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From: Richard Weinberger <richard@nod.at>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Jiri Slaby <jirislaby@gmail.com>,
	gregkh@linuxfoundation.org, alan@linux.intel.com,
	linux-kernel@vger.kernel.org, Jeff Dike <jdike@addtoit.com>,
	user-mode-linux-devel@lists.sourceforge.net,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 13/24] TTY: um/line, use tty from tty_port
Date: Mon, 04 Jun 2012 17:29:14 +0200	[thread overview]
Message-ID: <4FCCD44A.3090500@nod.at> (raw)
In-Reply-To: <4FCCD224.1020307@suse.cz>

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Hi!

Am 04.06.2012 17:20, schrieb Jiri Slaby:
> On 06/04/2012 02:01 PM, Richard Weinberger wrote:
>> I have two questions: 1. Are these patches also usable on 3.4 and
>> 3.3 or do they depend on 3.5's TTY changes?
> 
> Hi, I don't think they depend on any changes.

Nice.

>> 2. Why didn't you use tty_port_open()/close()/etc. as Alan
>> suggested my in [1]?
> 
> This was not intended to fix anything particular. If it does, it is a
> pure coincidence... These patches are a minimalistic subset to ensure
> every driver has its own tty_port for each tty. We will need this
> pairing later.

It looks like that it solves UML's TTY issues with systemd distros. :-)

> So the switch of the driver to the new tty port API, as suggested by
> Alan, is still needed. I might do that later if I learn how to make
> UML work. (The conversion is by definition invasive and needs runtime
> testing.)

Two days ago I did so but still faced the problems described here:
https://lkml.org/lkml/2012/3/10/163

Thanks,
//richard


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  reply	other threads:[~2012-06-04 15:29 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04 11:35 [PATCH 00/25] TTY buffer in tty_port -- prep no. 3 Jiri Slaby
2012-06-04 11:35 ` [PATCH 01/24] TTY: cyclades, add local pointer for card Jiri Slaby
2012-06-04 11:35 ` [PATCH 02/24] TTY: ircomm, add tty_port Jiri Slaby
2012-06-04 11:35 ` [PATCH 03/24] TTY: ircomm, use close times from tty_port Jiri Slaby
2012-06-04 11:35 ` [PATCH 04/24] TTY: ircomm, use open counts " Jiri Slaby
2012-06-04 16:36   ` Alan Cox
2012-06-04 11:35 ` [PATCH 05/24] TTY: ircomm, use flags " Jiri Slaby
2012-06-04 11:35 ` [PATCH 06/24] TTY: ircomm, revamp locking Jiri Slaby
2012-06-04 16:57   ` Alan Cox
2012-06-04 11:35 ` [PATCH 07/24] TTY: ircomm, use tty from tty_port Jiri Slaby
2012-06-04 11:35 ` [PATCH 08/24] TTY: ircomm, define local tty_port Jiri Slaby
2012-06-04 11:35 ` [PATCH 09/24] TTY: ircomm, define carrier routines Jiri Slaby
2012-06-04 11:35 ` [PATCH 10/24] TTY: ircomm, use tty_port_close_end helper Jiri Slaby
2012-06-04 11:35 ` [PATCH 11/24] TTY: ircomm, use tty_port_close_start helper Jiri Slaby
2012-06-04 11:35 ` [PATCH 12/24] TTY: um/line, add tty_port Jiri Slaby
2012-06-04 11:35 ` [PATCH 13/24] TTY: um/line, use tty from tty_port Jiri Slaby
2012-06-04 12:01   ` Richard Weinberger
2012-06-04 15:20     ` Jiri Slaby
2012-06-04 15:29       ` Richard Weinberger [this message]
2012-06-04 15:41         ` Jiri Slaby
2012-06-04 15:42           ` Richard Weinberger
2012-06-04 16:27             ` [uml-devel] " Boaz Harrosh
2012-06-04 16:29               ` Richard Weinberger
2012-06-04 16:37                 ` Boaz Harrosh
2012-06-04 16:55                 ` Boaz Harrosh
2012-06-04 17:05                   ` Richard Weinberger
2012-06-04 17:14                     ` Boaz Harrosh
2012-06-04 15:58         ` Alan Cox
2012-06-04 11:35 ` [PATCH 14/24] PTY: remove one empty ops->remove Jiri Slaby
2012-06-04 11:35 ` [PATCH 15/24] PTY: merge pty_install implementations Jiri Slaby
2012-06-04 11:35 ` [PATCH 16/24] PTY: add tty_port Jiri Slaby
2012-06-12 22:55   ` Greg KH
2012-06-14  0:29     ` Greg KH
2012-06-14  0:31       ` Greg KH
2012-06-04 11:35 ` [PATCH 17/24] TTY: vt, remove con_schedule_flip Jiri Slaby
2012-06-04 11:35 ` [PATCH 18/24] TTY: provide drivers with tty_port_install Jiri Slaby
2012-06-04 11:35 ` [PATCH 19/24] TTY: vt, add ->install Jiri Slaby
2012-06-04 11:35 ` [PATCH 20/24] TTY: usb-serial, use tty_port_install Jiri Slaby
2012-06-04 11:35 ` [PATCH 21/24] TTY: centralize fail paths in tty_register_driver Jiri Slaby
2012-06-04 11:35 ` [PATCH 22/24] TTY: add ports array to tty_driver Jiri Slaby
2012-06-04 11:35 ` [PATCH 23/24] TTY: add tty_port_register_device helper Jiri Slaby
2012-06-04 11:35 ` [PATCH 24/24] TTY: use tty_port_register_device Jiri Slaby
2012-06-04 17:00   ` Alan Cox
2012-06-09 14:58     ` Jiri Slaby
2012-06-09 17:27       ` Greg KH

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