linux-kernel - Re: [RFC] fix devpts mount behavior

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Message-ID: <20120124232954.GA26607@hallyn.com>
Date:	Tue, 24 Jan 2012 23:29:54 +0000
From:	"Serge E. Hallyn" <serge@...lyn.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Serge Hallyn <serge.hallyn@...onical.com>,
	Kay Sievers <kay.sievers@...y.org>,
	containers@...ts.linux-foundation.org,
	Dave Hansen <haveblue@...ibm.com>,
	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andy Whitcroft <apw@...onical.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [RFC] fix devpts mount behavior

Quoting Sukadev Bhattiprolu (sukadev@...ux.vnet.ibm.com):
> Serge Hallyn [serge.hallyn@...onical.com] wrote:
> | 
> | That has nothing to do with /dev/pts/ptmx, whose perms are set based on
> | the '-o ptmxmode=" argument, and default to 000 if not specified.  If
> | /dev/ptmx is going to be a symlink to /dev/pts/ptmx, then we have to set
> | the /dev/pts/ptmx perms to not be 000, or users won't be able to create
> | ptys.
> 
> If we are going to make 'newinstance' the default, maybe the default
> ptmx mode could be changed to 0666 in the kernel too ?
> 

Right that was what i meant :)

thanks,
-serge
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