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fcdf31a7c1
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Ross Lagerwall fcdf31a7c1 xen/events/fifo: Handle linked events when closing a port 
An event channel bound to a CPU that was offlined may still be linked
on that CPU's queue.  If this event channel is closed and reused,
subsequent events will be lost because the event channel is never
unlinked and thus cannot be linked onto the correct queue.

When a channel is closed and the event is still linked into a queue,
ensure that it is unlinked before completing.

If the CPU to which the event channel bound is online, spin until the
event is handled by that CPU. If that CPU is offline, it can't handle
the event, so clear the event queue during the close, dropping the
events.

This fixes the missing interrupts (and subsequent disk stalls etc.)
when offlining a CPU.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
2015-08-04 15:41:59 +01:00
..
accessibility
acpi Merge branches 'acpi-init' and 'acpica' 2015-05-15 00:31:23 +02:00
amba
android
ata Merge branch 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2015-05-11 10:54:20 -07:00
atm
auxdisplay
base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
bcma Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-04-17 15:50:54 -04:00
block block/xen-blkback: s/nr_pages/nr_segs/ 2015-06-17 16:35:19 +01:00
bluetooth Bluetooth: ath3k: add support of 04ca:300f AR3012 device 2015-05-13 23:04:20 +02:00
bus drivers: CCI: fix used_mask init in validate_group() 2015-05-07 18:29:18 +02:00
cdrom
char ipmi: Fix multi-part message handling 2015-05-05 19:37:22 -05:00
clk clk: si5351: Do not pass struct clk in platform_data 2015-05-08 11:22:30 -07:00
clocksource Initial ACPI support for arm64: 2015-04-24 08:23:45 -07:00
connector
cpufreq cpufreq: intel_pstate: Fix an annoying !CONFIG_SMP warning 2015-04-15 23:02:24 +02:00
cpuidle cpuidle: Run tick_broadcast_exit() with disabled interrupts 2015-04-29 15:19:21 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-04-26 13:51:05 -07:00
dca
devfreq
dio
dma dmaengine: increment privatecnt when using dma_get_any_slave_channel 2015-04-29 16:47:57 +05:30
dma-buf dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
edac
eisa
extcon extcon: usb-gpio: register extcon device before IRQ registration 2015-04-27 11:06:05 +09:00
firewire
firmware Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2015-05-14 18:02:15 -07:00
fmc
gpio gpio: omap: Fix regression for MPUIO interrupts 2015-05-06 15:19:38 +02:00
gpu Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2015-05-22 13:31:54 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2015-05-21 17:23:11 -07:00
hsi HSI: cmt_speech: fix error return code 2015-04-05 14:45:27 +02:00
hv Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case 2015-04-03 16:20:12 +02:00
hwmon hwmon: (w83795) use find_closest_descending() in pwm_freq_to_reg() 2015-04-17 09:03:55 -04:00
hwspinlock
hwtracing/coresight Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
i2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-04-26 17:44:09 -07:00
ide Merge branch 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2015-05-11 10:54:20 -07:00
idle Power management and ACPI updates for v4.1-rc1 2015-04-14 20:21:54 -07:00
iio The usual mixed bag of fixes for IIO in the 4.1 cycle. 2015-05-13 11:51:14 -07:00
infiniband IB/cma: Fix broken AF_IB UD support 2015-05-20 16:15:56 -04:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-05-22 14:49:55 -07:00
iommu iommu/arm-smmu: Fix sign-extension of upstream bus addresses at stage 1 2015-05-11 18:36:20 +02:00
ipack
irqchip irqchip/gicv3-its: ITS table size should not be smaller than PSZ 2015-05-20 22:13:37 +02:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2015-04-15 09:00:47 -07:00
leds This is the bulk of GPIO changes for the v4.1 development 2015-04-18 08:22:10 -04:00
lguest Some virtio internal cleanups, a new virtio device "virtio input", and 2015-04-22 10:55:06 -07:00
macintosh Merge branch 'next-remove-ldst' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc into next 2015-04-07 13:25:14 +10:00
mailbox
mcb mcb: request_mem_region() returns NULL on error 2015-04-03 16:15:30 +02:00
md md fixes for 4.1-rc4 2015-05-22 15:10:07 -07:00
media media fixes for v4.1-rc3 2015-05-05 08:42:06 -07:00
memory ARM: SoC driver updates for v4.1 2015-04-22 09:18:17 -07:00
memstick memstick: mspro_block: add missing curly braces 2015-04-17 09:04:09 -04:00
message
mfd platform/chrome: Updates for v4.1 2015-04-26 13:36:02 -07:00
misc Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
mmc mmc: atmel-mci: fix bad variable type for clkdiv 2015-05-18 09:04:42 +02:00
mtd Two MTD fixes for 4.1: 2015-05-18 10:01:54 -07:00
net xen: Include xen/page.h rather than asm/xen/page.h 2015-06-17 16:14:18 +01:00
nfc NFC: logging neatening 2015-04-07 12:05:12 +02:00
ntb
nubus
of Devicetree updates for 4.1: 2015-04-24 08:46:18 -07:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
parisc parisc: %pf is only for function pointers 2015-04-24 13:45:54 +02:00
parport
pci xen/pcifront: Remove usage of struct timeval 2015-06-08 10:49:50 +01:00
pcmcia ARM: SoC cleanups for v4.1 2015-04-22 09:04:39 -07:00
phy USB patches for 4.1-rc1 2015-04-13 17:07:21 -07:00
pinctrl These are some GPIO fixes for the v4.1 series: 2015-05-08 19:42:59 -07:00
platform thinkpad_acpi: Fix warning for static not at beginning 2015-05-05 13:56:46 -07:00
pnp Power management and ACPI updates for v4.1-rc1 2015-04-14 20:21:54 -07:00
power power: bq27x00_battery: Add missing MODULE_ALIAS 2015-05-01 23:01:48 +02:00
powercap powercap / RAPL: Add support for Intel Skylake processors 2015-04-15 23:06:16 +02:00
pps
ps3
ptp
pwm pwm: img: Impose upper and lower timebase steps value 2015-05-19 16:07:40 +02:00
rapidio
ras
regulator == Changes to existing drivers == 2015-04-14 17:29:55 -07:00
remoteproc
reset
rpmsg
rtc drivers/rtc/rtc-armada38x.c: remove unused local `flags' 2015-05-14 17:55:51 -07:00
s390 s390/zcrypt: Fix invalid domain handling during ap module unload 2015-05-13 09:57:29 +02:00
sbus drivers/sbus/char/envctrl.c: ignore orderly_poweroff return value 2015-04-15 16:35:23 -07:00
scsi MAINTAINERS, be2iscsi: change email domain 2015-05-18 11:34:52 -07:00
sfi
sh drivers: sh: Remove test for now unsupported sh7372 2015-04-27 13:08:14 +09:00
sn
soc - fix unused variable warning for pmic-wrapper 2015-04-14 00:43:28 +02:00
spi Merge remote-tracking branches 'spi/fix/fsl-cpm', 'spi/fix/fsl-dspi' and 'spi/fix/fsl-espi' into spi-linus 2015-05-11 17:29:49 +01:00
spmi spmi: pmic_arb: remove ARM build time dependency 2015-04-03 16:15:30 +02:00
ssb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-04-17 15:50:54 -04:00
staging Staging / IIO driver fixes for 4.1-rc4 2015-05-16 21:04:56 -07:00
target Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-04-24 10:22:09 -07:00
tc
thermal Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into for-rc 2015-05-19 08:12:27 +08:00
thunderbolt
tty hvc_xen: avoid uninitialized variable warning 2015-05-28 12:23:12 +01:00
uio Revert "uio: constify of_device_id array" 2015-04-03 16:04:21 +02:00
usb USB-serial fixes for v4.1-rc4 2015-05-14 12:43:36 -07:00
uwb
vfio vfio: Fix runaway interruptible timeout 2015-05-01 16:31:41 -06:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-04-24 10:22:09 -07:00
video fbdev changes for v4.1 2015-04-20 15:16:25 -07:00
virt
virtio virtio: drop virtio_device_is_legacy_only 2015-04-15 12:41:14 +09:30
vlynq
vme
w1
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2015-04-22 11:22:55 -07:00
xen xen/events/fifo: Handle linked events when closing a port 2015-08-04 15:41:59 +01:00
zorro
Kconfig
Makefile coresight: moving to new "hwtracing" directory 2015-04-03 16:17:04 +02:00