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: <87ftabw3v5.fsf@x220.int.ebiederm.org>
Date:   Wed, 01 Jul 2020 12:18:38 -0500
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     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>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        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

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.

Eric