linux-kernel - Re: RFC: deprecating/removing the legacy mode of devpts

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Message-ID: <CAPXgP13zqFMTsndaW3YVZEA=aKMGsG-nO+i8k9frmSAzUNyrzA@mail.gmail.com>
Date:	Thu, 12 Apr 2012 04:27:55 +0200
From:	Kay Sievers <kay@...y.org>
To:	Al Viro <viro@...iv.linux.org.uk>
Cc:	"H. Peter Anvin" <hpa@...or.com>, "Ted Ts'o" <tytso@....edu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Greg Kroah-Hartman <gregkh@...ux-foundation.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Subject: Re: RFC: deprecating/removing the legacy mode of devpts

On Thu, Apr 12, 2012 at 03:08, Al Viro <viro@...iv.linux.org.uk> wrote:
> On Sun, Apr 08, 2012 at 09:16:22PM +0200, Kay Sievers wrote:
>
>> I guess the following:
>>   - remove the 'ptmx' cdev from drivers/tty/pty.c
>>   - add a new devtmpfs_create_link() to drivers/base/devtmpfs.c
>>   - call devtmpfs_create_link() from _init in fs/devpts/inode.c
>>   - change the default of ptxmode=0 to a sane default = 0666
>>   - get rid of the (rather broken) idea of 'legacy' vs 'non-legacy mode'
>>     mount options in the default setup; I don't think userspace should
>>     ever be required to fiddle with such stuff
>
> You do realize that there are people with _static_ /dev out there, don't
> you?  As well as those of us who are not using your latest and greatest
> udev and not enabling devtmpfs at all.  Not all world is Fedora...

Yeah, and? The dev_t still works from the static /dev/ like it didi 10
years ago. All good.

Not all breaks when I talk about it. :)

Kay
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