linux-kernel - Re: [PATCH] kdesu broken

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Message-ID: <20090727225408.19e91e91@lxorguk.ukuu.org.uk>
Date:	Mon, 27 Jul 2009 22:54:08 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ray Lee <ray-lk@...rabbit.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] kdesu broken

On Mon, 27 Jul 2009 14:22:40 -0700 (PDT)
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> 
> 
> On Mon, 27 Jul 2009, Alan Cox wrote:
> >
> > Nor can we revert several patches because the ppp stuff means going back
> > to about 2.6.28 or so for the entire tty layer plus some of the DoS and
> > null pointer races go back to 2.2 or 2.0 8(.
> 
> The thing is, breaking ppp and reverting at least to 2.6.30 behavior. 
> Since it's better than the _current_ breakage.
> 
> > We can use the two line slightly imperfect quickfix which people reported
> > does fix their problem and I'm tempted to go with that for 2.6.31 because
> > it works for the real world cases that matter.
> 
> Umm. Which ones? People have reported kdesu and emacs breaking. Last I 
> saw, the emacs breakage wasn't fixed by any of the patches seen so far.

Aneesh verified the tty->low_latency patch fixed emacs (Sunday mail in
the thread "Re: [Regression] kdesu broken")

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