From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Pavel Emelyanov <xemul@parallels.com>,
Jiri Slaby <jslaby@suse.cz>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [RFC] tty: Add get- ioctls to fetch tty status
Date: Thu, 27 Sep 2012 18:14:25 +0400 [thread overview]
Message-ID: <20120927141425.GG6618@moon> (raw)
In-Reply-To: <20120927151447.2460ce44@pyramind.ukuu.org.uk>
On Thu, Sep 27, 2012 at 03:14:47PM +0100, Alan Cox wrote:
> > Alan, Greg, what's opinion? This flags fetching is the same as say fetching
> > of termios settings, once fetched they can be changed immediately, and it's
> > up to caller what to do with termios settings. No?
>
> I think you need to explain what you expect to be doing with it, and why
> it is safe in that application.
OK, it seems it was unclear from changelog. We need to know this parameters
to be able to restore tty connection after checkpoint.
While we easily can fetch termios settings and such, there are few bits which
are missed to expord. So this patch provides them to user-space.
next prev parent reply other threads:[~2012-09-27 14:14 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 9:56 [RFC] tty: Add get- ioctls to fetch tty status Cyrill Gorcunov
2012-09-13 11:46 ` Jiri Slaby
2012-09-13 11:51 ` Cyrill Gorcunov
2012-09-13 12:51 ` Alan Cox
2012-09-13 12:54 ` Cyrill Gorcunov
2012-09-13 16:25 ` Alan Cox
2012-09-13 16:41 ` Cyrill Gorcunov
2012-09-22 18:06 ` Cyrill Gorcunov
2012-09-22 20:07 ` Greg Kroah-Hartman
2012-09-22 20:11 ` Cyrill Gorcunov
2012-09-22 21:52 ` Cyrill Gorcunov
2012-09-23 1:09 ` Greg Kroah-Hartman
2012-09-23 6:40 ` Cyrill Gorcunov
2012-09-23 14:46 ` H. Peter Anvin
2012-09-23 15:21 ` Cyrill Gorcunov
2012-09-24 14:14 ` Cyrill Gorcunov
2012-09-27 14:05 ` Cyrill Gorcunov
2012-09-27 14:14 ` Alan Cox
2012-09-27 14:14 ` Cyrill Gorcunov [this message]
2012-09-27 14:17 ` H. Peter Anvin
2012-09-27 14:21 ` Cyrill Gorcunov
2012-09-27 14:43 ` H. Peter Anvin
2012-09-27 14:48 ` Cyrill Gorcunov
2012-09-27 15:05 ` H. Peter Anvin
2012-09-27 15:13 ` Alan Cox
2012-09-27 15:23 ` Cyrill Gorcunov
2012-09-27 16:00 ` Alan Cox
2012-09-27 16:06 ` Cyrill Gorcunov
2012-09-27 15:47 ` Cyrill Gorcunov
2012-09-22 23:15 ` Alan Cox
2012-09-23 1:43 ` Eric W. Biederman
2012-09-23 6:40 ` Cyrill Gorcunov
2012-09-23 14:44 ` H. Peter Anvin
2012-09-23 15:22 ` Cyrill Gorcunov
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