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Ross Lagerwall 61a734d305 xen/manage: Always freeze/thaw processes when suspend/resuming 
Always freeze processes when suspending and thaw processes when resuming
to prevent a race noticeable with HVM guests.

This prevents a deadlock where the khubd kthread (which is designed to
be freezable) acquires a usb device lock and then tries to allocate
memory which requires the disk which hasn't been resumed yet.
Meanwhile, the xenwatch thread deadlocks waiting for the usb device
lock.

Freezing processes fixes this because the khubd thread is only thawed
after the xenwatch thread finishes resuming all the devices.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: stable@vger.kernel.org
 		2014-09-02 15:36:59 +01:00
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accessibility
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acpi ACPI and power management updates for 3.17-rc1 2014-08-06 20:34:19 -07:00
amba
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ata Merge branch 'akpm' (patchbomb from Andrew Morton) 2014-08-06 21:14:42 -07:00
atm atm: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
auxdisplay
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base Merge branch 'akpm' (patchbomb from Andrew Morton) 2014-08-06 21:14:42 -07:00
bcma bcma: use NS prefix for names of Northstar specific cores 2014-07-31 13:45:32 -04:00
block block: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
bluetooth Bluetooth: Fix crash in the Marvell driver initialization codepath 2014-07-31 01:07:28 +02:00
bus ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
cdrom
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char Cheers, 2014-08-10 21:31:04 -07:00
clk ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
clocksource ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
connector
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cpufreq ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
cpuidle ARM: EXYNOS: Fix suspend/resume sequences 2014-08-09 08:24:36 -07:00
crypto crypto: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
dca
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devfreq
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dio
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dma sound updates for 3.17-rc1 2014-08-06 20:07:24 -07:00
dma-buf
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edac Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-08-04 17:21:59 -07:00
eisa
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extcon
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firewire Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-08-06 09:38:14 -07:00
firmware kexec: support kexec/kdump on EFI systems 2014-08-08 15:57:33 -07:00
fmc
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gpio This is the bulk of GPIO changes for the v3.17 development 2014-08-08 18:00:35 -07:00
gpu Merge branch 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 2014-08-09 17:46:39 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-08-08 17:39:48 -07:00
hsi HSI changes for the v3.17 series 2014-08-06 20:06:14 -07:00
hv Char / Misc driver patches for 3.17-rc1 2014-08-04 17:32:24 -07:00
hwmon fs.h, drivers/hwmon/asus_atk0110.c: fix DEFINE_SIMPLE_ATTRIBUTE semicolon definition and use 2014-08-06 18:01:23 -07:00
hwspinlock
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i2c Merge branch 'i2c/for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2014-08-09 09:15:07 -07:00
ide ide: use module_platform_driver() 2014-08-05 21:16:46 -07:00
idle
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iio Staging driver patches for 3.17-rc1 2014-08-04 18:36:12 -07:00
infiniband infiniband: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-08-08 17:39:48 -07:00
iommu ARM: SoC cleanups for 3.17 2014-08-08 11:00:26 -07:00
ipack
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irqchip ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
isdn net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
leds ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
lguest mm/vmalloc.c: clean up map_vm_area third argument 2014-08-06 18:01:19 -07:00
macintosh == Changes to existing drivers == 2014-08-07 17:23:16 -07:00
mailbox mailbox/omap: add a parent structure for every IP instance 2014-07-29 01:57:25 -07:00
mcb
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md Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-08-04 16:23:30 -07:00
media media: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
memory memory: Freescale CoreNet Coherency Fabric error reporting driver 2014-07-29 19:26:30 -05:00
memstick
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message
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mfd == Changes to existing drivers == 2014-08-07 17:17:39 -07:00
misc ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
mmc == Changes to existing drivers == 2014-08-07 17:17:39 -07:00
mtd MTD updates for 3.17-rc1 2014-08-08 18:13:21 -07:00
net drivers/net/ethernet/amd/pcnet32.c: neaten and remove unnecessary OOM messages 2014-08-08 15:57:30 -07:00
nfc
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ntb
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nubus
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of Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-08-05 17:46:42 -07:00
oprofile
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parisc
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parport drivers/parport/parport_ip32.c: use PTR_ERR_OR_ZERO 2014-08-08 15:57:25 -07:00
pci ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
pcmcia Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-08-07 08:50:34 -07:00
phy ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
pinctrl ARM: SoC driver changes for 3.17 2014-08-08 11:34:32 -07:00
platform platform/chrome: Updates for 3.17 2014-08-10 11:13:58 -07:00
pnp ACPI / PNP: Fix acpi_pnp_match() 2014-07-30 00:23:09 +02:00
power ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
powercap
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pps
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ps3
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ptp
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pwm pwm: Changes for v3.17-rc1 2014-08-08 18:06:29 -07:00
rapidio rapidio/tsi721_dma: rework scatter-gather list handling 2014-08-08 15:57:24 -07:00
ras
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regulator == Changes to existing drivers == 2014-08-07 17:17:39 -07:00
remoteproc
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reset
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rpmsg
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rtc Merge branch 'akpm' (second patchbomb from Andrew Morton) 2014-08-08 15:57:47 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2014-08-07 08:41:00 -07:00
sbus Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2014-08-05 18:57:18 -07:00
scsi scsi: use pci_zalloc_consistent 2014-08-08 15:57:29 -07:00
sfi
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sh
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sn
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soc
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spi ARM: SoC cleanups for 3.17 2014-08-08 11:00:26 -07:00
spmi
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ssb
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staging Merge branch 'akpm' (second patchbomb from Andrew Morton) 2014-08-08 15:57:47 -07:00
target SCSI misc on 20140806 2014-08-06 20:10:32 -07:00
tc
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thermal
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thunderbolt
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tty Merge branch 'akpm' (second patchbomb from Andrew Morton) 2014-08-08 15:57:47 -07:00
uio
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usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-08-06 21:03:53 -07:00
uwb uwb/whci: use correct structure type name in sizeof 2014-08-01 15:48:08 -07:00
vfio drivers/vfio: EEH support for VFIO PCI device 2014-08-05 15:28:48 +10:00
vhost
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video This finally applies the stricter sysfs perms checking we pulled out 2014-08-10 21:31:58 -07:00
virt
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virtio
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vlynq
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vme vme: bridges: use pci_zalloc_consistent 2014-08-08 15:57:30 -07:00
w1
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watchdog Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-08-07 08:47:00 -07:00
xen xen/manage: Always freeze/thaw processes when suspend/resuming 2014-09-02 15:36:59 +01:00
zorro
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Kconfig Char / Misc driver patches for 3.17-rc1 2014-08-04 17:32:24 -07:00
Makefile Driver core patches for 3.17-rc1 2014-08-04 18:34:04 -07:00