[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <48936615.4040900@zytor.com>
Date: Fri, 01 Aug 2008 12:37:57 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Dave Hansen <dave@...ux.vnet.ibm.com>
CC: "Eric W. Biederman" <ebiederm@...ssion.com>,
Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
Containers <containers@...ts.osdl.org>,
Alan Cox <alan@...rguk.ukuu.org.uk>,
Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: Per-instance devpts
Dave Hansen wrote:
> On Fri, 2008-08-01 at 11:12 -0700, H. Peter Anvin wrote:
>> 1. /dev/ptmx would have to change to a symlink, ptmx -> pts/ptmx.
> ...
>> I worry #1 would have substantial user-space impact, but I don't see a
>> way around it, since there would be no obvious way to associate
>> /dev/ptmx with a filesystem.
>
> Are your worries just about replacing what is now a normal file with a
> symlink, and the behavioral changes that come with that?
>
> I wonder if using a bind mount for the file would be more robust. We
> wouldn't, of course, be able to do it persistently, but I bet it would
> be something we could count on udev to do for us.
No, I'm concerned about the changes needed for udev and setup scripts.
-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists