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Paul Fulghum 33b37a33c2 [PATCH] remove active field from tty buffer structure 
Remove 'active' field from tty buffer structure.  This was added in 2.6.16
as part of a patch to make the new tty buffering SMP safe.  This field is
unnecessary with the more intelligently written flush_to_ldisc that adds
receive_room handling.

Removing this field reverts to simpler logic where the tail buffer is
always the 'active' buffer, which should not be freed by flush_to_ldisc.
(active == buffer being filled with new data)

The result is simpler, smaller, and faster tty buffer code.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-28 14:59:05 -07:00
..
acorn
acpi [PATCH] pgdat allocation for new node add (get node id by acpi) 2006-06-27 17:32:36 -07:00
amba
atm [PATCH] update two drivers for poison.h 2006-06-27 17:32:38 -07:00
base [PATCH] sched: mc/smt power savings sched policy 2006-06-27 17:32:45 -07:00
block [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
bluetooth [PATCH] Bluetooth: fix potential NULL ptr deref in dtl1_cs.c::dtl1_hci_send_frame() 2006-06-26 09:58:16 -07:00
cdrom [PATCH] cdrom/mcdx: section fixes 2006-06-25 10:01:16 -07:00
char [PATCH] remove active field from tty buffer structure 2006-06-28 14:59:05 -07:00
clocksource [PATCH] GTOD: add scx200 HRT clocksource 2006-06-26 09:58:21 -07:00
connector
cpufreq [PATCH] cpu hotplug: make cpu_notifier related notifier blocks __cpuinit only 2006-06-27 17:32:41 -07:00
crypto [CRYPTO] padlock: Rearrange context structure to reduce code size 2006-06-26 17:34:39 +10:00
dio
dma [IOAT]: Do not dereference THIS_MODULE directly to set unsafe. 2006-06-26 00:10:46 -07:00
edac
eisa
fc4
firmware [PATCH] DMI: cleanup kernel-doc, add to DocBook 2006-06-25 10:01:24 -07:00
hwmon spelling fixes 2006-06-26 18:35:02 +02:00
i2c [PATCH] i2c-i801.c: don't pci_disable_device() after it was just enabled 2006-06-27 18:36:39 -07:00
ide [PATCH] ata: add some NVIDIA chipset IDs 2006-06-26 20:59:28 -04:00
ieee1394 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
infiniband [PATCH] Array overrun in drivers/infiniband/core/cma.c 2006-06-26 11:57:28 -07:00
input Input: fix resetting name, phys and uniq when unregistering device 2006-06-27 14:05:06 -07:00
isdn [PATCH] i4l fix DLE masking in isdn_tty_try_read 2006-06-27 18:00:36 -07:00
leds [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
macintosh Input: fix misspelling of Hangeul key 2006-06-26 01:51:23 -04:00
mca
md [PATCH] drivers/md/md.c: make code static 2006-06-26 09:58:40 -07:00
media V4L/DVB (4263): Fix warning when compiling on 64 bit machines 2006-06-27 00:17:43 -03:00
message [PATCH] drivers/message/i2o/iop.c: unexport i2o_msg_nop() 2006-06-27 17:32:48 -07:00
mfd [ARM] fix drivers/mfd/ucb1x00-core.c IRQ probing bug 2006-06-26 15:26:13 +01:00
misc [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
mmc
mtd Merge git://git.infradead.org/mtd-2.6 2006-06-27 19:13:56 -07:00
net Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2006-06-27 19:15:50 -07:00
nubus
oprofile
parisc
parport Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
pci Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
pcmcia [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
pnp
rapidio [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
rtc [PATCH] RTC: add rtc-rs5c348 driver 2006-06-28 14:59:04 -07:00
s390 [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
sbus [OPENPROM]: Rewrite driver to use in-kernel device tree. 2006-06-25 23:19:30 -07:00
scsi Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 2006-06-27 19:07:21 -07:00
serial [PATCH] remove TTY_DONT_FLIP 2006-06-28 14:59:05 -07:00
sh
sn [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
spi
tc
telephony ixj: make ixj_set_tone_off() static 2006-06-26 18:43:54 +02:00
usb [PATCH] remove TTY_DONT_FLIP 2006-06-28 14:59:05 -07:00
video [PATCH] Remove redundant NULL checks before [kv]free - in drivers/ 2006-06-27 17:32:48 -07:00
w1
zorro
Kconfig
Makefile [PATCH] Time: i386 Clocksource Drivers 2006-06-26 09:58:21 -07:00