_TP,
 		.is_attach_btf = true,
-- 
2.29.2


  parent reply	other threads:[~2021-09-28 13:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-28 14:07 [PATCH bpf-next v3 0/3] add support for writable bare tracepoint Hou Tao
2021-09-28 14:07 ` [PATCH bpf-next v3 1/3] bpf: support writable context for " Hou Tao
2021-09-28 14:07 ` Hou Tao [this message]
2021-09-28 23:11   ` [PATCH bpf-next v3 2/3] libbpf: support detecting and attaching of writable tracepoint program Andrii Nakryiko
2021-09-28 14:07 ` [PATCH bpf-next v3 3/3] bpf/selftests: add test for writable bare tracepoint Hou Tao
2021-09-28 23:10   ` Andrii Nakryiko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210928140734.1274261-3-houtao1@huawei.com \
    --to=houtao1@huawei.com \
    --cc=andrii@kernel.org \
    --cc=ast@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=kafai@fb.com \
    --cc=netdev@vger.kernel.org \
    --cc=yhs@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.