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From: Rusty Russell <rusty@rustcorp.com.au>
To: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
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>
Subject: Re: [RFC PATCH 4/5] hvc_console: Add tty window resizing
Date: Thu, 16 Oct 2008 22:41:29 +1100	[thread overview]
Message-ID: <200810162241.29883.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20081014091413.306993844@linux.vnet.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.

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Linux PPC devel <linuxppc-dev@ozlabs.org>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	"Ryan S. Arnold" <rsa@us.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [RFC PATCH 4/5] hvc_console: Add tty window resizing
Date: Thu, 16 Oct 2008 22:41:29 +1100	[thread overview]
Message-ID: <200810162241.29883.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20081014091413.306993844@linux.vnet.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.



  parent reply	other threads:[~2008-10-16 11:41 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-14  9:12 [RFC PATCH 0/5] patches for a network-based hvc backend (s390) Hendrik Brueckner
2008-10-14  9:12 ` Hendrik Brueckner
2008-10-14  9:12 ` [RFC PATCH 1/5] hvc_console: Adding hangup notifier Hendrik Brueckner
2008-10-14  9:12   ` Hendrik Brueckner
2008-10-14  9:12 ` [RFC PATCH 2/5] hvc_console: Add tty driver flag TTY_DRIVER_RESET_TERMIOS Hendrik Brueckner
2008-10-14  9:12   ` Hendrik Brueckner
2008-10-14  9:40   ` Alan Cox
2008-10-14  9:40     ` Alan Cox
2008-10-16 11:09     ` Hendrik Brueckner
2008-10-16 11:09       ` Hendrik Brueckner
2008-10-16 12:18       ` Alan Cox
2008-10-16 12:18         ` Alan Cox
2008-10-14  9:12 ` [RFC PATCH 3/5] hvc_console: Fix loop if put_char() returns 0 Hendrik Brueckner
2008-10-14  9:12   ` Hendrik Brueckner
2008-10-14  9:12 ` [RFC PATCH 4/5] hvc_console: Add tty window resizing Hendrik Brueckner
2008-10-14  9:12   ` Hendrik Brueckner
2008-10-14  9:44   ` Alan Cox
2008-10-14  9:44     ` Alan Cox
2008-10-14 15:02     ` Hendrik Brueckner
2008-10-14 15:02       ` Hendrik Brueckner
2008-10-14 16:14       ` Alan Cox
2008-10-14 16:14         ` Alan Cox
2008-10-16 11:41   ` Rusty Russell [this message]
2008-10-16 11:41     ` Rusty Russell
2008-10-16 11:58     ` Christian Borntraeger
2008-10-16 11:58       ` Christian Borntraeger
2008-10-14  9:12 ` [RFC PATCH 5/5] hvc_console: Remove __devexit annotation of hvc_remove() Hendrik Brueckner
2008-10-14  9:12   ` Hendrik Brueckner
2008-10-20 23:23 ` [RFC PATCH 0/5] patches for a network-based hvc backend (s390) Benjamin Herrenschmidt
2008-10-20 23:23   ` Benjamin Herrenschmidt
2008-10-21  7:42   ` Hendrik Brueckner
2008-10-21  7:42     ` Hendrik Brueckner

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