From: Alexei Starovoitov <ast@plumgrid.com>
To: Daniel Borkmann <daniel@iogearbox.net>, davem@davemloft.net
Cc: keescook@chromium.org, nschichan@freebox.fr, netdev@vger.kernel.org
Subject: Re: [PATCH net-next 2/4] seccomp: simplify seccomp_prepare_filter and reuse bpf_prepare_filter
Date: Wed, 06 May 2015 08:15:18 -0700 [thread overview]
Message-ID: <554A3006.6010003@plumgrid.com> (raw)
In-Reply-To: <7c2f7da437c992f239d7e3883983dc25500b77b2.1430908145.git.daniel@iogearbox.net>
On 5/6/15 7:12 AM, Daniel Borkmann wrote:
> From: Nicolas Schichan <nschichan@freebox.fr>
>
> Remove the calls to bpf_check_classic(), bpf_convert_filter() and
> bpf_migrate_runtime() and let bpf_prepare_filter() take care of that
> instead.
>
> seccomp_check_filter() is passed to bpf_prepare_filter() so that it
> gets called from there, after bpf_check_classic().
>
> We can now remove exposure of two internal classic BPF functions
> previously used by seccomp. The export of bpf_check_classic() symbol,
> previously known as sk_chk_filter(), was there since pre git times,
> and no in-tree module was using it, therefore remove it.
>
> Joint work with Daniel Borkmann.
>
> Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Alexei Starovoitov <ast@plumgrid.com>
> Cc: Kees Cook <keescook@chromium.org>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
next prev parent reply other threads:[~2015-05-06 15:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-06 14:12 [PATCH net-next 0/4] BPF updates Daniel Borkmann
2015-05-06 14:12 ` [PATCH net-next 1/4] net: filter: add a callback to allow classic post-verifier transformations Daniel Borkmann
2015-05-06 15:12 ` Alexei Starovoitov
2015-05-06 14:12 ` [PATCH net-next 2/4] seccomp: simplify seccomp_prepare_filter and reuse bpf_prepare_filter Daniel Borkmann
2015-05-06 15:15 ` Alexei Starovoitov [this message]
2015-05-06 14:12 ` [PATCH net-next 3/4] net: filter: add __GFP_NOWARN flag for larger kmem allocs Daniel Borkmann
2015-05-06 15:16 ` Alexei Starovoitov
2015-05-06 14:12 ` [PATCH net-next 4/4] seccomp, filter: add and use bpf_prog_create_from_user from seccomp Daniel Borkmann
2015-05-06 15:21 ` Alexei Starovoitov
2015-05-09 21:33 ` [PATCH net-next 0/4] BPF updates David Miller
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