netdev - Re: [PATCH v2] bpf: fix mount source show for bpffs

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Date:   Tue, 11 Jan 2022 10:20:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     daniel@...earbox.net, ast@...nel.org, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        christian.brauner@...ntu.com, dhowells@...hat.com,
        viro@...iv.linux.org.uk
Subject: Re: [PATCH v2] bpf: fix mount source show for bpffs

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Sat,  8 Jan 2022 13:46:23 +0000 you wrote:
> We noticed our tc ebpf tools can't start after we upgrade our in-house
> kernel version from 4.19 to 5.10. That is because of the behaviour change
> in bpffs caused by commit
> d2935de7e4fd ("vfs: Convert bpf to use the new mount API").
> 
> In our tc ebpf tools, we do strict environment check. If the enrioment is
> not match, we won't allow to start the ebpf progs. One of the check is
> whether bpffs is properly mounted. The mount information of bpffs in
> kernel-4.19 and kernel-5.10 are as follows,
> 
> [...]

Here is the summary with links:
  - [v2] bpf: fix mount source show for bpffs
    https://git.kernel.org/bpf/bpf/c/1e9d74660d4d

You are awesome, thank you!
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