From: Steven Rostedt <rostedt@goodmis.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Joel Fernandes <joel@joelfernandes.org>,
Daniel Colascione <dancol@google.com>,
Karim Yaghmour <karim.yaghmour@opersys.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greg KH <gregkh@linuxfoundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alexei Starovoitov <ast@kernel.org>,
atish patra <atishp04@gmail.com>,
Dan Williams <dan.j.williams@intel.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Guenter Roeck <groeck@chromium.org>,
Jonathan Corbet <corbet@lwn.net>,
Kees Cook <keescook@chromium.org>,
Android Kernel Team <kernel-team@android.com>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
linux-trace-devel@vger.kernel.org,
Manoj Rao <linux@manojrajarao.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Qais Yousef <qais.yousef@arm.com>,
Randy Dunlap <rdunlap@infradead.org>,
Shuah Khan <shuah@kernel.org>, Yonghong Song <yhs@fb.com>
Subject: Re: [PATCH v4 1/2] Provide in-kernel headers for making it easy to extend the kernel
Date: Tue, 12 Mar 2019 11:26:50 -0400 [thread overview]
Message-ID: <20190312112650.680e27c4@gandalf.local.home> (raw)
In-Reply-To: <20190312014522.jfxg3pdav2piuaqs@ast-mbp>
On Mon, 11 Mar 2019 18:45:24 -0700
Alexei Starovoitov <alexei.starovoitov@gmail.com> wrote:
> what you're asking for we already have. It's called BTF.
Cool.
> pahole takes vmlinux dwarf and convert it into ~1Mbyte of BTF that includes
> all kernel types.
> With gzip it can be compressed further if necessary.
> We also have a prototype to generate all_vmlinux_types.h from BTF.
> But it's not a substitute for kernel headers.
> We've had a long discussion during last LPC regarding this:
> http://vger.kernel.org/lpc-bpf2018.html#session-2
> tldr: many tracing use cases will be solved with BTF, but kernel headers
> are here to stay.
Is this work a result of that session? (I was only able to attend part
of the BPF sessions due to conflicts). I guess I should watch the
videos.
-- Steve
next prev parent reply other threads:[~2019-03-12 15:26 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 16:08 [PATCH v4 1/2] Provide in-kernel headers for making it easy to extend the kernel Joel Fernandes (Google)
2019-03-01 16:08 ` [PATCH v4 2/2] Add selftests for module build using in-kernel headers Joel Fernandes (Google)
2019-03-02 21:59 ` [PATCH v4 1/2] Provide in-kernel headers for making it easy to extend the kernel kbuild test robot
2019-03-03 16:11 ` Joel Fernandes
2019-03-06 12:26 ` Masahiro Yamada
2019-03-06 17:49 ` Joel Fernandes
2019-03-07 4:59 ` Masahiro Yamada
2019-03-07 14:54 ` Joel Fernandes
2019-03-07 23:23 ` Justin Capella
2019-03-06 18:16 ` Joel Fernandes
2019-03-07 4:54 ` Masahiro Yamada
2019-03-03 2:04 ` kbuild test robot
2019-03-04 14:00 ` Qais Yousef
2019-03-05 16:27 ` Joel Fernandes
2019-03-04 22:48 ` Dietmar Eggemann
2019-03-05 16:25 ` Joel Fernandes
2019-03-07 8:58 ` Geert Uytterhoeven
2019-03-07 15:03 ` Joel Fernandes
2019-03-07 15:23 ` Greg KH
2019-03-07 16:54 ` Joel Fernandes
[not found] ` <20190318185742.109dee5c@alans-desktop>
2019-03-18 19:11 ` Daniel Colascione
2019-03-18 21:11 ` Karim Yaghmour
2019-03-08 8:53 ` Geert Uytterhoeven
2019-03-08 13:42 ` Joel Fernandes
2019-03-08 13:57 ` Enrico Weigelt, metux IT consult
2019-03-08 14:04 ` Greg KH
2019-03-08 14:02 ` Greg KH
2019-03-08 17:58 ` Joel Fernandes
2019-03-08 17:59 ` Geert Uytterhoeven
2019-03-09 7:16 ` Greg KH
2019-03-09 11:40 ` Geert Uytterhoeven
2019-03-09 12:11 ` Greg KH
2019-03-09 16:51 ` Karim Yaghmour
2019-03-09 19:26 ` Geert Uytterhoeven
2019-03-09 21:44 ` Karim Yaghmour
2019-03-11 8:03 ` Geert Uytterhoeven
2019-03-12 15:15 ` Karim Yaghmour
2019-03-11 23:36 ` Steven Rostedt
2019-03-11 23:58 ` Daniel Colascione
2019-03-12 0:39 ` Joel Fernandes
2019-03-12 1:28 ` Steven Rostedt
2019-03-12 1:38 ` Joel Fernandes
2019-03-13 1:18 ` Masami Hiramatsu
2019-03-14 12:27 ` Joel Fernandes
2019-03-15 13:14 ` Masami Hiramatsu
2019-03-12 1:45 ` Alexei Starovoitov
2019-03-12 15:26 ` Steven Rostedt [this message]
2019-03-12 1:22 ` Steven Rostedt
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=20190312112650.680e27c4@gandalf.local.home \
--to=rostedt@goodmis.org \
--cc=akpm@linux-foundation.org \
--cc=alexei.starovoitov@gmail.com \
--cc=ast@kernel.org \
--cc=atishp04@gmail.com \
--cc=corbet@lwn.net \
--cc=dan.j.williams@intel.com \
--cc=dancol@google.com \
--cc=dietmar.eggemann@arm.com \
--cc=geert@linux-m68k.org \
--cc=gregkh@linuxfoundation.org \
--cc=groeck@chromium.org \
--cc=joel@joelfernandes.org \
--cc=karim.yaghmour@opersys.com \
--cc=keescook@chromium.org \
--cc=kernel-team@android.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-trace-devel@vger.kernel.org \
--cc=linux@manojrajarao.com \
--cc=mhiramat@kernel.org \
--cc=qais.yousef@arm.com \
--cc=rdunlap@infradead.org \
--cc=shuah@kernel.org \
--cc=yamada.masahiro@socionext.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).