linux-kernel - Re: [PATCH v19 09/12] arch: Wire up landlock() syscall

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Date:   Wed, 8 Jul 2020 10:58:49 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Mickaël Salaün <mic@...ikod.net>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Andy Lutomirski <luto@...capital.net>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <jmorris@...ei.org>, Jann Horn <jannh@...gle.com>,
        Jeff Dike <jdike@...toit.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Mickaël Salaün <mickael.salaun@....gouv.fr>,
        Richard Weinberger <richard@....at>,
        "Serge E . Hallyn" <serge@...lyn.com>,
        Shuah Khan <shuah@...nel.org>,
        Vincent Dagonneau <vincent.dagonneau@....gouv.fr>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: [PATCH v19 09/12] arch: Wire up landlock() syscall

On Wed, Jul 8, 2020 at 10:23 AM Mickaël Salaün <mic@...ikod.net> wrote:
> On 08/07/2020 09:47, Arnd Bergmann wrote:
> > On Wed, Jul 8, 2020 at 9:31 AM Mickaël Salaün <mic@...ikod.net> wrote:
> >> On 08/07/2020 09:22, Arnd Bergmann wrote:
> >>> On Tue, Jul 7, 2020 at 8:10 PM Mickaël Salaün <mic@...ikod.net> wrote:
> >>>
> >>>> index f4a01305d9a6..a63a411a74d5 100644
> >>>> --- a/include/uapi/asm-generic/unistd.h
> >>>> +++ b/include/uapi/asm-generic/unistd.h
> >>
> >> OK, I'll rebase the next series on linux-next.
> >
> > Just change the number to the next free one, without actually rebasing.
> > It's always a bit messy to have multiple syscalls added, but I think that
> > causes the least confusion.
>
> OK, but this will lead to two merge conflicts: patch 8 (asmlinkage) and
> patch 9 (tbl files).

Yes, there isn't really much one can do about that.

> Do you want me to update the tools/perf/arch/*.tbl too?

No, I would leave them unchanged.

     Arnd