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

From: Rusty Russell
Date: Thu Oct 16 2008 - 07:41:42 EST

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


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