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6698e34720
linux/drivers/char
History
Alan Cox 6698e34720 tty: Fix BKL taken under a spinlock bug introduced in the BKL split 
The fasync path takes the BKL (it probably doesn't need to in fact)
while holding the file_list spinlock.  You can't do that with the kernel
lock: it causes lock inversions and deadlocks.

Leave the BKL over that bit for the moment.

Identified by AKPM.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-and-Tested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-12 14:46:21 -08:00
..
agp Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
hw_random Merge branch 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-12-09 08:07:38 -08:00
ip2 tty: rewrite the ldisc locking 2009-06-11 08:51:01 -07:00
ipmi sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
mwave mwave: fix read buffer overflow 2009-09-24 07:21:03 -07:00
pcmcia tty: const: constify remaining tty_operations 2009-12-11 15:18:03 -08:00
rio tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
tpm tpm: autoload tpm_tis based on system PnP IDs 2009-11-03 12:05:50 +11:00
xilinx_hwicap const: constify remaining file_operations 2009-10-01 16:11:11 -07:00
.gitignore
amiserial.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
apm-emulation.c const: constify remaining file_operations 2009-10-01 16:11:11 -07:00
applicom.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
applicom.h
bfin_jtag_comm.c tty: const: constify remaining tty_operations 2009-12-11 15:18:03 -08:00
bfin-otp.c const: constify remaining file_operations 2009-10-01 16:11:11 -07:00
briq_panel.c
bsr.c powerpc/BSR: Fix BSR to allow mmap of small BSR on 64k kernel 2009-06-26 14:37:26 +10:00
cd1865.h
ChangeLog
consolemap.c consolemap: indentation & braces disagree - reindent 2009-01-06 15:59:30 -08:00
cp437.uni unicode table for cp437 2008-12-13 11:25:49 -08:00
cs5535_gpio.c drivers: Remove BKL from cs5535_gpio 2009-10-14 17:36:48 +02:00
cyclades.c cyclades: fix read buffer overflow 2009-10-01 16:11:16 -07:00
defkeymap.c_shipped
defkeymap.map
digi1.h
digiFep1.h
digiPCI.h
ds1302.c
ds1620.c [ARM] netwinder: clean up GPIO naming 2008-12-13 09:12:07 +00:00
dsp56k.c
dtlk.c headers: remove sched.h from poll.h 2009-10-04 15:05:10 -07:00
efirtc.c rtc: Remove BKL from efirtc 2009-10-14 17:36:51 +02:00
epca.c tty: const: constify remaining tty_operations 2009-12-11 15:18:03 -08:00
epca.h
epcaconfig.h
generic_nvram.c nvram: Drop the bkl from nvram_llseek() 2009-10-14 17:36:49 +02:00
generic_serial.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
genrtc.c headers: Fix build after <linux/sched.h> removal 2009-10-13 10:20:16 -07:00
hangcheck-timer.c
hpet.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
hvc_beat.c powerpc/cell: Use correct types in beat files 2009-01-08 16:25:16 +11:00
hvc_console.c hvc_console: Export (GPL'ed) hvc_remove 2009-12-08 16:02:49 +11:00
hvc_console.h hvc_console: Provide (un)locked version for hvc_resize() 2009-09-24 15:12:47 +10:00
hvc_irq.c hvc_console: Call free_irq() only if request_irq() was successful 2009-01-13 14:48:01 +11:00
hvc_iseries.c drivers/hvc: Add missing __devexit_p() 2009-06-16 14:15:44 +10:00
hvc_iucv.c hvc_console: Provide (un)locked version for hvc_resize() 2009-09-24 15:12:47 +10:00
hvc_rtas.c
hvc_udbg.c powerpc: udbg-based backend for hvc_console 2008-11-19 16:04:25 +11:00
hvc_vio.c hvc_console: Add __init and __exit to hvc_vio 2009-08-28 14:24:11 +10:00
hvc_xen.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-12-11 12:18:16 -08:00
hvcs.c Merge commit 'origin/master' into next 2009-06-18 11:16:55 +10:00
hvsi.c powerpc/hvsi: Avoid calculating possibly-invalid address 2009-08-20 10:29:28 +10:00
i8k.c i8k: Add Dell Vostro systems 2009-01-02 10:28:32 -08:00
isicom.c tty: isicom: fix deadlock on shutdown 2009-12-11 15:18:07 -08:00
istallion.c tty: istallion: tty port open/close methods 2009-12-11 15:18:06 -08:00
Kconfig tty: esp: remove broken driver 2009-12-11 15:18:03 -08:00
keyboard.c Merge commit 'v2.6.32' into next 2009-12-02 23:38:13 -08:00
lp.c lp: move compat_ioctl handling into lp.c 2009-12-10 22:55:36 +01:00
Makefile tty: esp: remove broken driver 2009-12-11 15:18:03 -08:00
mbcs.c [IA64] mbcs: fix printk format warnings 2009-09-15 08:42:00 -07:00
mbcs.h
mem.c vfs: Implement proper O_SYNC semantics 2009-12-10 15:02:50 +01:00
misc.c drivers: Remove BKL from misc_open 2009-10-14 17:33:32 +02:00
mmtimer.c
moxa.c tty: moxa: split open lock 2009-12-11 15:18:08 -08:00
moxa.h
mspec.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
mxser.c tty: mxser: Use the new locking rules to fix setserial properly 2009-12-11 15:18:07 -08:00
mxser.h
n_hdlc.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
n_r3964.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
n_tty.c n_tty: move echoctl check and clean up logic 2009-09-19 13:13:34 -07:00
nozomi.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
nsc_gpio.c
nvram.c nvram: Fix missing smp_lock.h in nvram 2009-12-09 18:53:23 -08:00
nwbutton.c
nwbutton.h
nwflash.c [ARM] netwinder: clean up GPIO naming 2008-12-13 09:12:07 +00:00
pc8736x_gpio.c drivers: Remove BKL from pc8736x_gpio 2009-10-14 17:36:52 +02:00
ppdev.c ppdev: reduce kernel log spam 2009-06-18 13:03:54 -07:00
ps3flash.c ps3flash: Always read chunks of 256 KiB, and cache them 2009-06-15 16:47:27 +10:00
pty.c tty: push the BKL down into the handlers a bit 2009-12-11 15:18:08 -08:00
random.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
raw.c Driver-Core: extend devnode callbacks to provide permissions 2009-09-19 12:50:38 -07:00
riscom8_reg.h
riscom8.c tty: riscom8: switch to the tty_port_open API 2009-12-11 15:18:06 -08:00
riscom8.h
rocket_int.h tty: rocketport uses different port flags to everyone else 2009-01-02 10:19:39 -08:00
rocket.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
rocket.h tty: rocketport uses different port flags to everyone else 2009-01-02 10:19:39 -08:00
rtc.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
scc.h m68k: atari - Rename "mfp" to "st_mfp" 2009-02-22 09:23:02 -08:00
scx200_gpio.c drivers: Remove BKL from scx200_gpio 2009-10-14 17:36:53 +02:00
selection.c tty: rewrite the ldisc locking 2009-06-11 08:51:01 -07:00
ser_a2232.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
ser_a2232.h
ser_a2232fw.ax
ser_a2232fw.h
serial167.c serial167: fix read buffer overflow 2009-10-01 16:11:16 -07:00
snsc_event.c
snsc.c
snsc.h
sonypi.c headers: Fix build after <linux/sched.h> removal 2009-10-13 10:20:16 -07:00
specialix_io8.h
specialix.c specialix.c: convert nested spin_lock_irqsave to spin_lock 2009-07-20 16:38:43 -07:00
stallion.c tty: stallion: Convert to the tty_port_open/close methods 2009-12-11 15:18:06 -08:00
sx.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
sx.h
sxboards.h
sxwindow.h
synclink_gt.c hdlc: convert to netdev_tx_t 2009-09-01 01:13:31 -07:00
synclink.c hdlc: convert to netdev_tx_t 2009-09-01 01:13:31 -07:00
synclinkmp.c hdlc: convert to netdev_tx_t 2009-09-01 01:13:31 -07:00
sysrq.c perf: Do the big rename: Performance Counters -> Performance Events 2009-09-21 14:28:04 +02:00
tb0219.c mips: Remove BKL from tb0219 2009-10-14 17:36:53 +02:00
tlclk.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
toshiba.c
tty_audit.c tty: remove buffer special casing 2009-06-11 08:51:02 -07:00
tty_buffer.c tty: use the new 'flush_delayed_work()' helper to do ldisc flush 2009-10-14 09:20:41 -07:00
tty_io.c tty: Fix BKL taken under a spinlock bug introduced in the BKL split 2009-12-12 14:46:21 -08:00
tty_ioctl.c tree-wide: fix a very frequent spelling mistake 2009-11-09 09:40:54 +01:00
tty_ldisc.c tty: Push the lock down further into the ldisc code 2009-12-11 15:18:08 -08:00
tty_port.c tty: tty_port: Add a kref object to the tty port 2009-12-11 15:18:07 -08:00
uv_mmtimer.c drivers/char/uv_mmtimer.c: add memory mapped RTC driver for UV 2009-09-24 07:21:03 -07:00
vc_screen.c vc: create vcs(a) devices for consoles 2009-07-20 16:38:43 -07:00
viotape.c tape: beyond ARRAY_SIZE of viocd_diskinfo 2009-06-02 10:32:34 +10:00
virtio_console.c virtio: let header files include virtio_ids.h 2009-10-22 16:39:28 +10:30
vme_scc.c m68k: vme_scc - Kill warn_unused_result warnings 2009-01-12 20:56:38 +01:00
vt_ioctl.c vt: Fix use of "new" in a struct field 2009-11-19 13:43:06 -08:00
vt.c vc: Add support for hiding the cursor when creating VTs 2009-11-13 15:54:27 -08:00