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Fabio Estevam 3169134478 fec: Fix inconsistent lock state 
fec_restart() runs in softirq context and we should use the
netif_tx_lock_bh/netif_tx_unlock_bh() variants to avoid the following warning
that happens since commit 54309fa6 ("net: fec: fix kernel oops when plug/unplug
cable many times"):

[    9.753168] =================================
[    9.757540] [ INFO: inconsistent lock state ]
[    9.761921] 3.10.0-rc1-next-20130514 #13 Not tainted
[    9.766897] ---------------------------------
[    9.771264] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[    9.777288] swapper/0 [HC0[0]:SC1[3]:HE1:SE0] takes:
[    9.782261]  (_xmit_ETHER#2){+.?...}, at: [<c03c24a4>] sch_direct_xmit+0xa0/0x2d4
[    9.789879] {SOFTIRQ-ON-W} state was registered at:
[    9.794769]   [<c0059c60>] __lock_acquire+0x528/0x1bc0
[    9.799953]   [<c005b838>] lock_acquire+0xa0/0x108
[    9.804780]   [<c0441320>] _raw_spin_lock+0x28/0x38
[    9.809702]   [<c02f9fc8>] fec_restart+0x5d0/0x664
[    9.814542]   [<c02fa738>] fec_enet_adjust_link+0xa8/0xc0
[    9.819978]   [<c02f7a28>] phy_state_machine+0x2fc/0x370
[    9.825323]   [<c0035ee0>] process_one_work+0x1c0/0x4a0
[    9.830589]   [<c0036594>] worker_thread+0x138/0x394
[    9.835587]   [<c003c620>] kthread+0xa4/0xb0
[    9.839890]   [<c000e820>] ret_from_fork+0x14/0x34
[    9.844728] irq event stamp: 185984
[    9.848226] hardirqs last  enabled at (185984): [<c00232b0>] local_bh_enable_ip+0x84/0xf0
[    9.856450] hardirqs last disabled at (185983): [<c0023270>] local_bh_enable_ip+0x44/0xf0
[    9.864667] softirqs last  enabled at (185966): [<c0023470>] irq_enter+0x64/0x68
[    9.872099] softirqs last disabled at (185967): [<c0023510>] irq_exit+0x9c/0xd8
[    9.879440]
[    9.879440] other info that might help us debug this:
[    9.885981]  Possible unsafe locking scenario:
[    9.885981]
[    9.891912]        CPU0
[    9.894364]        ----
[    9.896814]   lock(_xmit_ETHER#2);
[    9.900259]   <Interrupt>
[    9.902884]     lock(_xmit_ETHER#2);
[    9.906500]
[    9.906500]  *** DEADLOCK ***

Reported-by: Shawn Guo <shawn.guo@linaro.org>
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-15 14:42:15 -07:00
..
accessibility
acpi ACPICA fixes for 3.10-rc1 2013-05-09 16:33:42 -07:00
amba
ata ARM: arm-soc: late cleanups 2013-05-07 11:22:14 -07:00
atm atm: he: use mdelay instead of large udelay constants 2013-04-29 13:26:48 -04:00
auxdisplay
base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-05-01 13:20:04 -07:00
bcma - Lots of cleanups from Artem, including deletion of some obsolete drivers 2013-05-09 10:15:46 -07:00
block Merge git://git.infradead.org/users/willy/linux-nvme 2013-05-09 16:35:00 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
bus
cdrom block_device_operations->release() should return void 2013-05-07 02:16:21 -04:00
char aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
clk ARM: late Exynos multiplatform changes 2013-05-07 11:28:42 -07:00
clocksource ARM: late Exynos multiplatform changes 2013-05-07 11:28:42 -07:00
connector
cpufreq Merge branch 'pm-cpufreq' 2013-04-29 00:08:46 +02:00
cpuidle cpuidle: add maintainer entry 2013-04-26 22:30:25 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2013-05-02 14:53:12 -07:00
dca
devfreq
dio
dma Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2013-05-09 09:46:45 -07:00
edac Two small EDAC fixes. 2013-05-09 10:11:08 -07:00
eisa PCI changes for the v3.10 merge window: 2013-04-29 09:30:25 -07:00
extcon Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
firewire IEEE 1394 (FireWire) subsystem changes: 2013-05-09 10:11:48 -07:00
firmware Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
gpio Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
gpu Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2013-05-13 07:59:59 -07:00
hid HID: debug: fix RCU preemption issue 2013-05-06 13:07:33 +02:00
hsi
hv Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-04-30 08:41:21 -07:00
hwmon Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2013-05-04 13:44:38 -07:00
hwspinlock A single patch from Vincent extending OMAP's hwspinlock support to OMAP5. 2013-05-07 14:01:27 -07:00
i2c Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
ide block_device_operations->release() should return void 2013-05-07 02:16:21 -04:00
idle Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2013-05-11 15:23:17 -07:00
iio
infiniband InfiniBand/RDMA changes for the 3.10 merge window: 2013-05-08 15:29:48 -07:00
input Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
iommu IOMMU Updates for Linux v3.10 2013-05-06 14:59:13 -07:00
ipack
irqchip ARM: late Exynos multiplatform changes 2013-05-07 11:28:42 -07:00
isdn Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
leds Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
lguest lguest: clear cached last cpu when guest_set_pgd() called. 2013-05-08 10:49:18 +09:30
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-05-02 10:16:16 -07:00
mailbox
md dm cache: set config value 2013-05-10 14:37:21 +01:00
media Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2013-05-02 14:38:53 -07:00
memory
memstick block_device_operations->release() should return void 2013-05-07 02:16:21 -04:00
message Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block 2013-05-08 10:13:35 -07:00
mfd For 3.10 we have a few new MFD drivers for: 2013-05-05 17:36:20 -07:00
misc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-07 15:14:53 -07:00
mtd - Lots of cleanups from Artem, including deletion of some obsolete drivers 2013-05-09 10:15:46 -07:00
net fec: Fix inconsistent lock state 2013-05-15 14:42:15 -07:00
nfc
ntb
nubus nubus: Kill nubus_proc_detach_device() 2013-05-04 14:47:26 -04:00
of net: of_mdio: fix behavior on missing phy device 2013-05-08 13:13:29 -07:00
oprofile
parisc parisc: fix partly 16/64k PAGE_SIZE boot 2013-05-06 23:08:32 +02:00
parport
pci PCI updates for v3.10: 2013-05-09 10:21:44 -07:00
pcmcia
pinctrl Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
platform - Artem's removal of dead code continues (RPX, MBX860) 2013-05-10 09:09:47 -07:00
pnp Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-05-02 10:16:16 -07:00
power For 3.10 we have a few new MFD drivers for: 2013-05-05 17:36:20 -07:00
pps Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
ps3
ptp
pwm pwm: lpc32xx: Don't change PWM_ENABLE bit in lpc32xx_pwm_config 2013-04-23 10:58:47 +02:00
rapidio
regulator Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
remoteproc This pull request contains: 2013-05-07 14:04:56 -07:00
reset
rpmsg A small pull request consisting of: 2013-05-07 14:02:00 -07:00
rtc Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-05-09 14:34:58 -07:00
s390 Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block 2013-05-08 10:13:35 -07:00
sbus
scsi Merge branch 'postmerge' into for-linus 2013-05-10 07:54:01 -07:00
sfi
sh
sn
spi Merge remote-tracking branch 'spi/fix/grant' into spi-linus 2013-05-13 18:27:18 +04:00
ssb - Lots of cleanups from Artem, including deletion of some obsolete drivers 2013-05-09 10:15:46 -07:00
ssbi
staging Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
tc
thermal Merge branch 'cpu_cooling-doc-comments-update' of .git into next 2013-04-27 09:28:56 +08:00
tty Merge git://git.infradead.org/users/eparis/audit 2013-05-11 14:29:11 -07:00
uio
usb Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-05-09 14:34:58 -07:00
uwb uwb: rename random32() to prandom_u32() 2013-04-29 18:28:43 -07:00
vfio vfio updates for v3.10 2013-05-02 14:02:32 -07:00
vhost Add missing module license tag to vring helpers. 2013-05-08 10:49:03 +09:30
video Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-05-10 07:48:05 -07:00
virt
virtio
vlynq
vme
w1 Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
watchdog watchdog: Fix race condition in registration code 2013-05-09 08:13:41 +02:00
xen Bug-fixes: 2013-05-11 16:19:30 -07:00
zorro proc: Supply PDE attribute setting accessor functions 2013-05-01 17:29:18 -04:00
Kconfig ARM: arm-soc driver changes for 3.10 2013-05-04 12:31:18 -07:00
Makefile ARM: arm-soc driver changes for 3.10 2013-05-04 12:31:18 -07:00