From: Daniel Borkmann <daniel@iogearbox.net>
To: Alexei Starovoitov <ast@plumgrid.com>, Thomas Graf <tgraf@suug.ch>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Hannes Frederic Sowa <hannes@stressinduktion.org>,
davem@davemloft.net, viro@ZenIV.linux.org.uk,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Alexei Starovoitov <ast@kernel.org>
Subject: Re: [PATCH net-next 3/4] bpf: add support for persistent maps/progs
Date: Thu, 22 Oct 2015 15:22:43 +0200 [thread overview]
Message-ID: <5628E323.1010808@iogearbox.net> (raw)
In-Reply-To: <56281555.3030504@plumgrid.com>
On 10/22/2015 12:44 AM, Alexei Starovoitov wrote:
...
> all users) When you have to hack drivers/base/core.c to get there it
> should have been a warning sign that something is wrong with
> this cdev approach.
Hmm, you know, this had nothing to do with it, merely to save ~20 LoC
that I can do just as well inside BPF framework. No changes in driver
API needed.
>> I've read the discussion passively and my take away is that, frankly,
>> I think the differences are somewhat minor. Both architectures can
>> scale to what we need. Both will do the job. I'm slightly worried about
>> exposing uAPI as a FS, I think that didn't work too well for sysfs. It's
>> pretty much a define the format once and never touch it again kind of
>> deal.
>
> It's even worse in cdev style since it piggy backs on sysfs.
I don't mind with what approach we're going in the end, but this kind
of discussion is really tiring, and not going anywhere.
Lets just make a beer call, so we can hash out a way forward that works
for everyone.
On that note: cheers! ;)
Daniel
next prev parent reply other threads:[~2015-10-22 13:22 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 1:09 [PATCH net-next 0/4] BPF updates Daniel Borkmann
2015-10-16 1:09 ` [PATCH net-next 1/4] bpf: abstract anon_inode_getfd invocations Daniel Borkmann
2015-10-16 1:09 ` [PATCH net-next 2/4] bpf: align and clean bpf_{map,prog}_get helpers Daniel Borkmann
2015-10-16 1:09 ` [PATCH net-next 3/4] bpf: add support for persistent maps/progs Daniel Borkmann
2015-10-16 10:25 ` Hannes Frederic Sowa
2015-10-16 13:36 ` Daniel Borkmann
2015-10-16 16:36 ` Hannes Frederic Sowa
2015-10-16 17:27 ` Daniel Borkmann
2015-10-16 17:37 ` Alexei Starovoitov
2015-10-16 16:18 ` Alexei Starovoitov
2015-10-16 16:43 ` Hannes Frederic Sowa
2015-10-16 17:32 ` Alexei Starovoitov
2015-10-16 17:37 ` Thomas Graf
2015-10-16 17:21 ` Hannes Frederic Sowa
2015-10-16 17:42 ` Alexei Starovoitov
2015-10-16 17:56 ` Daniel Borkmann
2015-10-16 18:41 ` Eric W. Biederman
2015-10-16 19:27 ` Alexei Starovoitov
2015-10-16 19:53 ` Eric W. Biederman
2015-10-16 20:56 ` Alexei Starovoitov
2015-10-16 23:44 ` Eric W. Biederman
2015-10-17 2:43 ` Alexei Starovoitov
2015-10-17 12:28 ` Daniel Borkmann
2015-10-18 2:20 ` Alexei Starovoitov
2015-10-18 15:03 ` Daniel Borkmann
2015-10-18 16:49 ` Daniel Borkmann
2015-10-18 20:59 ` Alexei Starovoitov
2015-10-19 7:36 ` Hannes Frederic Sowa
2015-10-19 9:51 ` Daniel Borkmann
2015-10-19 14:23 ` Daniel Borkmann
2015-10-19 16:22 ` Alexei Starovoitov
2015-10-19 17:37 ` Daniel Borkmann
2015-10-19 18:15 ` Alexei Starovoitov
2015-10-19 18:46 ` Hannes Frederic Sowa
2015-10-19 19:34 ` Alexei Starovoitov
2015-10-19 20:03 ` Hannes Frederic Sowa
2015-10-19 20:48 ` Alexei Starovoitov
2015-10-19 22:17 ` Daniel Borkmann
2015-10-20 0:30 ` Alexei Starovoitov
2015-10-20 8:46 ` Daniel Borkmann
2015-10-20 17:53 ` Alexei Starovoitov
2015-10-20 18:56 ` Eric W. Biederman
2015-10-21 15:17 ` Daniel Borkmann
2015-10-21 18:34 ` Thomas Graf
2015-10-21 22:44 ` Alexei Starovoitov
2015-10-22 13:22 ` Daniel Borkmann [this message]
2015-10-22 19:35 ` Eric W. Biederman
2015-10-23 13:47 ` Daniel Borkmann
2015-10-20 9:43 ` Hannes Frederic Sowa
2015-10-19 23:02 ` Hannes Frederic Sowa
2015-10-20 1:09 ` Alexei Starovoitov
2015-10-20 10:07 ` Hannes Frederic Sowa
2015-10-20 18:44 ` Alexei Starovoitov
2015-10-16 19:54 ` Daniel Borkmann
2015-10-16 1:09 ` [PATCH net-next 4/4] bpf: add sample usages " Daniel Borkmann
2015-10-19 2:53 ` [PATCH net-next 0/4] BPF updates David Miller
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