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Vitaly Kuznetsov 9988ce6856 Drivers: hv: ring_buffer: wrap around mappings for ring buffers 
Make it possible to always use a single memcpy() or to provide a direct
link to a packet on the ring buffer by creating virtual mapping for two
copies of the ring buffer with vmap(). Utilize currently empty
hv_ringbuffer_cleanup() to do the unmap.

While on it, replace sizeof(struct hv_ring_buffer) check
in hv_ringbuffer_init() with BUILD_BUG_ON() as it is a compile time check.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-02 17:22:51 +02:00
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accessibility
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acpi
libnvdimm, nd_blk: mask off reserved status bits
2016-08-08 09:26:13 -07:00
amba
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android
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ata
New LED class driver:
2016-07-27 14:03:52 -07:00
atm
drivers: atm: nicstar: Use the correct function to free some resources
2016-07-19 11:30:26 -07:00
auxdisplay
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base
More power management updates for v4.8-rc1
2016-08-05 23:26:16 -04:00
bcma
wireless-drivers-next patches for 4.8
2016-07-25 11:09:19 -07:00
block
virtio/vhost: fixes and cleanups for 4.8
2016-08-11 14:10:23 -07:00
bluetooth
miscdevice: Use module_misc_device() macro
2016-08-31 14:12:35 +02:00
bus
ARM: SoC driver updates for v4.8
2016-08-01 18:36:01 -04:00
cdrom
cdrom: support read sub-channel command in LBA format
2016-07-12 08:24:50 -07:00
char
drivers: char: mem: Check {read,write}_kmem() addresses
2016-08-31 15:21:18 +02:00
clk
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
clocksource
Merge branch 'linus' into timers/urgent, to pick up fixes
2016-08-10 14:36:23 +02:00
connector
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cpufreq
Merge branches 'pm-sleep' and 'pm-cpufreq'
2016-08-12 22:53:58 +02:00
cpuidle
powerpc updates for 4.8 # 1
2016-07-30 21:01:36 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2016-08-01 14:28:42 -04:00
dax
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dca
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devfreq
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dio
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dma
dmaengine updates for 4.8-rc1
2016-07-28 15:45:17 -07:00
dma-buf
dma-buf: Release module reference on creation failure
2016-07-18 14:10:49 +02:00
edac
* Altera Arria10 ethernet FIFO buffer support (Thor Thayer)
2016-07-27 13:40:47 -07:00
eisa
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extcon
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firewire
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firmware
efi/capsule: Allocate whole capsule into virtual memory
2016-08-11 13:55:36 +02:00
fmc
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fpga
drivers/fpga/Kconfig: fix build failure
2016-08-04 08:50:07 -04:00
gpio
This is the bulk of GPIO changes for the v4.8 kernel cycle.
2016-07-26 19:16:01 -07:00
gpu
drm/cirrus: Fix NULL pointer dereference when registering the fbdev
2016-08-09 13:01:47 +10:00
hid
miscdevice: Add helper macro for misc device boilerplate
2016-08-31 14:12:35 +02:00
hsi
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hv
Drivers: hv: ring_buffer: wrap around mappings for ring buffers
2016-09-02 17:22:51 +02:00
hwmon
hwmon updates for v4.8 (take 2)
2016-08-01 16:49:13 -04:00
hwspinlock
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hwtracing
coresight: etm4x: adding configurable start/stop filtering
2016-08-31 13:05:44 +02:00
i2c
powerpc updates for 4.8 # 1
2016-07-30 21:01:36 -07:00
ide
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
2016-07-29 13:29:06 -07:00
idle
Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-07-30 12:56:26 -07:00
iio
misc: retire the old BMP085 driver
2016-08-31 14:11:33 +02:00
infiniband
Second round of merge items for 4.8
2016-08-04 20:26:31 -04:00
input
miscdevice: Add helper macro for misc device boilerplate
2016-08-31 14:12:35 +02:00
iommu
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
ipack
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irqchip
tree-wide: replace config_enabled() with IS_ENABLED()
2016-08-04 08:50:07 -04:00
isdn
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leds
powerpc updates for 4.8 # 1
2016-07-30 21:01:36 -07:00
lguest
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lightnvm
miscdevice: Use module_misc_device() macro
2016-08-31 14:12:35 +02:00
macintosh
powerpc updates for 4.8 # 1
2016-07-30 21:01:36 -07:00
mailbox
mailbox: Fix format and type mismatches in Broadcom PDC driver
2016-07-28 21:27:31 +05:30
mcb
mcb: remove sub-device handling code
2016-08-31 13:16:24 +02:00
md
block: rename bio bi_rw to bi_opf
2016-08-07 14:41:02 -06:00
media
media updates for v4.8-rc1
2016-08-04 09:59:37 -04:00
memory
fix:memory:of_memory:add missing header dependencies
2016-08-31 15:21:18 +02:00
memstick
memstick: don't allocate unused major for ms_block
2016-08-02 17:31:41 -04:00
message
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mfd
ARM: SoC driver updates for v4.8
2016-08-01 18:36:01 -04:00
misc
misc: pch_phub: Add UART_CLK quirk for Boston platform
2016-08-31 15:45:18 +02:00
mmc
MMC core:
2016-07-31 21:36:58 -04:00
mtd
This pull request contains mostly cleanups and minor
2016-08-04 19:51:49 -04:00
net
virtio/vhost: new features for 4.8
2016-08-06 09:20:13 -04:00
nfc
NFC 4.8 pull request
2016-07-20 23:39:36 -07:00
ntb
NTB: ntb_hw_intel: use local variable pdev
2016-08-05 10:34:13 -04:00
nubus
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nvdimm
nvdimm, btt: add a size attribute for BTTs
2016-08-08 09:26:14 -07:00
nvme
nvme: Suspend all queues before deletion
2016-08-11 09:35:57 -06:00
nvmem
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of
ramoops: use DT reserved-memory bindings
2016-08-05 11:21:36 -07:00
oprofile
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parisc
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
parport
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pci
genirq/msi: Make sure PCI MSIs are activated early
2016-08-09 09:19:32 +02:00
pcmcia
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perf
drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property
2016-08-09 17:57:39 +01:00
phy
MMC core:
2016-07-31 21:36:58 -04:00
pinctrl
This is the bulk of pin control changes for the v4.8 kernel cycle.
2016-07-28 17:06:51 -07:00
platform
dell-wmi: Ignore WMI event 0xe00e
2016-08-08 11:00:21 -07:00
pnp
PNP: pnpbios: add header file to fix build errors
2016-07-27 18:52:54 +02:00
power
ARM: SoC driver updates for v4.8
2016-08-01 18:36:01 -04:00
powercap
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pps
pps: do not crash when failed to register
2016-07-23 10:25:54 +09:00
ps3
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ptp
…
pwm
pwm: Changes for v4.8-rc1
2016-08-06 00:01:33 -04:00
rapidio
rapidio: dereferencing an error pointer
2016-08-10 16:40:56 -07:00
ras
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regulator
pwm: Changes for v4.8-rc1
2016-08-06 00:01:33 -04:00
remoteproc
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
reset
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rpmsg
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rtc
RTC for 4.8
2016-08-05 09:48:22 -04:00
s390
miscdevice: Add helper macro for misc device boilerplate
2016-08-31 14:12:35 +02:00
sbus
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scsi
ipr: Fix sync scsi scan
2016-08-09 10:17:42 -07:00
sfi
…
sh
…
sn
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soc
ARM: SoC driver updates for v4.8
2016-08-01 18:36:01 -04:00
spi
ARM: DT updates for v4.8
2016-08-01 18:37:45 -04:00
spmi
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ssb
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staging
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-08-07 10:01:14 -04:00
target
target: iblock_execute_sync_cache() should use bio_set_op_attrs()
2016-08-07 14:41:02 -06:00
tc
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thermal
Merge branches 'thermal-intel' and 'thermal-core' into next
2016-08-08 10:59:35 +08:00
thunderbolt
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tty
serial: pch_uart: Add support for reading clock-frequency from DT
2016-08-31 15:45:19 +02:00
uio
uio: fix dmem_region_start computation
2016-08-31 13:07:30 +02:00
usb
More USB patches for 4.8-rc1
2016-08-05 23:07:43 -04:00
uwb
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vfio
vfio/pci: Fix NULL pointer oops in error interrupt setup handling
2016-08-08 16:16:23 -06:00
vhost
miscdevice: Add helper macro for misc device boilerplate
2016-08-31 14:12:35 +02:00
video
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
virt
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virtio
virtio: fix error handling for debug builds
2016-08-09 13:42:35 +03:00
vlynq
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vme
vme: Adding Fake VME driver
2016-08-31 13:21:12 +02:00
w1
w1: fix timeout_us parameter description
2016-08-31 13:56:05 +02:00
watchdog
watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe()
2016-07-27 10:47:43 +02:00
xen
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
zorro
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Kconfig
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Makefile
virtio/vhost: new features for 4.8
2016-08-06 09:20:13 -04:00