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

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Message-ID: <4F821524.9090702@zytor.com>
Date:	Sun, 08 Apr 2012 15:45:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	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

On 04/08/2012 03:46 PM, Alan Cox wrote:
>> What if it turns out we can make udev/devtmpfs make this happen
>> transparently (which it sounds like it might be possible)?  Would you be
>> okay with removing the "implicit bind mount" property of the current
>> devpts then?
> 
> Once we get to the point where it "just works" I'm quite happy for that
> to happen unless it turns out there's any large code size/performance
> hits in having the feature always on. I don't see any.
> 

No, it's actually the other way around... it lets us take some pretty
nice shortcuts.

	-hpa


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