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Ingo Molnar 0f74964627 [PATCH] lockdep: HPET/RTC fix

Joseph Fannin reported that hpet_rtc_interrupt() enables hardirqs
in irq context:

[   25.628000]  [<c014af4e>] trace_hardirqs_on+0xce/0x200
[   25.628000]  [<c036cf21>] _spin_unlock_irq+0x31/0x70
[   25.628000]  [<c0296584>] rtc_get_rtc_time+0x44/0x1a0
[   25.628000]  [<c01198bb>] hpet_rtc_interrupt+0x21b/0x280
[   25.628000]  [<c0161141>] handle_IRQ_event+0x31/0x70
[   25.628000]  [<c0162d37>] handle_edge_irq+0xe7/0x210
[   25.628000]  [<c0106192>] do_IRQ+0x92/0x120
[   25.628000]  [<c0104121>] common_interrupt+0x25/0x2c

the call of rtc_get_rtc_time() is highly suspect. At a minimum we
need the patch below to save/restore hardirq state.

Signed-off-by: Ingo Molnar <[email protected]>
Cc: Joseph Fannin <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Arjan van de Ven <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

2006-07-12 12:52:55 -07:00

agp

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

drm

[PATCH] irq-flags: drivers/drm: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

ftape

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

hw_random

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ip2

[PATCH] Add Computone IntelliPort Plus serial hotplug support

2006-07-10 13:24:13 -07:00

ipmi

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

mwave

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

pcmcia

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

rio

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

tpm

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

watchdog

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

.gitignore

…

amiserial.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

applicom.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

applicom.h

…

cd1865.h

…

ChangeLog

…

consolemap.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

cp437.uni

…

cs5535_gpio.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

cyclades.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

decserial.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

defkeymap.c_shipped

…

defkeymap.map

…

digi1.h

…

digi.h

…

digiFep1.h

…

digiPCI.h

…

ds1286.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ds1302.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ds1620.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

dsp56k.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

dtlk.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ec3104_keyb.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

efirtc.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

epca.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

epca.h

…

epcaconfig.h

…

esp.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

generic_nvram.c

…

generic_serial.c

…

genrtc.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

hangcheck-timer.c

…

hpet.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

hvc_console.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

hvc_console.h

…

hvc_rtas.c

…

hvc_vio.c

…

hvcs.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

hvsi.c

[PATCH] powerpc: fix trigger handling in the new irq code

2006-07-10 13:24:20 -07:00

i8k.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ip27-rtc.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

isicom.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

istallion.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

ite_gpio.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

Kconfig

[PATCH] GPIO for SCx200 & PC-8736x: x86-only

2006-06-29 10:26:21 -07:00

keyboard.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

lcd.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

lcd.h

…

lp.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

Makefile

[PATCH] chardev: GPIO for SCx200 & PC-8736x: add proper Kconfig, Makefile entries

2006-06-27 17:32:43 -07:00

mbcs.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

mbcs.h

…

mem.c

[PATCH] make valid_mmap_phys_addr_range() take a pfn

2006-07-10 13:24:25 -07:00

misc.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

mmtimer.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

moxa.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

mxser.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

mxser.h

…

n_hdlc.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

n_r3964.c

…

n_tty.c

[PATCH] remove TTY_DONT_FLIP

2006-06-28 14:59:05 -07:00

nsc_gpio.c

[PATCH] chardev: GPIO for SCx200 & PC-8736x: display pin values in/out in gpio_dump

2006-06-27 17:32:43 -07:00

nvram.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

nwbutton.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

nwbutton.h

…

nwflash.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

pc8736x_gpio.c

[PATCH] pc8736x_gpio: fix re-modprobe errors: fix/finish cdev-init

2006-07-10 13:24:26 -07:00

ppdev.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

pty.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

qtronix.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

qtronixmap.c_shipped

…

qtronixmap.map

…

random.c

[PATCH] lockdep: locking init debugging improvement

2006-07-03 15:27:02 -07:00

raw.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

riscom8_reg.h

…

riscom8.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

riscom8.h

…

rocket_int.h

…

rocket.c

[PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV

2006-06-26 12:25:09 -07:00

rocket.h

…

rtc.c

[PATCH] lockdep: HPET/RTC fix

2006-07-12 12:52:55 -07:00

s3c2410-rtc.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

scan_keyb.c

…

scan_keyb.h

…

scc.h

…

scx200_gpio.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

selection.c

…

ser_a2232.c

…

ser_a2232.h

…

ser_a2232fw.ax

…

ser_a2232fw.h

…

serial167.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

snsc_event.c

[PATCH] snsc: switch from force_sig to kill_proc

2006-07-10 13:24:26 -07:00

snsc.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

snsc.h

…

sonypi.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

specialix_io8.h

…

specialix.c

[PATCH] Add Specialix IO8+ card support hotplug support

2006-07-10 13:24:13 -07:00

stallion.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

sx.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

sx.h

…

sxboards.h

…

sxwindow.h

…

synclink_gt.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

synclink.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

synclinkmp.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

sysrq.c

[PATCH] lockdep: print all lock classes on SysRQ-D

2006-07-03 15:27:04 -07:00

tb0219.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

tipar.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

tlclk.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

toshiba.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

tty_io.c

[PATCH] sched: cleanup, remove task_t, convert to struct task_struct

2006-07-03 15:27:11 -07:00

tty_ioctl.c

…

vc_screen.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

viocons.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

viotape.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

vme_scc.c

[PATCH] irq-flags: drivers/char: Use the new IRQF_ constants

2006-07-02 13:58:49 -07:00

vr41xx_giu.c

[PATCH] make more file_operation structs static

2006-07-03 15:26:59 -07:00

vt_ioctl.c

Remove obsolete #include <linux/config.h>

2006-06-30 19:25:36 +02:00

vt.c

[PATCH] vt: Decrement ref count of the VT backend on deallocation

2006-07-03 15:26:59 -07:00