linux-kernel - Re: [Regression] kdesu broken

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Message-Id: <200907252212.49045.rjw@sisk.pl>
Date:	Sat, 25 Jul 2009 22:12:48 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ray Lee <ray-lk@...rabbit.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Regression] kdesu broken

On Saturday 25 July 2009, Alan Cox wrote:
> Actually try this:
> 
> 
> commit b0e6bdde87725a5d46273ecc4bd00c54bd675848
> Author: Alan Cox <alan@...ux.intel.com>
> Date:   Sat Jul 25 15:00:04 2009 +0100
> 
>     pty: ensure writes hit the reader before close
>     
>     This is elegant in all the wrong ways. Put the pty into low latency mode (which
>     we can do as we always post bytes from user context). The tty_flip_buffer_push
>     then always calls into the ldisc which means we clear the ldisc buffer before
>     we set the TTY_OTHER_CLOSED flag.
>     
>     Means pty has subtle knowledge of tty internals we really don't want it to, but
>     it fixes the problem for the moment.
>     
>     Signed-off-by: Alan Cox <alan@...ux.intel.com>

Works for me, thanks!

Best,
Rafael
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