linux-kernel - Re: [PATCH v9 11/13] powerpc: select HAVE_SECCOMP_FILTER and provide seccomp

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Message-ID: <CABqD9haiwc4zretJS2haYmGA0pY9vd1CSOAdhE_HsA7g7RaxSQ@mail.gmail.com>
Date:	Sun, 27 Nov 2011 19:45:45 -0600
From:	Will Drewry <wad@...omium.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linuxppc-dev@...ts.ozlabs.org, fweisbec@...il.com,
	scarybeasts@...il.com, djm@...drot.org,
	linux-kernel@...r.kernel.org, rostedt@...dmis.org,
	segoon@...nwall.com, tglx@...utronix.de,
	Paul Mackerras <paulus@...ba.org>, kees.cook@...onical.com,
	jmorris@...ei.org, torvalds@...ux-foundation.org, mingo@...e.hu
Subject: Re: [PATCH v9 11/13] powerpc: select HAVE_SECCOMP_FILTER and provide seccomp_execve

On Sun, Nov 27, 2011 at 6:14 PM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
> On Tue, 2011-08-30 at 15:28 +1000, Benjamin Herrenschmidt wrote:
>> On Thu, 2011-06-23 at 19:36 -0500, Will Drewry wrote:
>> > Facilitate the use of CONFIG_SECCOMP_FILTER by wrapping compatibility
>> > system call numbering for execve and selecting HAVE_SECCOMP_FILTER.
>> >
>> > v9: rebase on to bccaeafd7c117acee36e90d37c7e05c19be9e7bf
>> >
>> > Signed-off-by: Will Drewry <wad@...omium.org>
>>
>> Seen these around for a while ... :-)
>>
>> I don't see a harm in the patches per-se tho I haven't reviewed the
>> actual seccomp filter stuff and it's good (or bad) behaviour on ppc.
>
> Did that stuff every got anywhere ? I don't see HAVE_SECCOMP_FILTER
> upsteam ... should I just drop the powerpc patch from patchwork ?

Thanks for following up! At present, it stalled out, so I think it'd
make sense to just drop it.  I will repost the series soon-ish and see
if any progress can be made.  [I've explored a number of alternative
approaches and still think something along the seccomp_filter lines is
still rational.]

cheers!
will
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