netdev - Re: netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info

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Message-ID: <c7467741-6791-f961-8b3f-c943e282b001@iogearbox.net>
Date:   Fri, 1 Dec 2017 21:13:19 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>
Cc:     Kees Cook <keescook@...omium.org>,
        Shmulik Ladkani <shmulik.ladkani@...il.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        David Miller <davem@...emloft.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        Christoph Hellwig <hch@...radead.org>,
        Thomas Garnier <thgarnie@...gle.com>,
        Jann Horn <jannh@...gle.com>
Subject: Re: netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of
 'xt_bpf_info_v1'

On 12/01/2017 07:28 PM, Linus Torvalds wrote:
> [ Sorry for HTML email crud - traveling and on mobile right now ]
> 
> On Nov 30, 2017 23:54, "Al Viro" <viro@...iv.linux.org.uk> wrote:
> 
> Would cause problems for tracepoints in there, though.  And that, BTW,
> is precisely why I don't want tracepoints in core VFS, TYVM - makes
> restructuring the code harder...
> 
> Just ignore them, see if anybody notices, and then they can add them back.
> Tracepoints shouldn't hold up kernel development, and I doubt these are
> ones that could be noticed by normal users.

Yep, agree, if it really gets in the way, then lets remove them for
now. After all, that was what was decided anyway.