linux-kernel - Re: [RFC PATCH 4/5] hvc_console: Add tty window resizing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200810162241.29883.rusty@rustcorp.com.au>
Date:	Thu, 16 Oct 2008 22:41:29 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linux PPC devel <linuxppc-dev@...abs.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"Ryan S. Arnold" <rsa@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [RFC PATCH 4/5] hvc_console: Add tty window resizing

On Tuesday 14 October 2008 20:12:51 Hendrik Brueckner wrote:
> From: Hendrik Brueckner <brueckner@...ux.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.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/