From: Rusty Russell <rusty@rustcorp.com.au>
To: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH 4/5] hvc_console: Add tty window resizing
Date: Thu, 16 Oct 2008 22:41:29 +1100
References: <20081014091247.433079967@linux.vnet.ibm.com>
	<20081014091413.306993844@linux.vnet.ibm.com>
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Message-Id: <200810162241.29883.rusty@rustcorp.com.au>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Linux PPC devel <linuxppc-dev@ozlabs.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>

On Tuesday 14 October 2008 20:12:51 Hendrik Brueckner wrote:
> From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
>
> The patch provides the hvc_resize() function to update the terminal
> window dimensions (struct winsize) for a specified hvc console.
> The function stores the new window size and schedules a function
> that finally updates the tty winsize and signals the change to
> user space (SIGWINCH).
> Because the winsize update must acquire a mutex and might sleep,
> the function is scheduled instead of being called from hvc_poll()
> or khvcd.

I want this functionality for lguest, too.  But I don't see anything which 
uses this call yet?   Are we going to use the config_change notifier from 
virtio?  (Which IIRC neither S/390 nor lguest have plumbed in).

Cheers,
Rusty.