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Subject: Re: [PATCH bpf-next v5 0/3] destructive bpf_kfuncs
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <166014901698.26898.12684147799083436971.git-patchwork-notify@kernel.org>
Date:   Wed, 10 Aug 2022 16:30:16 +0000
References: <20220810065905.475418-1-asavkov@redhat.com>
In-Reply-To: <20220810065905.475418-1-asavkov@redhat.com>
To:     Artem Savkov <asavkov@redhat.com>
Cc:     ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
        bpf@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, aarcange@redhat.com,
        dvacek@redhat.com, olsajiri@gmail.com, song@kernel.org,
        dxu@dxuuu.xyz, memxor@gmail.com
Precedence: bulk

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Wed, 10 Aug 2022 08:59:02 +0200 you wrote:
> eBPF is often used for kernel debugging, and one of the widely used and
> powerful debugging techniques is post-mortem debugging with a full memory dump.
> Triggering a panic at exactly the right moment allows the user to get such a
> dump and thus a better view at the system's state. Right now the only way to
> do this in BPF is to signal userspace to trigger kexec/panic. This is
> suboptimal as going through userspace requires context changes and adds
> significant delays taking system further away from "the right moment". On a
> single-cpu system the situation is even worse because BPF program won't even be
> able to block the thread of interest.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v5,1/3] bpf: add destructive kfunc flag
    https://git.kernel.org/bpf/bpf-next/c/4dd48c6f1f83
  - [bpf-next,v5,2/3] bpf: export crash_kexec() as destructive kfunc
    https://git.kernel.org/bpf/bpf-next/c/133790596406
  - [bpf-next,v5,3/3] selftests/bpf: add destructive kfunc test
    https://git.kernel.org/bpf/bpf-next/c/e33894581675

You are awesome, thank you!
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