netdev - Re: [PATCH bpf-next 0/8] bpf: Follow up to RCU enforcement in the verifier.

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Date:   Tue, 4 Apr 2023 18:51:47 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Andrii Nakryiko <andrii.nakryiko@...il.com>,
        David Vernet <void@...ifault.com>,
        "David S. Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...nel.org>,
        Dave Marchevsky <davemarchevsky@...a.com>,
        Tejun Heo <tj@...nel.org>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Kernel Team <kernel-team@...com>,
        Yonghong Song <yhs@...a.com>, Song Liu <song@...nel.org>
Subject: Re: [PATCH bpf-next 0/8] bpf: Follow up to RCU enforcement in the
 verifier.

On Tue, 4 Apr 2023 17:16:27 -0700 Alexei Starovoitov wrote:
> > Added David's acks manually (we really need to teach pw-apply to do
> > this automatically...) and applied.  
> 
> +1
> I was hoping that patchwork will add this feature eventually,
> but it seems faster to hack the pw-apply script instead.

pw-apply can kind of do it. It exports an env variable called ADD_TAGS
if it spots any tags in reply to the cover letter.

You need to add a snippet like this to your .git/hooks/applypatch-msg:

  while IFS= read -r tag; do
    echo -e Adding tag: '\e[35m'$tag'\e[0m'
      git interpret-trailers --in-place \
          --if-exists=addIfDifferent \
          --trailer "$tag" \
          "$1"
  done <<< "$ADD_TAGS"

to transfer those tags onto the commits.

Looking at the code you may also need to use -M to get ADD_TAGS
exported. I'm guessing I put this code under -M so that the extra curl
requests don't slow down the script for everyone. But we can probably
"graduate" that into the main body if you find it useful and hate -M :)