linux-kernel - Re: [PATCH v4 0/3] powerpc: Enable seccomp filter support

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Date:	Mon, 23 Mar 2015 13:44:43 +0200
From:	Purcareata Bogdan <b43198@...escale.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Michael Ellerman <mpe@...erman.id.au>
CC:	Bogdan Purcareata <bogdan.purcareata@...escale.com>,
	<paulus@...ba.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<mpe@...erman.id.au>, <linux-kernel@...r.kernel.org>,
	<pmoore@...hat.com>, <strosake@...ux.vnet.ibm.com>,
	Scott Wood <scottwood@...escale.com>
Subject: Re: [PATCH v4 0/3] powerpc: Enable seccomp filter support

On 27.02.2015 22:54, Benjamin Herrenschmidt wrote:
> On Fri, 2015-02-27 at 09:28 +0200, Purcareata Bogdan wrote:
>> Ping?
>
> What is the ping for ?
>
> Ben.

Hello Ben,

I just wanted to check with you what's the current status of these 
patches. I noticed in patchwork [1][2][3] that the patches are marked as 
non-applicable.

As of today, I cloned Michael Ellerman's tree [4], applied the patches 
on the master branch, compiled and tested. Tests pass both with the 
libseccomp regression suite and my LXC tests.

Is there a specific tree I should send them against, or on another 
mailing list? Is there any other reason the patches are not applicable?

[1] https://patchwork.ozlabs.org/patch/440827/
[2] https://patchwork.ozlabs.org/patch/440828/
[3] https://patchwork.ozlabs.org/patch/440829/
[4] git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux.git

Thank you,
Bogdan P.

>> On 18.02.2015 10:16, Bogdan Purcareata wrote:
>>> Add the missing pieces in order to enable SECCOMP_FILTER on PowerPC
>>> architectures, and enable this support.
>>>
>>> Testing has been pursued using libseccomp with the latest ppc support patches
>>> [1][2], on Freescale platforms for both ppc and ppc64. Support on ppc64le has
>>> also been tested, courtesy of Mike Strosaker.
>>>
>>> [1] https://groups.google.com/forum/#!topic/libseccomp/oz42LfMDsxg
>>> [2] https://groups.google.com/forum/#!topic/libseccomp/TQWfCt_nD7c
>>>
>>> v4:
>>> - rebased on top of 3.19
>>>
>>> v3:
>>> - keep setting ENOSYS in syscall entry assembly when syscall tracing is disabled
>>>
>>> v2:
>>> - move setting ENOSYS from syscall entry assembly to do_syscall_trace_enter
>>>
>>> Bogdan Purcareata (3):
>>>     powerpc: Don't force ENOSYS as error on syscall fail
>>>     powerpc: Relax secure computing on syscall entry trace
>>>     powerpc: Enable HAVE_ARCH_SECCOMP_FILTER
>>>
>>>    arch/powerpc/Kconfig           | 1 +
>>>    arch/powerpc/kernel/entry_32.S | 7 ++++++-
>>>    arch/powerpc/kernel/entry_64.S | 5 +++--
>>>    arch/powerpc/kernel/ptrace.c   | 8 ++++++--
>>>    4 files changed, 16 insertions(+), 5 deletions(-)
>>>
>
>
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