From mboxrd@z Thu Jan 1 00:00:00 1970 From: 'Christoph Hellwig' Date: Wed, 22 Jul 2020 08:01:42 +0000 Subject: Re: [PATCH 12/24] bpfilter: switch bpfilter_ip_set_sockopt to sockptr_t Message-Id: <20200722080142.GA26841@lst.de> List-Id: References: <20200720124737.118617-1-hch@lst.de> <20200720124737.118617-13-hch@lst.de> <20200722080023.GC26554@lst.de> In-Reply-To: <20200722080023.GC26554@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Laight Cc: 'Christoph Hellwig' , "David S. Miller" , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Alexey Kuznetsov , Hideaki YOSHIFUJI , Eric Dumazet , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" , "netfilter-devel@vger.kernel.org" , "coreteam@netfilter.org" , "linux-sctp@vger.kernel.org" , "linux-hams@vger.kernel.org" , "linux-bluetooth@vger.kernel.org" , "bridge@lists.linux-foundation.org" , "linux-can@vger.kernel.org" , "dccp@vger.kernel.org" , "linux-decnet-user@lists.sourceforge.net" , "linux-wpan@vger.kernel.org" , "linux-s390@vger.kernel.org" , "mptcp@lists.01.org" , "lvs-devel@vger.kernel.org" , "rds-devel@oss.oracle.com" , "linux-afs@lists.infradead.org" , "tipc-discussion@lists.sourceforge.net" , "linux-x25@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.