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From: Steven Rostedt <rostedt@goodmis.org>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Andrii Nakryiko <andrii@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>,
	Masami Hiramatsu <mhiramat@kernel.org>
Subject: Re: [PATCH bpf-next 2/3] ftrace: Keep address offset in ftrace_lookup_symbols
Date: Sun, 5 Jun 2022 12:55:40 -0400	[thread overview]
Message-ID: <20220605125540.1519a522@rorschach.local.home> (raw)
In-Reply-To: <58130008-a5e4-50e2-0706-e5edb4bfb5a8@iogearbox.net>

On Mon, 30 May 2022 22:20:12 +0200
Daniel Borkmann <daniel@iogearbox.net> wrote:

> On 5/27/22 10:56 PM, Jiri Olsa wrote:
> > We want to store the resolved address on the same index as
> > the symbol string, because that's the user (bpf kprobe link)
> > code assumption.
> > 
> > Also making sure we don't store duplicates that might be
> > present in kallsyms.
> > 
> > Fixes: bed0d9a50dac ("ftrace: Add ftrace_lookup_symbols function")
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > ---
> >   kernel/trace/ftrace.c | 13 +++++++++++--
> >   1 file changed, 11 insertions(+), 2 deletions(-)  
> 
> Steven / Masami, would be great to get an Ack from one of you before applying.

I just don't care for the unnecessary "0x" in the memset, but other than that:

Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>

-- Steve

  reply	other threads:[~2022-06-05 16:55 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-27 20:56 [PATCH bpf-next 0/3] bpf: Fix cookie values for kprobe multi Jiri Olsa
2022-05-27 20:56 ` [PATCH bpf-next 1/3] selftests/bpf: Shuffle cookies symbols in kprobe multi test Jiri Olsa
2022-05-30  5:37   ` Song Liu
2022-05-27 20:56 ` [PATCH bpf-next 2/3] ftrace: Keep address offset in ftrace_lookup_symbols Jiri Olsa
2022-05-30  5:37   ` Song Liu
2022-05-30  7:31     ` Jiri Olsa
2022-05-30 20:20   ` Daniel Borkmann
2022-06-05 16:55     ` Steven Rostedt [this message]
2022-06-02 22:52   ` Andrii Nakryiko
2022-06-03 10:16     ` Jiri Olsa
2022-06-03 19:12       ` Andrii Nakryiko
2022-06-05 16:51   ` Steven Rostedt
2022-06-06 17:56     ` Jiri Olsa
2022-05-27 20:56 ` [PATCH bpf-next 3/3] bpf: Force cookies array to follow symbols sorting Jiri Olsa
2022-05-30  5:40   ` Song Liu
2022-06-02 23:01   ` Andrii Nakryiko
2022-06-02 23:02     ` Andrii Nakryiko
2022-06-03 10:23       ` Jiri Olsa
2022-06-03 21:56         ` Andrii Nakryiko
2022-06-03 10:18     ` Jiri Olsa

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