linux-kernel - Re: [PATCH v2 05/15] umh: Separate the user mode driver and the user mode helper support

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Message-ID: <CAADnVQKwa_QGdPOrVL2Cmn3xXy5fpmpBAW3GU-zJkGUMirgHfA@mail.gmail.com>
Date:   Wed, 1 Jul 2020 10:42:36 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Greg Kroah-Hartman <greg@...ah.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>, bpf <bpf@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Gary Lin <GLin@...e.com>, Bruno Meneguele <bmeneg@...hat.com>,
        LSM List <linux-security-module@...r.kernel.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: Re: [PATCH v2 05/15] umh: Separate the user mode driver and the user
 mode helper support

On Wed, Jul 1, 2020 at 10:23 AM Eric W. Biederman <ebiederm@...ssion.com> wrote:
>
> Linus Torvalds <torvalds@...ux-foundation.org> writes:
>
> > On Mon, Jun 29, 2020 at 1:05 PM Eric W. Biederman <ebiederm@...ssion.com> wrote:
> >>
> >> This makes it clear which code is part of the core user mode
> >> helper support and which code is needed to implement user mode
> >> drivers.
> >>
> >>  kernel/umd.c             | 146 +++++++++++++++++++++++++++++++++++++++
> >>  kernel/umh.c             | 139 -------------------------------------
> >
> > I certainly don't object to the split, but I hate the name.
> >
> > We have uml, umd and umh for user mode {linux, drivers, helper}
> > respectively.And honestly, I don't see the point in using an obscure
> > and unreadable TLA for something like this.
> >
> > I really don't think it would hurt to write out even the full name
> > with "usermode_driver.c" or something like that, would it?
> >
> > Then "umd" could be continued to be used as a prefix for the helper
> > functions, by all means, but if we startv renaming files, can we do it
> > properly?
>
> I will take care of it.  I have to respin the patchset for a silly bug anyways.

I guess with the header name too: umd.h -> usermode_driver.h ?