linux-kernel - Re: [PATCH v2 00/15] allow run with minimal kernel config

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Message-Id: <20230630120430.220395-1-falcon@tinylab.org>
Date:   Fri, 30 Jun 2023 20:04:30 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     thomas@...ch.de
Cc:     arnd@...db.de, falcon@...ylab.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, w@....eu
Subject: Re: [PATCH v2 00/15] allow run with minimal kernel config

Hi, Thomas

> On 2023-06-30 07:22:39+0800, Zhangjin Wu wrote:
> > Willy, Thomas
> > 
> > This is v2 to allow run with minimal kernel config, see v1 [1].
> > 
> > It mainly applied the suggestions from Thomas. It is based on our
> > previous v5 sysret helper series [2] and Thomas' chmod_net removal
> > patchset [3].
> > 
> > Now, a test report on arm/vexpress-a9 without procfs, shmem, tmpfs, net
> > and memfd_create looks like:
> > 
> >     LOG: testing report for arm/vexpress-a9:
> > 
> >     14 chmod_net                                                    [SKIPPED]
> 
> Shouldn't this be gone?
>

Yes, if apply your chmod_net removal patches before this series:

    LOG: testing report for arm/vexpress-a9:

    14 chmod_self                                                   [SKIPPED]
    16 chown_self                                                   [SKIPPED]
    40 link_cross                                                   [SKIPPED]
    0 -fstackprotector not supported                                [SKIPPED]

    139 test(s) passed, 4 skipped, 0 failed.
    See all results in /labs/linux-lab/logging/nolibc/arm-vexpress-a9-nolibc-test.log

    LOG: testing summary:

         arch/board | result
        ------------|------------
    arm/vexpress-a9 | 139 test(s) passed, 4 skipped, 0 failed. See all results in /labs/linux-lab/logging/nolibc/arm-vexpress-a9-nolibc-test.log

This test also applied the new proposed chroot_exe and chmod_tmpfile
from https://lore.kernel.org/lkml/20230630111433.211130-1-falcon@tinylab.org/

> >     15 chmod_self                                                   [SKIPPED]
> >     17 chown_self                                                   [SKIPPED]
> >     41 link_cross                                                   [SKIPPED]
> >     0 -fstackprotector not supported                                [SKIPPED]
> > 
> >     139 test(s) passed, 5 skipped, 0 failed.
> >     See all results in /labs/linux-lab/logging/nolibc/arm-vexpress-a9-nolibc-test.log
> > 
> >     LOG: testing summary:
> > 
> >          arch/board | result
> >         ------------|------------
> >     arm/vexpress-a9 | 139 test(s) passed, 5 skipped, 0 failed. See all results in /labs/linux-lab/logging/nolibc/arm-vexpress-a9-nolibc-test.log
> 
> > [..]
> 
> >  tools/include/nolibc/sys.h                   |  22 ++++
> >  tools/testing/selftests/nolibc/nolibc-test.c | 102 +++++++++++++++----
> >  2 files changed, 106 insertions(+), 18 deletions(-)
> 
> A few nitpicks left, mentioned on the patches themselves.
> 
> In general: for the full series.
> 
> Reviewed-by: Thomas Weißschuh <linux@...ssschuh.net>
> 

Thanks Thomas, will send v3 later.

Best regards,
Zhangjin