netdev - Re: [PATCH 1/3] bpf: use 'error_xxx' tags in bpf_kprobe_multi_link

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Message-ID: <97736EC2-A393-4E8C-A7D5-7C6D3CD26CEB@fb.com>
Date:   Thu, 12 May 2022 16:40:09 +0000
From:   Song Liu <songliubraving@...com>
To:     Wan Jiabing <wanjiabing@...o.com>
CC:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, Martin Lau <kafai@...com>,
        Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] bpf: use 'error_xxx' tags in
 bpf_kprobe_multi_link_attach



> On May 12, 2022, at 7:17 AM, Wan Jiabing <wanjiabing@...o.com> wrote:
> 
> Use 'error_addrs', 'error_cookies' and 'error_link' tags to make error
> handling more efficient.
> 
> Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
> ---
> kernel/trace/bpf_trace.c | 20 +++++++++++---------
> 1 file changed, 11 insertions(+), 9 deletions(-)

I seriously think current version is simpler. 

Song