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Christian Borntraeger b1b135c8d6 fix spinlock recursion in hvc_console 
commit 611e097d7707741a336a0677d9d69bec40f29f3d
Author: Christian Borntraeger <borntraeger@de.ibm.com>
hvc_console: rework setup to replace irq functions with callbacks
introduced a spinlock recursion problem.

request_irq tries to call the handler if the IRQ is shared.
The irq handler of hvc_console calls hvc_poll and hvc_kill
which might take the hvc_struct spinlock. Therefore, we have
to call request_irq outside the spinlock.

We can move the notifier_add safely outside the spinlock as ->data must
not be changed by the backend. Otherwise, tty_hangup would fail anyway.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-08-12 17:52:55 +10:00
..
agp
Merge branch 'generic-ipi' into generic-ipi-for-linus
2008-07-15 21:55:59 +02:00
hw_random
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
ip2
ip2: push BKL down for the firmware interface
2008-07-25 10:53:43 -07:00
ipmi
ipmi/powerpc: Use linux/of_{device,platform}.h instead of asm
2008-07-30 15:26:53 +10:00
mwave
mwave: ioctl BKL pushdown
2008-07-25 10:53:43 -07:00
pcmcia
Merge branch 'for-jeff' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into tmp
2008-08-07 04:05:46 -04:00
rio
rio: push down the BKL into the firmware ioctl handler
2008-07-25 10:53:43 -07:00
tpm
tpm: Use correct data types for sizes in tpm_write() and tpm_read()
2008-07-26 12:00:04 -07:00
xilinx_hwicap
char/xilinx_hwicap/xilinx_hwicap.c: Removed duplicated include
2008-07-25 09:23:31 -07:00
.gitignore
…
amiserial.c
m68k/amiserial: fix fallout of tty break handling rework
2008-08-06 13:24:41 -07:00
apm-emulation.c
APM emulation: Notify about all suspend events, not just APM invoked ones (v2)
2008-07-16 23:27:02 +02:00
applicom.c
char serial: switch drivers to ioremap_nocache
2008-04-30 08:29:48 -07:00
applicom.h
…
bfin-otp.c
Blackfin char driver for Blackfin on-chip OTP memory (v3)
2008-04-25 08:04:56 +08:00
briq_panel.c
briq_panel: BKL pushdown
2008-06-20 14:05:55 -06:00
bsr.c
powerpc: Add driver for Barrier Synchronization Register
2008-07-15 12:24:55 +10:00
cd1865.h
…
ChangeLog
…
consolemap.c
Basic braille screen reader support
2008-04-30 08:29:52 -07:00
cp437.uni
…
cs5535_gpio.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
cyclades.c
tty: rework break handling
2008-07-22 13:03:28 -07:00
defkeymap.c_shipped
Fix default compose table initialization
2008-03-03 14:53:16 -08:00
defkeymap.map
…
digi1.h
…
digiFep1.h
…
digiPCI.h
…
ds1286.c
ds1286: BKL pushdown
2008-06-20 14:05:56 -06:00
ds1302.c
ds1302: push down the BKL into the driver ioctl code
2008-07-25 10:53:43 -07:00
ds1620.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
2008-08-07 09:55:48 +01:00
dsp56k.c
dsp56k: Fix BKL pushdown
2008-07-26 13:22:56 -07:00
dtlk.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
efirtc.c
drivers/char/efirtc.c: removed duplicated #include
2008-08-04 16:59:56 -07:00
epca.c
Fix the epca driver to permit epca_setup() to be invoked from the kernel cmdline
2008-07-22 13:03:28 -07:00
epca.h
epca: use tty_port
2008-07-20 17:12:36 -07:00
epcaconfig.h
…
esp.c
tty: rework break handling
2008-07-22 13:03:28 -07:00
generic_nvram.c
driver/char/generic_nvram: fix banner
2008-06-12 18:05:41 -07:00
generic_serial.c
gs: use tty_port
2008-07-20 17:12:36 -07:00
genrtc.c
genrtc: BKL pushdown
2008-06-20 14:05:57 -06:00
hangcheck-timer.c
drivers/char/: Spelling fixes
2008-02-03 17:11:42 +02:00
hpet.c
#if 0 hpet_unregister()
2008-07-25 10:53:43 -07:00
hvc_beat.c
[POWERPC] hvcbeat: Fix buffer manipulation
2008-04-17 07:46:10 +10:00
hvc_console.c
fix spinlock recursion in hvc_console
2008-08-12 17:52:55 +10:00
hvc_console.h
powerpc: Move include files to arch/powerpc/include/asm
2008-08-04 12:02:00 +10:00
hvc_irq.c
hvc_console: rework setup to replace irq functions with callbacks
2008-07-25 12:06:06 +10:00
hvc_iseries.c
hvc_console: rework setup to replace irq functions with callbacks
2008-07-25 12:06:06 +10:00
hvc_rtas.c
[POWERPC] hvc_rtas_init() must be __init
2008-02-14 22:11:02 +11:00
hvc_vio.c
hvc_console: rework setup to replace irq functions with callbacks
2008-07-25 12:06:06 +10:00
hvc_xen.c
hvc_console: rework setup to replace irq functions with callbacks
2008-07-25 12:06:06 +10:00
hvcs.c
powerpc: Move include files to arch/powerpc/include/asm
2008-08-04 12:02:00 +10:00
hvsi.c
drivers/char: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
i8k.c
i8k: make fan multiplier tunable with a module parameter
2008-05-01 08:04:00 -07:00
ip27-rtc.c
ip27-rtc: BKL pushdown
2008-06-20 14:05:57 -06:00
isicom.c
isicom: restore using hardware break support
2008-07-22 13:03:28 -07:00
istallion.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
2008-07-22 13:13:47 -07:00
Kconfig
powerpc/iseries: remove the old viocons driver
2008-08-07 18:07:10 -07:00
keyboard.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
2008-07-21 00:55:14 -04:00
lp.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
Makefile
powerpc/iseries: remove the old viocons driver
2008-08-07 18:07:10 -07:00
mbcs.c
mbcs: cdev lock_kernel() pushdown
2008-06-20 14:05:48 -06:00
mbcs.h
MBCS: convert dmareadlock to mutex
2008-02-07 08:42:25 -08:00
mem.c
use generic_access_phys for /dev/mem mappings
2008-07-24 10:47:15 -07:00
misc.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
mmtimer.c
mmtimer: Push BKL down into the ioctl handler
2008-07-17 11:34:49 -07:00
moxa.c
tty: rework break handling
2008-07-22 13:03:28 -07:00
moxa.h
Char: moxa, cleanup rx/tx
2008-04-30 08:29:43 -07:00
mspec.c
mspec: convert nopfn to fault
2008-07-24 10:47:14 -07:00
mxser.c
Char: mxser, ratelimit ioctl warning
2008-07-30 09:41:45 -07:00
mxser.h
mxser: convert large macros to functions
2008-04-30 08:29:49 -07:00
n_hdlc.c
n_hdlc: honor O_NONBLOCK on write
2008-07-22 13:03:28 -07:00
n_r3964.c
tty: Ldisc revamp
2008-07-20 17:12:34 -07:00
n_tty.c
tty: Ldisc revamp
2008-07-20 17:12:34 -07:00
nozomi.c
drivers/char: replace remaining __FUNCTION__ occurrences
2008-04-30 08:29:54 -07:00
nsc_gpio.c
[PATCH] struct path: convert char-drivers
2006-12-08 08:28:44 -08:00
nvram.c
drivers/char/nvram.c: Removed duplicated include
2008-07-23 09:36:23 -07:00
nwbutton.c
[PATCH] Char: timers cleanup
2007-02-12 09:48:30 -08:00
nwbutton.h
…
nwflash.c
[ARM] fix nwflash.c: 6ee8928d94841aa764aeaf645ad16daff811dc26
2008-07-26 16:29:24 +01:00
pc8736x_gpio.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
ppdev.c
ppdev: wrap ioctl handler in driver and push lock down
2008-07-25 10:53:43 -07:00
ps3flash.c
ps3: FLASH ROM Storage Driver
2007-07-21 17:49:16 -07:00
pty.c
tty: Ldisc revamp
2008-07-20 17:12:34 -07:00
random.c
PAGE_ALIGN(): correctly handle 64-bit values on 32-bit architectures
2008-07-24 10:47:21 -07:00
raw.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
riscom8_reg.h
…
riscom8.c
riscom8: Restore driver using new break functionality
2008-07-22 13:03:28 -07:00
riscom8.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
rocket_int.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
rocket.c
tty: rework break handling
2008-07-22 13:03:28 -07:00
rocket.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
rtc.c
drivers/char/rtc.c: make 2 functions static
2008-07-26 12:00:12 -07:00
scc.h
…
scx200_gpio.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
selection.c
tty: Ldisc revamp
2008-07-20 17:12:34 -07:00
ser_a2232.c
m68k: gs: use tty_port fixes
2008-07-26 20:29:03 -07:00
ser_a2232.h
…
ser_a2232fw.ax
…
ser_a2232fw.h
…
serial167.c
m68k: serial167 missing return value in cy_put_char()
2008-05-05 12:37:02 -07:00
snsc_event.c
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
snsc.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
snsc.h
Convert asm/semaphore.h users to linux/semaphore.h
2008-04-18 22:22:54 -04:00
sonypi.c
sonypi: BKL pushdown
2008-07-02 15:06:25 -06:00
specialix_io8.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
specialix.c
specialix: restore driver using new break functionality
2008-07-22 13:03:28 -07:00
stallion.c
stallion: removed unused variable
2008-07-24 10:47:30 -07:00
sx.c
sx: push BKL down into the firmware ioctl handler
2008-07-25 10:53:43 -07:00
sx.h
Char: char/serial, remove SERIAL_TYPE_NORMAL redefines
2008-02-07 08:42:33 -08:00
sxboards.h
…
sxwindow.h
…
synclink_gt.c
Merge branch 'for-jeff' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into tmp
2008-08-07 04:05:46 -04:00
synclink.c
Merge branch 'for-jeff' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into tmp
2008-08-07 04:05:46 -04:00
synclinkmp.c
Merge branch 'for-jeff' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into tmp
2008-08-07 04:05:46 -04:00
sysrq.c
fix: "smp_call_function: get rid of the unused nonatomic/retry argument"
2008-06-27 11:52:45 +02:00
tb0219.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
tlclk.c
tlckl: BKL pushdown
2008-06-20 14:05:51 -06:00
toshiba.c
toshiba: use ioremap_cached
2008-04-30 23:15:34 +02:00
tty_audit.c
[PATCH] split linux/file.h
2008-05-01 13:08:16 -04:00
tty_io.c
Fix race/oops in tty layer after BKL pushdown
2008-08-11 10:37:34 -07:00
tty_ioctl.c
tty: Ldisc revamp
2008-07-20 17:12:34 -07:00
tty_ldisc.c
try harder to load tty ldisc driver
2008-08-01 12:50:15 -07:00
vc_screen.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
viotape.c
device create: char: convert device_create to device_create_drvdata
2008-07-21 21:54:41 -07:00
virtio_console.c
virtio_console: use virtqueue notification for hvc_console
2008-07-25 12:06:06 +10:00
vme_scc.c
m68k: gs: use tty_port fixes
2008-07-26 20:29:03 -07:00
vr41xx_giu.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
vt_ioctl.c
vt_ioctl: Prepare for BKL push down
2008-04-30 08:29:40 -07:00
vt.c
vt: Deadlock workaround
2008-08-04 17:12:07 -07:00