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

[Purcareata Bogdan]

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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