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

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Message-ID: <4c3e598f-35f8-4abd-8c62-4655d33b0750@email.android.com>
Date:	Sat, 07 Apr 2012 13:04:13 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Subject: Re: RFC: deprecating/removing the legacy mode of devpts

Even "doing it manually" gets hard because udev gets in the way.

Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

>On Sat, 07 Apr 2012 11:36:26 -0700
>"H. Peter Anvin" <hpa@...or.com> wrote:
>
>> Currently, devpts supports a legacy mode where only one instance
>exists.
>>  For backwards compatibility, this is also the default mode, but the
>> right thing should be to migrate everyone over to the "newinstance"
>scheme.
>> 
>> However, it is increasingly clear that that is not happening; neither
>> the distros nor udev support this by default at this point.
>
>Well maybe thats because the legacy mode works perfectly well for most
>purposes and does what they want. The "non-legacy" mode is really not
>"non-legacy" its "special case extra funkiness".
>
>With my tty hat on I'd prefer to keep it indefinitely if need be. It's
>hardly a maintainability issue or a hot problem. We've got much bigger
>turds to juggle than that.
>
>I don't see why we need an agendum to force the users into making
>changes
>that really don't matter. I mean we still support BSD ptys 8)
>
>Alan

-- 
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