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From:   Jann Horn <jannh@google.com>
Date:   Fri, 30 Oct 2020 04:02:37 +0100
Message-ID: <CAG48ez0eXxjRJ2S3pbYqEsp8xVCdHQMKrPg9WHPB_Rv_kWC_nA@mail.gmail.com>
Subject: Re: [PATCH v22 01/12] landlock: Add object management
To:     =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= <mic@digikod.net>
Cc:     James Morris <jmorris@namei.org>,
        "Serge E . Hallyn" <serge@hallyn.com>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Andy Lutomirski <luto@amacapital.net>,
        Anton Ivanov <anton.ivanov@cambridgegreys.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Casey Schaufler <casey@schaufler-ca.com>,
        Jeff Dike <jdike@addtoit.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Kees Cook <keescook@chromium.org>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Richard Weinberger <richard@nod.at>,
        Shuah Khan <shuah@kernel.org>,
        Vincent Dagonneau <vincent.dagonneau@ssi.gouv.fr>,
        Kernel Hardening <kernel-hardening@lists.openwall.com>,
        Linux API <linux-api@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        kernel list <linux-kernel@vger.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        linux-security-module <linux-security-module@vger.kernel.org>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= <mic@linux.microsoft.com>
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On Thu, Oct 29, 2020 at 10:30 AM Micka=C3=ABl Sala=C3=BCn <mic@digikod.net>=
 wrote:
> On 29/10/2020 02:05, Jann Horn wrote:
> > On Tue, Oct 27, 2020 at 9:04 PM Micka=C3=ABl Sala=C3=BCn <mic@digikod.n=
et> wrote:
> >> A Landlock object enables to identify a kernel object (e.g. an inode).
> >> A Landlock rule is a set of access rights allowed on an object.  Rules
> >> are grouped in rulesets that may be tied to a set of processes (i.e.
> >> subjects) to enforce a scoped access-control (i.e. a domain).
[...]
> >> diff --git a/security/landlock/object.c b/security/landlock/object.c
> > [...]
> >> +void landlock_put_object(struct landlock_object *const object)
> >> +{
> >> +       /*
> >> +        * The call to @object->underops->release(object) might sleep =
e.g.,
> >
> > s/ e.g.,/, e.g./
>
> I indeed prefer the comma preceding the "e.g.", but it seems that there
> is a difference between UK english and US english:
> https://english.stackexchange.com/questions/16172/should-i-always-use-a-c=
omma-after-e-g-or-i-e
> Looking at the kernel documentation makes it clear:
> $ git grep -F 'e.g. ' | wc -l
> 1179
> $ git grep -F 'e.g., ' | wc -l
> 160
>
> I'll apply your fix in the whole patch series.

Ooh, sorry. I didn't realize that that's valid in UK English...