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OpenCloudOS-Kernel
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Jason Wang 9b9cd8024a virtio-net: fix the race between channels setting and refill 
Commit 55257d72bd (virtio-net: fill only rx queues
which are being used) tries to refill on demand when changing the number of
channels by call try_refill_recv() directly, this may race:

- the refill work who may do the refill in the same time
- the try_refill_recv() called in bh since napi was not disabled

Which may led guest complain during setting channels:

virtio_net virtio0: input.1:id 0 is not a head!

Solve this issue by scheduling a refill work which can guarantee the
serialization of refill.

Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 		2013-07-04 11:25:06 +09:30
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accessibility
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acpi ACPI / scan: Fix memory leak on acpi_scan_init_hotplug() error path 2013-05-15 21:42:24 +02:00
amba
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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
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base PM: Avoid calling kfree() under spinlock in dev_pm_put_subsys_data() 2013-05-12 14:04:40 +02:00
bcma - Lots of cleanups from Artem, including deletion of some obsolete drivers 2013-05-09 10:15:46 -07:00
block virtio_blk: Add missing 'static' qualifiers 2013-05-20 12:09:23 +09:30
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
bus
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cdrom block_device_operations->release() should return void 2013-05-07 02:16:21 -04:00
char ipmi: ipmi_devintf: compat_ioctl method fails to take ipmi_mutex 2013-05-16 13:49:25 -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
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cpufreq cpufreq: Preserve sysfs files across suspend/resume 2013-05-15 21:47:17 +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
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devfreq
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dio
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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
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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
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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
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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 Fix comment typo "CONFIG_PAE" 2013-07-02 15:42:00 +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
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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
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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 'fixes' of git://git.linaro.org/people/rmk/linux-arm 2013-05-15 13:37:54 -07:00
mtd - Lots of cleanups from Artem, including deletion of some obsolete drivers 2013-05-09 10:15:46 -07:00
net virtio-net: fix the race between channels setting and refill 2013-07-04 11:25:06 +09:30
nfc
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ntb NTB: Multiple NTB client fix 2013-05-15 10:58:22 -07:00
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
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parisc parisc: fix partly 16/64k PAGE_SIZE boot 2013-05-06 23:08:32 +02:00
parport
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pci PCI updates for v3.10: 2013-05-09 10:21:44 -07:00
pcmcia
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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
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ptp
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pwm pwm: lpc32xx: Don't change PWM_ENABLE bit in lpc32xx_pwm_config 2013-04-23 10:58:47 +02:00
rapidio
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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
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rpmsg A small pull request consisting of: 2013-05-07 14:02:00 -07:00
rtc Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-05-15 14:05:17 -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
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scsi Merge branch 'postmerge' into for-linus 2013-05-10 07:54:01 -07:00
sfi
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sh
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sn
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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
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staging Removal of GENERIC_GPIO for v3.10 2013-05-09 09:59:16 -07:00
target Merge branch 'queue' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-05-16 07:55:07 -07:00
tc
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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
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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
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virtio virtio_balloon: leak_balloon(): only tell host if we got pages deflated 2013-07-02 15:42:03 +09:30
vlynq
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vme
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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