From mboxrd@z Thu Jan  1 00:00:00 1970
From: 'Christoph Hellwig' <hch@lst.de>
Subject: Re: [PATCH 12/24] bpfilter: switch bpfilter_ip_set_sockopt to
 sockptr_t
Date: Wed, 22 Jul 2020 10:01:42 +0200
Message-ID: <20200722080142.GA26841@lst.de>
References: <20200720124737.118617-1-hch@lst.de> <20200720124737.118617-13-hch@lst.de> <f9493b4c514441b4b51bc7e4e75e8c40@AcuMS.aculab.com> <20200722080023.GC26554@lst.de>
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To: David Laight <David.Laight@ACULAB.COM>
Cc: 'Christoph Hellwig' <hch@lst.de>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>, Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>, Eric Dumazet <edumazet@google.com>, "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "netdev@vger.kernel.org" <netdev@vger.kernel.org>, "bpf@vger.kernel.org" <bpf@vger.kernel.org>, "netfilter-devel@vger.kernel.org" <netfilter-devel@vger.kernel.org>, "coreteam@netfilter.org" <coreteam@netfilter.org>, "linux-sctp@vger.kernel.org" <linux-sctp@vger.kernel.org>, "linux-hams@vger.kernel.org" <linux-hams@vger.kernel.org>

On Wed, Jul 22, 2020 at 10:00:23AM +0200, 'Christoph Hellwig' wrote:
> On Tue, Jul 21, 2020 at 08:36:57AM +0000, David Laight wrote:
> > From: Christoph Hellwig
> > > Sent: 20 July 2020 13:47
> > > 
> > > This is mostly to prepare for cleaning up the callers, as bpfilter by
> > > design can't handle kernel pointers.
> >                       ^^^ user ??
> 
> No, it can't handle user pointers. 

Err, I mean it can only handle user pointers.