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Date: Sun, 23 Sep 2012 10:44:37 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Eric W. Biederman" <ebiederm@xmission.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kay Sievers <kay.sievers@vrfy.org>,
        "Serge E. Hallyn" <serge@hallyn.com>,
        containers@lists.linux-foundation.org,
        Dave Hansen <haveblue@us.ibm.com>, linux-kernel@vger.kernel.org,
        Andy Whitcroft <apw@canonical.com>, sukadev@linux.vnet.ibm.com,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Al Viro <viro@zeniv.linux.org.uk>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
        Serge Hallyn <serge.hallyn@canonical.com>
Subject: Re: [PATCH 0/4] devpts: fix devpts mount behavior
References: <20120124000517.GA28878@sergelap> <CA+55aFz9ofF+Ey8VCDS8UEf2XSw36kj2RhkHfFScuzLXMeNrkA@mail.gmail.com> <20120124002555.GA29534@sergelap> <CA+55aFzwOU137V6wtyBjessx05NJo2G4KV0rvTKWvC79A+o9iQ@mail.gmail.com> <20120124010758.GJ23916@ZenIV.linux.org.uk> <m1k44gj1cu.fsf@fess.ebiederm.org> <20120124220247.GA26353@hallyn.com> <CAPXgP13_gczQmG_USAp0p2AuTfxkzAvzHvjbZY_rbbLH-4rDyg@mail.gmail.com> <20120124231601.GA4470@sergelap> <CAPXgP12REAwmDORzdGJhsxZKU8nhiauCxoVdKa8Eifw4MWWtgA@mail.gmail.com> <20120128195103.GA11299@sergelap> <87txup763i.fsf_-_@xmission.com> <505F3D48.7080103@zytor.com> <87txuo3abb.fsf@xmission.com>
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On 09/23/2012 10:42 AM, Eric W. Biederman wrote:
>
>> Greg, Kay, any idea how to make ptmx show up in devtmpfs as a symlink
>> to pts/pmtx instead of as a device node?
>
> The conversation stalled in January with that very question.
>
> What I am proposing doesn't conflict with any effort like that.
>

I just looked at the archive, and it apparently really comes down to 
"noone wants to take responsibility for it".  The real problem appears 
to be that with devtmpfs device name policy is actually split between 
user space and kernel, which is the worst possible configuration.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.