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From: ebiederm@xmission.com (Eric W. Biederman)
To: "H. Peter Anvin" <hpa@zytor.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
Date: Sun, 23 Sep 2012 10:42:32 -0700	[thread overview]
Message-ID: <87txuo3abb.fsf@xmission.com> (raw)
In-Reply-To: <505F3D48.7080103@zytor.com> (H. Peter Anvin's message of "Sun, 23 Sep 2012 09:48:08 -0700")

"H. Peter Anvin" <hpa@zytor.com> writes:

> On 09/22/2012 08:47 PM, Eric W. Biederman wrote:
>> Making /dev/ptmx a symlink sounds simple, but in practice no one could
>> actually figure out how to make it happen.
>
> This feels particularly ridiculous since udev now requires devtmpfs
> (as in it will no longer work without it), which means this is all
> done in the kernel, so we should just be able to fix this in the
> kernel.

Some versions of udev require devtmpfs.  At best we could have something
conditional in the kernel that does this.

> 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.

Eric

  reply	other threads:[~2012-09-23 17:42 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-24  0:05 [RFC] fix devpts mount behavior Serge Hallyn
2012-01-24  0:13 ` Linus Torvalds
2012-01-24  0:25   ` Serge Hallyn
2012-01-24  0:41     ` Linus Torvalds
2012-01-24  1:07       ` Al Viro
2012-01-24 18:21         ` Serge E. Hallyn
2012-01-24 20:16           ` Sukadev Bhattiprolu
2012-01-24 20:53             ` Serge E. Hallyn
2012-01-24 20:24         ` Eric W. Biederman
2012-01-24 22:02           ` Serge E. Hallyn
2012-01-24 22:54             ` Kay Sievers
2012-01-24 23:16               ` Serge Hallyn
2012-01-24 23:25                 ` Sukadev Bhattiprolu
2012-01-24 23:29                   ` Serge E. Hallyn
2012-01-24 23:27                 ` Kay Sievers
2012-01-28 19:51                   ` Serge Hallyn
2012-01-28 20:52                     ` Eric W. Biederman
2012-01-28 21:32                       ` Kay Sievers
2012-09-23  3:47                     ` [PATCH 0/4] devpts: " Eric W. Biederman
2012-09-23  3:48                       ` [PATCH 1/4] devpts: Remove CONFIG_DEVPTS_MULTIPLE_INSTANCES Eric W. Biederman
2012-09-23  3:49                       ` [PATCH 2/4] devpts: Set the default permissions of /dev/pts/ptmx and /dev/ptmx to 0666 Eric W. Biederman
2012-09-23  3:50                       ` [PATCH 3/4] devpts: Make the newinstance option historical Eric W. Biederman
2012-09-23  4:19                         ` Al Viro
2012-09-23  4:46                           ` Al Viro
2012-09-23  5:59                           ` Eric W. Biederman
2012-09-23  6:30                             ` Al Viro
2012-09-23  6:34                               ` Al Viro
2012-09-23  7:00                                 ` Eric W. Biederman
2012-09-23  3:51                       ` [PATCH 4/4] devpts: Update the documentation Eric W. Biederman
2012-09-23 16:48                       ` [PATCH 0/4] devpts: fix devpts mount behavior H. Peter Anvin
2012-09-23 17:42                         ` Eric W. Biederman [this message]
2012-09-23 17:44                           ` H. Peter Anvin
2012-01-24 23:35             ` [RFC] " Eric W. Biederman
2012-01-24 20:55       ` Sukadev Bhattiprolu
2012-01-24 21:19         ` Nick Bowler
2012-01-24  0:26   ` Al Viro

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