github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-10 15:42:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph
7fca905120
linux/drivers
History
Bartlomiej Zolnierkiewicz 3b88a0664f drivers/dma/pl330.c: fix locking in pl330_free_chan_resources() 
commit da331ba8e9 upstream.

tasklet_kill() may sleep so call it before taking pch->lock.

Fixes following lockup:

  BUG: scheduling while atomic: cat/2383/0x00000002
  Modules linked in:
    unwind_backtrace+0x0/0xfc
    __schedule_bug+0x4c/0x58
    __schedule+0x690/0x6e0
    sys_sched_yield+0x70/0x78
    tasklet_kill+0x34/0x8c
    pl330_free_chan_resources+0x24/0x88
    dma_chan_put+0x4c/0x50
  [...]
  BUG: spinlock lockup suspected on CPU#0, swapper/0/0
   lock: 0xe52aa04c, .magic: dead4ead, .owner: cat/2383, .owner_cpu: 1
    unwind_backtrace+0x0/0xfc
    do_raw_spin_lock+0x194/0x204
    _raw_spin_lock_irqsave+0x20/0x28
    pl330_tasklet+0x2c/0x5a8
    tasklet_action+0xfc/0x114
    __do_softirq+0xe4/0x19c
    irq_exit+0x98/0x9c
    handle_IPI+0x124/0x16c
    gic_handle_irq+0x64/0x68
    __irq_svc+0x40/0x70
    cpuidle_wrap_enter+0x4c/0xa0
    cpuidle_enter_state+0x18/0x68
    cpuidle_idle_call+0xac/0xe0
    cpu_idle+0xac/0xf0

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-21 18:19:02 -07:00
..
accessibility
acpi ACPI / EC: Add HP Folio 13 to ec_dmi_table in order to skip DSDT scan 2013-07-21 18:19:01 -07:00
amba ARM: 7366/3: amba: Remove AMBA level regulator support 2012-04-13 14:04:08 +01:00
ata ahci: remove pmp link online check in FBS EH 2013-07-21 18:19:01 -07:00
atm atm/iphase: rename fregt_t -> ffreg_t 2013-02-14 10:49:05 -08:00
auxdisplay
base regmap: cache Fix regcache-rbtree sync 2013-04-12 09:38:43 -07:00
bcma bcma: mips: fix clearing device IRQ 2013-01-17 08:50:41 -08:00
block block: do not pass disk names as format strings 2013-07-13 11:03:41 -07:00
bluetooth Bluetooth: Add support for Dell[QCA 0cf3:817a] 2013-04-05 10:04:15 -07:00
cdrom drivers/cdrom/cdrom.c: use kzalloc() for failing hardware 2013-07-13 11:03:40 -07:00
char ipmi: ipmi_devintf: compat_ioctl method fails to take ipmi_mutex 2013-05-19 10:54:49 -07:00
clk clk: remove notifier from list before freeing it 2013-06-27 11:27:30 -07:00
clocksource Revert "clocksource: Load the ACPI PM clocksource asynchronously" 2012-04-12 00:05:05 +02:00
connector
cpufreq cpufreq / Longhaul: Disable driver by default 2013-05-11 13:48:10 -07:00
cpuidle Merge branches 'idle-fix' and 'misc' into release 2012-04-06 21:48:59 -04:00
crypto crypto: mv_cesa requires on CRYPTO_HASH to build 2012-05-15 01:10:06 +00:00
dca dca: check against empty dca_domains list before unregister provider 2013-02-28 06:59:06 -08:00
devfreq
dio
dma drivers/dma/pl330.c: fix locking in pl330_free_chan_resources() 2013-07-21 18:19:02 -07:00
edac EDAC: Test correct variable in ->store function 2013-02-03 18:24:41 -06:00
eisa EISA/PCI: Fix bus res reference 2013-04-12 09:38:44 -07:00
firewire firewire: add minor number range check to fw_device_init() 2013-03-04 06:06:41 +08:00
firmware efivars: Handle duplicate names from get_next_variable() 2013-04-05 10:04:36 -07:00
gpio gpiolib: Don't return -EPROBE_DEFER to sysfs, or for invalid gpios 2012-11-05 09:50:41 +01:00
gpu drm/i915: prefer VBT modes for SVDO-LVDS over EDID 2013-06-20 11:58:45 -07:00
hid HID: usbhid: quirk for Realtek Multi-card reader 2013-04-05 10:04:16 -07:00
hsi HSI: hsi_char: Remove max_data_size from sysfs 2012-04-23 14:23:32 +03:00
hv Drivers: hv: Cleanup error handling in vmbus_open() 2012-10-31 10:02:58 -07:00
hwmon hwmon: (adm1021) Strengthen chip detection for ADM1021, LM84 and MAX1617 2013-06-13 09:45:01 -07:00
hwspinlock hwspinlock: fix __hwspin_lock_request error path 2013-04-12 09:38:46 -07:00
i2c i2c: designware: always clear interrupts before enabling them 2013-05-24 11:14:22 -07:00
ide
idle
ieee802154
infiniband IPoIB: Fix send lockup due to missed TX completion 2013-03-28 12:12:25 -07:00
input Input: cyttsp - fix memcpy size param 2013-06-27 11:27:33 -07:00
iommu iommu/amd: Workaround for ERBT1312 2013-06-07 12:49:48 -07:00
isdn isdn/gigaset: fix zero size border case in debug dump 2013-02-14 10:49:04 -08:00
leds drivers/leds/leds-ot200.c: fix error caused by shifted mask 2013-06-07 12:49:13 -07:00
lguest
macintosh
mca
md md/raid1: consider WRITE as successful only if at least one non-Faulty and non-rebuilding drive completed it. 2013-06-20 11:58:46 -07:00
media media: mantis: fix silly crash case 2013-05-24 11:14:23 -07:00
memstick
message
mfd mfd: adp5520: Restore mode bits on resume 2013-05-07 19:51:57 -07:00
misc SGI-XP: handle non-fatal traps 2013-01-11 09:06:29 -08:00
mmc mmc: atmel-mci: pio hang on block errors 2013-05-07 19:51:57 -07:00
mtd vm: convert mtdchar mmap to vm_iomap_memory() helper 2013-04-25 21:19:56 -07:00
net rtlwifi: rtl8192cu: Fix duplicate if test 2013-07-21 18:19:00 -07:00
nfc NFC: pn533: Fix mem leak in pn533_in_dep_link_up 2012-12-03 11:47:12 -08:00
nubus
of gpio: Fix range check in of_gpio_simple_xlate() 2012-04-10 14:20:56 -06:00
oprofile oprofile: perf: use NR_CPUS instead or nr_cpumask_bits for static array 2012-07-16 09:04:21 -07:00
parisc parisc: move definition of PAGE0 to asm/page.h 2012-05-10 15:12:08 -07:00
parport
pci ahci: Add AMD CZ SATA device ID 2013-07-21 18:19:01 -07:00
pcmcia pcmcia: at91_cf: fix gpio_get_value in at91_cf_get_status 2013-07-21 18:19:01 -07:00
pinctrl pinctrl: tegra: set low power mode bank width to 2 2012-10-28 10:14:14 -07:00
platform thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR 2013-06-07 12:49:49 -07:00
pnp pnpacpi: fix incorrect TEST_ALPHA() test 2013-01-11 09:06:29 -08:00
power charger-manager: Ensure event is not used as format string 2013-07-13 11:03:40 -07:00
pps
ps3
ptp ptp_pch: Add missing #include <linux/slab.h> 2012-05-16 14:44:44 -04:00
rapidio rapidio/tsi721: fix unused variable compiler warning 2012-09-14 10:00:20 -07:00
regulator regulator: wm831x: Set the new rather than old value for DVS VSEL 2013-01-17 08:50:41 -08:00
remoteproc remoteproc: fix a potential NULL-dereference on cleanup 2012-10-07 08:32:28 -07:00
rpmsg rpmsg: fix dependency on initialization order 2012-07-19 08:58:57 -07:00
rtc drivers/rtc/rtc-rv3029c2.c: fix disabling AIE irq 2013-07-21 18:19:01 -07:00
s390 s390/memory hotplug: prevent offline of active memory increments 2013-05-07 19:51:53 -07:00
sbus
scsi SCSI: sd: Fix parsing of 'temporary ' cache mode prefix 2013-07-13 11:03:41 -07:00
sfi
sh
sn
spi spi/mpc512x-psc: optionally keep PSC SS asserted across xfer segmensts 2013-04-12 09:38:43 -07:00
ssb ssb: implement spurious tone avoidance 2013-04-25 21:19:55 -07:00
staging staging: vt6656: use free_netdev instead of kfree 2013-06-07 12:49:10 -07:00
target target/iscsi: don't corrupt bh_count in iscsit_stop_time2retain_timer() 2013-06-27 11:27:33 -07:00
tc
thermal thermal: return an error on failure to register thermal class 2013-04-12 09:38:47 -07:00
tty Revert "serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller" 2013-07-13 11:03:41 -07:00
uio
usb usb: host: xhci-plat: release mem region while removing module 2013-07-21 18:19:01 -07:00
uwb uwb: fix error handling 2012-04-18 13:15:51 -07:00
vhost vhost/net: fix heads usage of ubuf_info 2013-03-28 12:11:54 -07:00
video fbcon: when font is freed, clear also vc_font.data 2013-05-07 19:51:53 -07:00
virt
virtio virtio: force vring descriptors to be allocated from lowmem 2013-01-11 09:06:47 -08:00
vlynq
w1 w1: fix oops when w1_search is called from netlink connector 2013-03-20 13:04:59 -07:00
watchdog hpwdt: Fix kdump issue in hpwdt 2012-10-02 10:30:08 -07:00
xen xen-pciback: rate limit error messages from xen_pcibk_enable_msi{,x}() 2013-06-13 09:45:02 -07:00
zorro
Kconfig
Makefile