public inbox for netdev@vger.kernel.org 
 help / color / mirror / Atom feed

From: Masami Hiramatsu <mhiramat@kernel•org>
To: Thomas Gleixner <tglx@linutronix•de>,
	Ingo Molnar <mingo@redhat•com>, Borislav Petkov <bp@alien8•de>,
	Dave Hansen <dave.hansen@linux•intel.com>,
	x86@kernel•org, Peter Zijlstra <peterz@infradead•org>
Cc: Jiri Olsa <jolsa@kernel•org>, Alexei Starovoitov <ast@kernel•org>,
	Andrii Nakryiko <andrii.nakryiko@gmail•com>,
	Daniel Borkmann <daniel@iogearbox•net>,
	Andrii Nakryiko <andrii@kernel•org>,
	Masami Hiramatsu <mhiramat@kernel•org>,
	netdev@vger•kernel.org, bpf@vger•kernel.org,
	lkml <linux-kernel@vger•kernel.org>,
	Martin KaFai Lau <kafai@fb•com>, Song Liu <songliubraving@fb•com>,
	Yonghong Song <yhs@fb•com>,
	John Fastabend <john.fastabend@gmail•com>,
	KP Singh <kpsingh@chromium•org>,
	Steven Rostedt <rostedt@goodmis•org>,
	"Naveen N . Rao" <naveen.n.rao@linux•ibm.com>,
	Anil S Keshavamurthy <anil.s.keshavamurthy@intel•com>,
	"David S . Miller" <davem@davemloft•net>
Subject: [PATCH v13 bpf-next 0/1] fprobe: Introduce fprobe function entry/exit probe
Date: Wed, 23 Mar 2022 11:34:46 +0900	[thread overview]
Message-ID: <164800288611.1716332.7053663723617614668.stgit@devnote2> (raw)

Hi,

Here is the 13th version of rethook x86 port. This is developed for a part
of fprobe series [1] for hooking function return. But since I forgot to send
it to arch maintainers, that caused conflict with IBT and SLS mitigation series.
Now I picked the x86 rethook part and send it to x86 maintainers to be
reviewed.

[1] https://lore.kernel.org/all/164735281449.1084943.12438881786173547153.stgit@devnote2/T/#u

Note that this patch is still for the bpf-next since the rethook itself
is on the bpf-next tree. But since this also uses the ANNOTATE_NOENDBR
macro which has been introduced by IBT/ENDBR patch, to build this series
you need to merge the tip/master branch with the bpf-next.
(hopefully, it is rebased soon)

The fprobe itself is for providing the function entry/exit probe
with multiple probe point. The rethook is a sub-feature to hook the
function return as same as kretprobe does. Eventually, I would like
to replace the kretprobe's trampoline with this rethook.

Thank you,

---

Masami Hiramatsu (1):
      rethook: x86: Add rethook x86 implementation


 arch/x86/Kconfig                 |    1 
 arch/x86/include/asm/unwind.h    |    8 ++-
 arch/x86/kernel/Makefile         |    1 
 arch/x86/kernel/kprobes/common.h |    1 
 arch/x86/kernel/rethook.c        |  121 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 arch/x86/kernel/rethook.c

--
Masami Hiramatsu (Linaro) <mhiramat@kernel•org>

next             reply	other threads:[~2022-03-23  2:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-23  2:34 Masami Hiramatsu [this message]
2022-03-23  2:34 ` [PATCH v13 bpf-next 1/1] rethook: x86: Add rethook x86 implementation Masami Hiramatsu
2022-03-23  8:05   ` Peter Zijlstra
2022-03-23 11:41     ` Masami Hiramatsu
2022-03-23 12:34       ` Peter Zijlstra
2022-03-23 15:14         ` Masami Hiramatsu
2022-03-25  2:03       ` Alexei Starovoitov
2022-03-25  2:21         ` Masami Hiramatsu
2022-03-25  2:41           ` Alexei Starovoitov
2022-03-23  5:42 ` [PATCH v13 bpf-next 0/1] fprobe: Introduce fprobe function entry/exit probe Masami Hiramatsu
2022-03-23 14:18 ` Mark Rutland
2022-03-23 14:55   ` Masami Hiramatsu
2022-03-23 16:47     ` Mark Rutland

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=164800288611.1716332.7053663723617614668.stgit@devnote2 \
    --to=mhiramat@kernel$(echo .)org \
    --cc=andrii.nakryiko@gmail$(echo .)com \
    --cc=andrii@kernel$(echo .)org \
    --cc=anil.s.keshavamurthy@intel$(echo .)com \
    --cc=ast@kernel$(echo .)org \
    --cc=bp@alien8$(echo .)de \
    --cc=bpf@vger$(echo .)kernel.org \
    --cc=daniel@iogearbox$(echo .)net \
    --cc=dave.hansen@linux$(echo .)intel.com \
    --cc=davem@davemloft$(echo .)net \
    --cc=john.fastabend@gmail$(echo .)com \
    --cc=jolsa@kernel$(echo .)org \
    --cc=kafai@fb$(echo .)com \
    --cc=kpsingh@chromium$(echo .)org \
    --cc=linux-kernel@vger$(echo .)kernel.org \
    --cc=mingo@redhat$(echo .)com \
    --cc=naveen.n.rao@linux$(echo .)ibm.com \
    --cc=netdev@vger$(echo .)kernel.org \
    --cc=peterz@infradead$(echo .)org \
    --cc=rostedt@goodmis$(echo .)org \
    --cc=songliubraving@fb$(echo .)com \
    --cc=tglx@linutronix$(echo .)de \
    --cc=x86@kernel$(echo .)org \
    --cc=yhs@fb$(echo .)com \
    /path/to/YOUR_REPLY

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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox