netdev - Re: [PATCH v2] riscv: add support for SECCOMP and SECCOMP

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Message-ID: <alpine.DEB.2.21.9999.1908231816500.18210@viisi.sifive.com>
Date:   Fri, 23 Aug 2019 18:18:16 -0700 (PDT)
From:   Paul Walmsley <paul.walmsley@...ive.com>
To:     David Abdurachmanov <david.abdurachmanov@...il.com>
cc:     Tycho Andersen <tycho@...ho.ws>,
        Palmer Dabbelt <palmer@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Oleg Nesterov <oleg@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>, Shuah Khan <shuah@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        David Abdurachmanov <david.abdurachmanov@...ive.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Allison Randal <allison@...utok.net>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Anup Patel <Anup.Patel@....com>,
        Vincent Chen <vincentc@...estech.com>,
        Alan Kao <alankao@...estech.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, me@...losedp.com
Subject: Re: [PATCH v2] riscv: add support for SECCOMP and SECCOMP_FILTER

On Fri, 23 Aug 2019, David Abdurachmanov wrote:

> On Fri, Aug 23, 2019 at 5:30 PM Paul Walmsley <paul.walmsley@...ive.com> wrote:
> >
> > On Thu, 22 Aug 2019, David Abdurachmanov wrote:
> >
> > > There is one failing kernel selftest: global.user_notification_signal
> >
> > Is this the only failing test?  Or are the rest of the selftests skipped
> > when this test fails, and no further tests are run, as seems to be shown
> > here:
> >
> >   https://lore.kernel.org/linux-riscv/CADnnUqcmDMRe1f+3jG8SPR6jRrnBsY8VVD70VbKEm0NqYeoicA@mail.gmail.com/
> 
> Yes, it's a single test failing. After removing global.user_notification_signal
> test everything else pass and you get the results printed.

OK.

> Well the code states ".. and hope that it doesn't break when there
> is actually a signal :)". Maybe we are just unlucky. I don't have results
> from other architectures to compare.
> 
> I found that Linaro is running selftests, but SECCOMP is disabled
> and thus it's failing. Is there another CI which tracks selftests?

0day runs the kselftests, and at least on some architectures/Kconfigs, 
it's succeeding:

https://lore.kernel.org/lkml/20190726083740.GG22106@shao2-debian/

https://lore.kernel.org/lkml/20190712064850.GC20848@shao2-debian/

https://lore.kernel.org/lkml/20190311074115.GC10839@shao2-debian/

etc.


- Paul