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54e16f64f0
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Mitch Williams 54e16f64f0 i40evf: don't wait forever 
Under rare circumstances, after a reset, set_rx_mode might get called
while the watchdog is running, which will cause a deadlock on the
critical section lock. To correct this, add a counter and give up trying
to get the lock after fifty tries. Log a message if this happens but
don't take any other action. Because this happens after a reset, all of
the Rx filters are still in place and the device won't lose
connectivity.

We can also get stuck during shutdown, if the PF has stopped communicating
with us, or if a reset is occurring. If we can't get the lock after a reasonable
amount of time, just error out. Something else bad is happening anyway, so
adding this filter is the least of our concern right now.

Change-ID: I159731e2a82a06b389ee31b34ce336548e05baa0
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-02-23 17:13:21 -08:00
..
accessibility
acpi ACPI / idle: Implement ->enter_freeze callback routine 2015-02-15 19:40:10 +01:00
amba ARM: 8256/1: driver coamba: add device binding path 'driver_override' 2015-02-10 10:23:15 +00:00
android
ata Merge branch 'for-3.20/drivers' of git://git.kernel.dk/linux-block 2015-02-12 14:30:53 -08:00
atm
auxdisplay
base driver core patches for 3.20-rc1 2015-02-15 11:11:47 -08:00
bcma bcma: implement host code support for PCIe Gen 2 devices 2015-01-29 10:54:43 +02:00
block brd: rename XIP to DAX 2015-02-16 17:56:04 -08:00
bluetooth TTY/Serial driver patches for 3.20-rc1 2015-02-15 11:37:02 -08:00
bus ARM: SoC platform changes 2015-02-17 09:27:54 -08:00
cdrom
char Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2015-02-17 13:20:42 -08:00
clk ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
clocksource ARM: SoC platform changes 2015-02-17 09:27:54 -08:00
connector
coresight coresight: fix function etm_writel_cp14() parameter order 2015-02-04 10:42:55 -08:00
cpufreq Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools' 2015-02-13 21:39:06 +01:00
cpuidle Suspend-to-idle timer quiescing support for v3.20-rc1 2015-02-17 14:17:51 -08:00
crypto
dca
devfreq Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools' 2015-02-13 21:39:06 +01:00
dio
dma ARM: SoC cleanups 2015-02-17 09:17:33 -08:00
dma-buf
edac EDAC, mv64x60_edac: Fix an error code in probe() 2015-01-30 17:00:43 +01:00
eisa
extcon
firewire
firmware x86_64: kasan: add interceptors for memset/memmove/memcpy functions 2015-02-13 21:21:41 -08:00
fmc
gpio Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-02-12 08:51:56 -08:00
gpu Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-02-16 15:48:00 -08:00
hid Merge branches 'for-3.19/upstream-fixes', 'for-3.20/apple', 'for-3.20/betop', 'for-3.20/lenovo', 'for-3.20/logitech', 'for-3.20/rmi', 'for-3.20/upstream' and 'for-3.20/wacom' into for-linus 2015-02-09 11:17:45 +01:00
hsi
hv Char / Misc patches for 3.20-rc1 2015-02-15 10:48:44 -08:00
hwmon hwmon: (tmp102) add hibernation callbacks 2015-02-03 12:17:12 -08:00
hwspinlock
i2c i2c: sh_mobile: terminate DMA reads properly 2015-01-30 17:58:43 +01:00
ide
idle intel_idle: Add ->enter_freeze callbacks 2015-02-15 19:40:09 +01:00
iio Staging drivers patches for 3.20-rc1 2015-02-15 11:30:39 -08:00
infiniband Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 15:18:19 -08:00
input input: use %*pb[l] to print bitmaps including cpumasks and nodemasks 2015-02-13 21:21:38 -08:00
iommu IOMMU Updates for Linux v3.20 2015-02-12 09:16:56 -08:00
ipack
irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-16 15:20:40 -08:00
isdn drivers: isdn: isdnloop: isdnloop.c: Remove parenthesis around return values, as specified in CodingStyle. 2015-02-05 15:40:23 -08:00
leds leds: leds-gpio: Pass on error codes unmodified 2015-02-02 14:36:10 -08:00
lguest x86: Clean up cr4 manipulation 2015-02-04 12:10:41 +01:00
macintosh
mailbox Merge branch 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2015-02-11 12:56:40 -08:00
mcb mcb: Fix error path of mcb_pci_probe 2015-02-03 15:48:51 -08:00
md 3 bug md fixes for 3.20 2015-02-17 17:34:21 -08:00
media mm: gup: use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
memory memory/fsl-corenet-cf: Add t1040 support 2015-01-29 22:57:43 -06:00
memstick
message i2o: move to staging 2015-02-03 15:58:39 -08:00
mfd
misc Char / Misc patches for 3.20-rc1 2015-02-15 10:48:44 -08:00
mmc mmc: sdhci-s3c: solve problem with sleeping in atomic context 2015-02-04 13:39:14 +01:00
mtd Merge branch 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs 2015-02-15 10:11:39 -08:00
net i40evf: don't wait forever 2015-02-23 17:13:21 -08:00
nfc NFC: nci: Move NFCEE discovery logic 2015-02-04 09:15:18 +01:00
ntb
nubus
of ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
oprofile
parisc
parport
pci ACPI and power management updates for v3.20-rc1 2015-02-10 15:09:41 -08:00
pcmcia ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
phy USB patches for 3.20-rc1 2015-02-15 10:24:55 -08:00
pinctrl This is the bulk of pin control changes for the v3.20 cycle: 2015-02-11 11:23:13 -08:00
platform
pnp TTY/Serial driver patches for 3.20-rc1 2015-02-15 11:37:02 -08:00
power power_supply: 88pm860x: Fix leaked power supply on probe fail 2015-01-28 15:08:10 +01:00
powercap
pps
ps3
ptp
pwm
rapidio rapidio/tsi721: use PCI define for Max_Read_Request_Size 2015-01-27 08:14:26 -06:00
ras
regulator Merge remote-tracking branches 'regulator/topic/rk808', 'regulator/topic/rpm', 'regulator/topic/rt5033' and 'regulator/topic/tps65023' into regulator-next 2015-02-08 11:16:30 +08:00
remoteproc
reset
rpmsg
rtc ARM: SoC cleanups 2015-02-17 09:17:33 -08:00
s390 Fairly small update, but there are some interesting new features. 2015-02-13 09:55:09 -08:00
sbus
scsi Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 15:18:19 -08:00
sfi
sh
sn
soc ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
spi treewide: Remove unnecessary BCMA_CORETABLE_END macro 2015-02-11 14:38:28 -08:00
spmi
ssb treewide: Remove unnecessary SSB_DEVTABLE_END macro 2015-02-11 14:38:29 -08:00
staging Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 14:56:45 -08:00
target
tc
thermal Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-27 16:59:56 -08:00
thunderbolt
tty TTY/Serial driver patches for 3.20-rc1 2015-02-15 11:37:02 -08:00
uio
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-17 17:41:19 -08:00
uwb USB patches for 3.20-rc1 2015-02-15 10:24:55 -08:00
vfio
vhost vhost_net: fix wrong iter offset when setting number of buffers 2015-02-15 08:17:15 -08:00
video mm: gup: use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
virt
virtio
vlynq
vme
w1
watchdog
xen SCSI misc on 20150209 2015-02-11 10:28:45 -08:00
zorro
Kconfig i2o: move to staging 2015-02-03 15:58:39 -08:00
Makefile