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Re: [PATCH 36/76] tty: Make get_current_tty use a kref

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From: Alan Cox
Subject: Re: [PATCH 36/76] tty: Make get_current_tty use a kref
Date: Monday, October 6, 2008 - 3:56 am

On Mon, Oct 06, 2008 at 12:35:40PM +0200, Louis Rilling wrote:

Yes.. although it gets fixed later but I will fix that as it will keep the
code bisectable.
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[PATCH 00/76] Queued TTY Patches, Alan Cox, (Sun Oct 5, 9:04 am)
[PATCH 01/76] drivers/serial/crisv10.c: add missing put_tt ..., Alan Cox, (Sun Oct 5, 9:04 am)
[PATCH 02/76] drivers/char/hvc_console.c: adjust call to p ..., Alan Cox, (Sun Oct 5, 9:04 am)
[PATCH 03/76] coldfire: scheduled SERIAL_COLDFIRE removal, Alan Cox, (Sun Oct 5, 9:04 am)
[PATCH 04/76] epca: call tty_port_init, Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 05/76] 8250: Remove NR_IRQ usage, Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 06/76] Blackfin Serial Driver: use __initdata for d ..., Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 07/76] Blackfin Serial Driver: Fix bug - should sus ..., Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 08/76] Blackfin Serial Driver: trim trailing whites ..., Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 09/76] Blackfin Serial Driver: move common variable ..., Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 10/76] Blackfin Serial Driver: Remove useless stop, Alan Cox, (Sun Oct 5, 9:05 am)
[PATCH 11/76] Blackfin Serial Driver: Fix bug - Don't call ..., Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 12/76] Blackfin Serial Driver: Fix bug - ircp fails ..., Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 13/76] Blackfin Serial Driver: Fix bug - request UA ..., Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 14/76] tty: move tioclinux from a special case, Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 15/76] uml: small cleanups and note bugs to be deal ..., Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 16/76] Char: merge ip2main and ip2base, Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 17/76] ip2, cleanup globals, Alan Cox, (Sun Oct 5, 9:06 am)
[PATCH 18/76] ip2, fix sparse warnings, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 19/76] ip2, init/deinit cleanup, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 20/76] ip2: avoid add_timer with pending timer, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 21/76] audit: Handle embedded NUL in TTY input auditing, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 22/76] serial: Make uart_port's ioport "unsigned long"., Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 23/76] tty: split the buffering from tty_io, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 24/76] tty: Split tty_port into its own file, Alan Cox, (Sun Oct 5, 9:07 am)
[PATCH 25/76] pps: Reserve a line discipline number for PPS, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 26/76] tty: Add a kref count, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 27/76] tty: use krefs to protect driver module counts, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 28/76] Char: cyclades. remove bogus iomap, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 29/76] Char: sx, fix io unmapping, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 30/76] 8250: remove a few inlines of dubious value, Alan Cox, (Sun Oct 5, 9:08 am)
[PATCH 31/76] tty: Cris has a nice RS485 ioctl so we shoul ..., Alan Cox, (Sun Oct 5, 9:09 am)
[PATCH 32/76] tty: ipw need reworking, Alan Cox, (Sun Oct 5, 9:09 am)
[PATCH 33/76] tty: Add termiox, Alan Cox, (Sun Oct 5, 9:09 am)
[PATCH 34/76] tty: Termios locking - sort out real_tty con ..., Alan Cox, (Sun Oct 5, 9:10 am)
[PATCH 35/76] tty: compare the tty winsize, Alan Cox, (Sun Oct 5, 9:10 am)
[PATCH 36/76] tty: Make get_current_tty use a kref, Alan Cox, (Sun Oct 5, 9:10 am)
[PATCH 37/76] tty: Move tty_write_message out of kernel/printk, Alan Cox, (Sun Oct 5, 9:10 am)
[PATCH 38/76] tty: usb-serial krefs, Alan Cox, (Sun Oct 5, 9:11 am)
[PATCH 39/76] tty: kref usage for isicom and moxa, Alan Cox, (Sun Oct 5, 9:12 am)
[PATCH 40/76] stallion: Use krefs, Alan Cox, (Sun Oct 5, 9:13 am)
[PATCH 41/76] mxser: Switch to kref tty, Alan Cox, (Sun Oct 5, 9:14 am)
[PATCH 42/76] tty: the vhangup syscall is racy, Alan Cox, (Sun Oct 5, 9:15 am)
[PATCH 43/76] tty: Redo current tty locking, Alan Cox, (Sun Oct 5, 9:15 am)
[PATCH 44/76] tty: Fix abusers of current->sighand->tty, Alan Cox, (Sun Oct 5, 9:16 am)
[PATCH 45/76] pty: If the administrator creates a device f ..., Alan Cox, (Sun Oct 5, 9:17 am)
[PATCH 46/76] vt: remove bogus lock dropping, Alan Cox, (Sun Oct 5, 9:18 am)
[PATCH 47/76] tty: shutdown method, Alan Cox, (Sun Oct 5, 9:18 am)
[PATCH 48/76] tty: Remove more special casing and out of p ..., Alan Cox, (Sun Oct 5, 9:18 am)
[PATCH 49/76] tty: Move parts of tty_init_dev into new fun ..., Alan Cox, (Sun Oct 5, 9:19 am)
[PATCH 50/76] tty: Clean up the tty_init_dev changes further, Alan Cox, (Sun Oct 5, 9:19 am)
[PATCH 51/76] tty: kref the tty driver object, Alan Cox, (Sun Oct 5, 9:20 am)
[PATCH 52/76] tty: More driver operations, Alan Cox, (Sun Oct 5, 9:20 am)
[PATCH 53/76] tty: Finish fixing up the init_dev interface ..., Alan Cox, (Sun Oct 5, 9:20 am)
[PATCH 54/76] tty: extract the pty init time special cases, Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 55/76] Move tty lookup/reopen to caller, Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 56/76] Add an instance parameter devpts interfaces, Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 57/76] Simplify devpts_get_tty(), Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 58/76] Simplify devpts_pty_new(), Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 59/76] Simplify devpts_pty_kill, Alan Cox, (Sun Oct 5, 9:21 am)
[PATCH 60/76] pty: Coding style and polish, Alan Cox, (Sun Oct 5, 9:22 am)
[PATCH 61/76] pty: Fix allocation failure double free, Alan Cox, (Sun Oct 5, 9:22 am)
[PATCH 62/76] pty: simplify unix98 allocation, Alan Cox, (Sun Oct 5, 9:22 am)
[PATCH 63/76] tty: simplify ktermios allocation, Alan Cox, (Sun Oct 5, 9:22 am)
[PATCH 64/76] tty: some ICANON magic is in the wrong places, Alan Cox, (Sun Oct 5, 9:22 am)
[PATCH 65/76] tty: Fallout from tty-move-canon-specials, Alan Cox, (Sun Oct 5, 9:23 am)
[PATCH 66/76] tty: fix up gigaset a bit, Alan Cox, (Sun Oct 5, 9:23 am)
[PATCH 67/76] tty: Remove lots of NULL checks, Alan Cox, (Sun Oct 5, 9:23 am)
[PATCH 68/76] tty: Minor tidyups and document fixes for n_tty, Alan Cox, (Sun Oct 5, 9:23 am)
[PATCH 69/76] hso: net driver using tty without locking, Alan Cox, (Sun Oct 5, 9:24 am)
[PATCH 70/76] applicom: Fix an unchecked user ioctl range ..., Alan Cox, (Sun Oct 5, 9:24 am)
[PATCH 71/76] serial-make-uart_ports-ioport-unsigned-long-fix, Alan Cox, (Sun Oct 5, 9:24 am)
[PATCH 72/76] serial: allow 8250 to be used on sparc, Alan Cox, (Sun Oct 5, 9:24 am)
[PATCH 73/76] serial: fix device name reporting when minor ..., Alan Cox, (Sun Oct 5, 9:24 am)
[PATCH 74/76] tty: tty_io.c shadows sparse fix, Alan Cox, (Sun Oct 5, 9:25 am)
[PATCH 75/76] usb: fix pl2303 initialization, Alan Cox, (Sun Oct 5, 9:25 am)
[PATCH 76/76] ftdi: A few errors are err() that should be ..., Alan Cox, (Sun Oct 5, 9:25 am)
Re: [PATCH 38/76] tty: usb-serial krefs, Greg KH, (Sun Oct 5, 10:36 pm)
Re: [PATCH 67/76] tty: Remove lots of NULL checks, Geert Uytterhoeven, (Mon Oct 6, 1:58 am)
Re: [PATCH 38/76] tty: usb-serial krefs, Alan Cox, (Mon Oct 6, 2:02 am)
Re: [PATCH 26/76] tty: Add a kref count, Louis Rilling, (Mon Oct 6, 3:20 am)
Re: [PATCH 36/76] tty: Make get_current_tty use a kref, Louis Rilling, (Mon Oct 6, 3:35 am)
Re: [PATCH 67/76] tty: Remove lots of NULL checks, Alan Cox, (Mon Oct 6, 3:50 am)
Re: [PATCH 26/76] tty: Add a kref count, Alan Cox, (Mon Oct 6, 3:52 am)
Re: [PATCH 36/76] tty: Make get_current_tty use a kref, Alan Cox, (Mon Oct 6, 3:56 am)
Re: [PATCH 22/76] serial: Make uart_port's ioport "unsigne ..., Josh Boyer, (Mon Oct 6, 5:53 am)
Re: [PATCH 38/76] tty: usb-serial krefs, Greg KH, (Mon Oct 6, 9:13 pm)
Re: [PATCH 43/76] tty: Redo current tty locking, Derek Fawcus, (Thu Oct 9, 6:21 am)