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From:   Daniel Colascione <dancol@google.com>
Date:   Fri, 12 Apr 2019 18:52:22 -0700
Message-ID: <CAKOZueuf8qM1O7c+m7zRHv1b6-YsZmWoTBfErBLY+yV1pyESmQ@mail.gmail.com>
Subject: Re: [PATCH v6 1/2] Provide in-kernel headers to make extending kernel easier
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     Joel Fernandes <joel@joelfernandes.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexei Starovoitov <ast@kernel.org>,
        atish patra <atishp04@gmail.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Guenter Roeck <groeck@chromium.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Karim Yaghmour <karim.yaghmour@opersys.com>,
        Kees Cook <keescook@chromium.org>,
        "Cc: Android Kernel" <kernel-team@android.com>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        linux-trace-devel@vger.kernel.org,
        Manoj Rao <linux@manojrajarao.com>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        Qais Yousef <qais.yousef@arm.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Shuah Khan <shuah@kernel.org>, Yonghong Song <yhs@fb.com>
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On Fri, Apr 12, 2019 at 6:49 PM Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
>
> On Sat, Apr 13, 2019 at 3:02 AM Joel Fernandes <joel@joelfernandes.org> wrote:
>
> >
> > > > +extern char kernel_headers_data;
> > > > +extern char kernel_headers_data_end;
> > > > +
> > > > +static ssize_t
> > > > +ikheaders_read_current(struct file *file, char __user *buf,
> > >
> > > Could you stretch this line ?
> > > It will still fit in 80-cols.
> > >
> > > (This is a coding style error in kernel/configs.c)
> >
> > It takes 87 cols if I expand, so I'll leave it as is.
> >
>
>
> Sorry if what I said was unclear.
>
> Since I just did not a good reason to put
> "static ssize_t" in the previous line,
> I meant like follows:
>
>
> [Before]
> static ssize_t
> ikheaders_read_current(struct file *file, char __user *buf,
>                        size_t len, loff_t *offset)
>
>
>
> [After]
> static ssize_t ikheaders_read_current(struct file *file, char __user *buf,
>                                       size_t len, loff_t *offset)
>
>
> (takes 74-cols.)
>
>
> (I am sending this from Gmail, so I am not sure
> how it will look like from you...)
>
>
> Anyway, it is super-bikeshedding stuff.
> It is OK as-is.
>

What about sorting the files for determinism?