netdev - Re: [PATCH net-next] bpf, seccomp: prepare for upcoming criu support

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Message-ID: <560EA0FD.30406@iogearbox.net>
Date:	Fri, 02 Oct 2015 17:21:33 +0200
From:	Daniel Borkmann <daniel@...earbox.net>
To:	Alexei Starovoitov <ast@...mgrid.com>, davem@...emloft.net
CC:	netdev@...r.kernel.org,
	Tycho Andersen <tycho.andersen@...onical.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Kees Cook <keescook@...omium.org>,
	Andy Lutomirski <luto@...capital.net>
Subject: Re: [PATCH net-next] bpf, seccomp: prepare for upcoming criu support

On 10/02/2015 05:09 PM, Alexei Starovoitov wrote:
...
> I agree that adding flag to bpf_prog_create_from_user() is cleaner
> than exposing static bpf_prog_store_orig_filter(), so

There's also another reason as mentioned, i.e. that the progs
are ro-locked, so doing bpf_prog_store_orig_filter() after getting
the prog back inside seccomp won't work as-is.

> Acked-by: Alexei Starovoitov <ast@...mgrid.com>

Thanks,
Daniel
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