Shyam Iyer 5f77898de1 Fix call trace when interrupts are disabled while sleeping function kzalloc is called ... request_threaded irq will call kzalloc that can sleep. Initializing the flags variable outside of spin_lock_irqsave/restore in bnad_mbox_irq_alloc will avoid call traces like below. Jun 27 08:15:24 home-t710 kernel: [11735.634550] Brocade 10G Ethernet driver Jun 27 08:15:24 home-t710 kernel: [11735.634590] bnad_pci_probe : (0xffff880427f3d000, 0xffffffffa020f3e0) PCI Func : (2) Jun 27 08:15:24 home-t710 kernel: [11735.637677] bna 0000:82:00.2: PCI INT A -> GSI 66 (level, low) -> IRQ 66 Jun 27 08:15:24 home-t710 kernel: [11735.638290] bar0 mapped to ffffc90014980000, len 262144 Jun 27 08:15:24 home-t710 kernel: [11735.638732] BUG: sleeping function called from invalid context at mm/slub.c:847 Jun 27 08:15:24 home-t710 kernel: [11735.638736] in_atomic(): 0, irqs_disabled(): 1, pid: 11243, name: insmod Jun 27 08:15:24 home-t710 kernel: [11735.638740] Pid: 11243, comm: insmod Not tainted 3.0.0-rc4+ #6 Jun 27 08:15:24 home-t710 kernel: [11735.638743] Call Trace: Jun 27 08:15:24 home-t710 kernel: [11735.638755] [<ffffffff81046427>] __might_sleep+0xeb/0xf0 Jun 27 08:15:24 home-t710 kernel: [11735.638766] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna] Jun 27 08:15:24 home-t710 kernel: [11735.638773] [<ffffffff8111201c>] kmem_cache_alloc_trace+0x43/0xd8 Jun 27 08:15:24 home-t710 kernel: [11735.638782] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna] Jun 27 08:15:24 home-t710 kernel: [11735.638787] [<ffffffff810ab791>] request_threaded_irq+0xa1/0x113 Jun 27 08:15:24 home-t710 kernel: [11735.638798] [<ffffffffa020f0c0>] bnad_pci_probe+0x612/0x8e5 [bna] Jun 27 08:15:24 home-t710 kernel: [11735.638807] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna] Jun 27 08:15:24 home-t710 kernel: [11735.638816] [<ffffffff81482ef4>] ? _raw_spin_unlock_irqrestore+0x17/0x19 Jun 27 08:15:24 home-t710 kernel: [11735.638822] [<ffffffff8124d17a>] local_pci_probe+0x44/0x75 Jun 27 08:15:24 home-t710 kernel: [11735.638826] [<ffffffff8124dc06>] pci_device_probe+0xd0/0xff Jun 27 08:15:24 home-t710 kernel: [11735.638832] [<ffffffff812ef8ab>] driver_probe_device+0x131/0x213 Jun 27 08:15:24 home-t710 kernel: [11735.638836] [<ffffffff812ef9e7>] __driver_attach+0x5a/0x7e Jun 27 08:15:24 home-t710 kernel: [11735.638840] [<ffffffff812ef98d>] ? driver_probe_device+0x213/0x213 Jun 27 08:15:24 home-t710 kernel: [11735.638844] [<ffffffff812ee933>] bus_for_each_dev+0x53/0x89 Jun 27 08:15:24 home-t710 kernel: [11735.638848] [<ffffffff812ef48a>] driver_attach+0x1e/0x20 Jun 27 08:15:24 home-t710 kernel: [11735.638852] [<ffffffff812ef0ae>] bus_add_driver+0xd1/0x224 Jun 27 08:15:24 home-t710 kernel: [11735.638858] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff Jun 27 08:15:24 home-t710 kernel: [11735.638862] [<ffffffff812efe57>] driver_register+0x98/0x105 Jun 27 08:15:24 home-t710 kernel: [11735.638866] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff Jun 27 08:15:24 home-t710 kernel: [11735.638871] [<ffffffff8124e4c9>] __pci_register_driver+0x56/0xc1 Jun 27 08:15:24 home-t710 kernel: [11735.638875] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff Jun 27 08:15:24 home-t710 kernel: [11735.638884] [<ffffffffa01b8040>] bnad_module_init+0x40/0x60 [bna] Jun 27 08:15:24 home-t710 kernel: [11735.638892] [<ffffffff81002099>] do_one_initcall+0x7f/0x136 Jun 27 08:15:24 home-t710 kernel: [11735.638899] [<ffffffff8108608b>] sys_init_module+0x88/0x1d0 Jun 27 08:15:24 home-t710 kernel: [11735.638906] [<ffffffff81489682>] system_call_fastpath+0x16/0x1b Jun 27 08:15:24 home-t710 kernel: [11735.639642] bnad_pci_probe : (0xffff880427f3e000, 0xffffffffa020f3e0) PCI Func : (3) Jun 27 08:15:24 home-t710 kernel: [11735.639665] bna 0000:82:00.3: PCI INT A -> GSI 66 (level, low) -> IRQ 66 Jun 27 08:15:24 home-t710 kernel: [11735.639735] bar0 mapped to ffffc90014400000, len 262144 Signed-off-by: Shyam Iyer <shyam_iyer@dell.com> Acked-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2011-07-01 17:49:45 -07:00
..
accessibility	…
acpi	Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6	2011-05-29 11:19:16 -07:00
amba	ARM: 6829/1: amba: make hardcoded periphid override hardware	2011-05-26 10:33:34 +01:00
ata	ahci: change 'masking port_map' printk to KERN_WARNING level	2011-06-29 10:10:07 -07:00
atm	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6	2011-05-20 13:43:21 -07:00
auxdisplay	…
base	Merge branch 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6	2011-06-28 11:15:36 -07:00
bcma	drivers/bcma/host_pci.c needs slab.h	2011-05-26 17:12:32 -07:00
block	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2011-06-04 08:11:26 +09:00
bluetooth	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem	2011-06-17 12:40:36 -04:00
cdrom	block: fix mismerge of the DISK_EVENT_MEDIA_CHANGE removal	2011-06-02 05:29:19 +09:00
char	drivers/char/hpet.c: fix periodic-emulation for delayed interrupts	2011-06-15 20:04:02 -07:00
clk	…
clocksource	Revert "clocksource: sh_cmt: Runtime PM support"	2011-05-31 15:26:42 +09:00
connector	Connector: Correctly set the error code in case of success when dispatching receive callbacks	2011-06-07 12:02:00 -07:00
cpufreq	[CPUFREQ] powernow-k8: Don't try to transition if the pstate is incorrect	2011-06-16 16:31:13 -04:00
cpuidle	Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6	2011-05-29 11:18:09 -07:00
crypto	crypto: caam - fix operator precedence in shared descriptor allocation	2011-06-30 07:43:27 +08:00
dca	…
dio	…
dma	dmaengine: shdma: SH_DMAC_MAX_CHANNELS message fix	2011-06-14 15:03:07 +09:00
edac	edac,rcu: use synchronize_rcu() instead of call_rcu()+rcu_barrier()	2011-05-26 17:12:37 -07:00
eisa	…
firewire	…
firmware	Merge branch 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6	2011-06-28 11:15:36 -07:00
gpio	gpio/omap4: Fix missing interrupts during device wakeup due to IOPAD.	2011-06-16 08:40:43 -06:00
gpu	drm/radeon/kms: increase rom size for atrm method	2011-06-30 10:12:17 +10:00
hid	HID: hid-multitouch: add support for a new Lumio dual-touch panel	2011-06-24 13:41:11 +02:00
hwmon	hwmon: (s3c) Initialize sysfs attributes	2011-06-17 23:22:27 -07:00
hwspinlock	…
i2c	i2c/pca954x: Initialize the mux to disconnected state	2011-06-29 11:36:11 +02:00
ide	ide-cd: signedness warning fix again	2011-06-11 15:06:48 -07:00
idle	…
ieee802154	…
infiniband	Merge branches 'cxgb4' and 'qib' into for-next	2011-06-17 11:57:55 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2011-06-20 08:59:46 -07:00
isdn	gigaset: call module_put before restart of if_open()	2011-06-17 15:27:32 -04:00
leds	drivers/leds/leds-lp5523.c: fix section mismatches	2011-06-27 18:00:13 -07:00
lguest	…
macintosh	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2011-05-23 09:12:26 -07:00
mca	…
md	md: avoid endless recovery loop when waiting for fail device to complete.	2011-06-28 16:59:42 +10:00
media	Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6	2011-06-09 13:09:07 -07:00
memstick	…
message	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2011-05-23 09:12:26 -07:00
mfd	mfd: Fix build breakage caused by tps65910 gpio directory move	2011-05-28 08:38:55 +02:00
misc	Merge branch 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6	2011-06-28 11:15:36 -07:00
mmc	mmc: queue: bring discard_granularity/alignment into line with SCSI	2011-06-25 18:53:05 -04:00
mtd	powerpc/85xx: fix NAND_CMD_READID read bytes number	2011-06-22 06:08:48 -05:00
net	Fix call trace when interrupts are disabled while sleeping function kzalloc is called	2011-07-01 17:49:45 -07:00
nfc	…
nubus	…
of	Merge branch 'devicetree/arm-next' of git://git.secretlab.ca/git/linux-2.6 into devel-stable	2011-05-25 00:08:17 +01:00
oprofile	oprofile: Fix locking dependency in sync_start()	2011-05-31 16:33:34 +02:00
parisc	…
parport	Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6	2011-05-26 13:19:00 -07:00
pci	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc	2011-06-27 14:55:43 -07:00
pcmcia	gpio: include linux/gpio.h where needed	2011-06-16 08:40:44 -06:00
platform	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86	2011-05-29 11:44:33 -07:00
pnp	…
power	Merge git://git.infradead.org/battery-2.6	2011-05-27 10:12:35 -07:00
pps	…
ps3	…
ptp	ptp: Fix some locking bugs in ptp_read()	2011-06-01 19:29:10 -07:00
rapidio	rapidio: fix default routing initialization	2011-05-18 02:55:22 -07:00
regulator	regulator: Fix _regulator_get_voltage if get_voltage callback is NULL	2011-05-27 10:49:30 +01:00
rtc	drivers/rtc/rtc-ds1307.c: add support for RTC device pt7c4338	2011-06-27 18:00:12 -07:00
s390	[S390] qdio: Split SBAL entry flags	2011-06-06 14:14:56 +02:00
sbus	…
scsi	[SCSI] Fix oops caused by queue refcounting failure	2011-06-02 18:34:43 +09:00
sfi	…
sh	drivers: sh: resume enabled clocks fix	2011-06-14 15:15:25 +09:00
sn	…
spi	spi/bfin_spi: fix handling of default bits per word setting	2011-06-17 08:27:27 -06:00
ssb	ssb: fix PCI(e) driver regression causing oops on PCI cards	2011-06-03 14:19:49 -04:00
staging	Staging: comedi: fix build breakages on some platforms	2011-06-27 14:43:34 -07:00
target	tcm_fc: Fix conversion spec warning	2011-06-24 00:09:16 +00:00
tc	…
telephony	…
thermal	…
tty	Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6	2011-06-28 11:14:55 -07:00
uio	…
usb	Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6	2011-06-28 11:15:17 -07:00
uwb	…
vhost	vhost: support event index	2011-05-30 11:14:15 +09:30
video	Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x	2011-06-16 09:45:47 -07:00
virtio	virtio: add api for delayed callbacks	2011-05-30 11:14:16 +09:30
vlynq	…
w1	w1: W1_MASTER_DS1WM should depend on GENERIC_HARDIRQS	2011-06-15 20:04:00 -07:00
watchdog	watchdog: update author email for at32ap700x_wdt	2011-06-28 20:01:25 +00:00
xen	Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen	2011-06-20 09:01:33 -07:00
zorro	…
Kconfig	ptp: Added a brand new class driver for ptp clocks.	2011-05-23 13:01:00 -07:00
Makefile	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx	2011-05-28 12:35:15 -07:00