From: Greg KH <gregkh@linuxfoundation.org>
To: Jiri Slaby <jslaby@suse.cz>
Cc: alan@linux.intel.com, linux-kernel@vger.kernel.org, jirislaby@gmail.com
Subject: Re: [PATCH 16/24] PTY: add tty_port
Date: Wed, 13 Jun 2012 17:29:05 -0700 [thread overview]
Message-ID: <20120614002905.GA3619@kroah.com> (raw)
In-Reply-To: <20120612225544.GA13297@kroah.com>
On Tue, Jun 12, 2012 at 03:55:44PM -0700, Greg KH wrote:
> On Mon, Jun 04, 2012 at 01:35:30PM +0200, Jiri Slaby wrote:
> > This has *no* function in the PTY driver yet. However as the tty
> > buffers will move to the tty_port structure, we will need tty_port for
> > all TTYs in the system, PTY inclusive.
> >
> > For PTYs this is ensured by allocating 2 tty_port's in pty_install,
> > i.e. where the tty->link is allocated. Both tty_port's are properly
> > assigned to each end of the tty.
> >
> > Freeing is done at the same place where tty is freed, i.e. in
> > tty->ops->cleanup.
> >
> > This means BTW that tty_port does not outlive TTY in PTY. This might
> > be a subject to change in the future if we see some problems.
> >
> > Signed-off-by: Jiri Slaby <jslaby@suse.cz>
> > ---
> > drivers/tty/pty.c | 25 +++++++++++++++++++++----
> > 1 file changed, 21 insertions(+), 4 deletions(-)
>
> As the locking rework got removed from Linus's tree, this patch doesn't
> apply, so I've stopped at this point in the series.
Argh, this was my fault, sorry, let me try this again, I missed 14 and
15 for some reason...
greg k-h
next prev parent reply other threads:[~2012-06-14 0:29 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
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 [this message]
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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