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From: Daniel Borkmann <daniel@iogearbox.net>
To: Alexei Starovoitov <ast@plumgrid.com>,
	"David S. Miller" <davem@davemloft.net>
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next] bpf: add missing rcu protection when releasing programs from prog_array
Date: Sat, 30 May 2015 11:02:32 +0200	[thread overview]
Message-ID: <55697CA8.2010606@iogearbox.net> (raw)
In-Reply-To: <5568F4C3.5010007@plumgrid.com>

On 05/30/2015 01:22 AM, Alexei Starovoitov wrote:
...
> Like __sk_filter_release() and __bpf_prog_release() should be removed.

The whole filter cleanup procedure needs to be simplified a bit, got a
bit too complicated over time, agreed.

> Of course, it's a grey line when to introduce a helper and when not to,
> but just because two lines are close enough between two functions it
> doesn't mean that helper is warranted. In this bpf_prog_put() case
> I think helper is not needed _today_. If it grows, we'll reconsider.

Yes, that's what I meant.

  reply	other threads:[~2015-05-30  9:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-29  2:26 [PATCH net-next] bpf: add missing rcu protection when releasing programs from prog_array Alexei Starovoitov
2015-05-29  9:10 ` Daniel Borkmann
2015-05-29 23:22   ` Alexei Starovoitov
2015-05-30  9:02     ` Daniel Borkmann [this message]
2015-05-31  7:28 ` David Miller

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