netdev - Re: [PATCH net-next v7 01/10] selftest: Enhance kselftest

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Message-ID: <0e15da13-fad0-ba01-053c-1b4853e2bd6f@digikod.net>
Date:   Fri, 25 Aug 2017 09:58:33 +0200
From:   Mickaël Salaün <mic@...ikod.net>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Shuah Khan <shuah@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>,
        Andy Lutomirski <luto@...capital.net>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Drysdale <drysdale@...gle.com>,
        "David S . Miller" <davem@...emloft.net>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        James Morris <james.l.morris@...cle.com>,
        Jann Horn <jann@...jh.net>, Jonathan Corbet <corbet@....net>,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Paul Moore <paul@...l-moore.com>,
        Sargun Dhillon <sargun@...gun.me>,
        "Serge E . Hallyn" <serge@...lyn.com>, Tejun Heo <tj@...nel.org>,
        Thomas Graf <tgraf@...g.ch>, Will Drewry <wad@...omium.org>,
        kernel-hardening@...ts.openwall.com, linux-api@...r.kernel.org,
        linux-security-module@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v7 01/10] selftest: Enhance kselftest_harness.h
 with a step mechanism



On 24/08/2017 04:31, Alexei Starovoitov wrote:
> On Mon, Aug 21, 2017 at 02:09:24AM +0200, Mickaël Salaün wrote:
>> This step mechanism may be useful to return an information about the
>> error without being able to write to TH_LOG_STREAM.
>>
>> Set _metadata->no_print to true to print this counter.
>>
>> Signed-off-by: Mickaël Salaün <mic@...ikod.net>
>> Cc: Andy Lutomirski <luto@...capital.net>
>> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
>> Cc: Kees Cook <keescook@...omium.org>
>> Cc: Shuah Khan <shuah@...nel.org>
>> Cc: Will Drewry <wad@...omium.org>
>> Link: https://lkml.kernel.org/r/CAGXu5j+D-FP8Kt9unNOqKrQJP4DYTpmgkJxWykZyrYiVPz3Y3Q@mail.gmail.com
>> ---
>>
>> This patch is intended to the kselftest tree:
>> https://lkml.kernel.org/r/20170806232337.4191-1-mic@digikod.net
>>
>> Changes since v6:
>> * add the step counter in assert/expect macros and use _metadata to
>>   enable the counter (suggested by Kees Cook)
>> ---
>>  tools/testing/selftests/kselftest_harness.h   | 31 ++++++++++++++++++++++-----
>>  tools/testing/selftests/seccomp/seccomp_bpf.c |  2 +-
>>  2 files changed, 27 insertions(+), 6 deletions(-)
> 
> is there a dependency on this in patches 2+ ?
> if not, I would send this patch to selftests right away.
> 
> 

The Landlock tests [patch 9/10] rely on it for now.

I sent it three weeks ago:
https://lkml.kernel.org/r/20170806232337.4191-1-mic@digikod.net

Anyway, until this patch is merged in the kselftest tree and then
available to net-next, I'll have to keep it here.



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