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Dan Williams 3fc2192410 mm: validate device_hotplug is held for memory hotplug 
mem_hotplug_begin() assumes that it can set mem_hotplug.active_writer
and run the hotplug process without racing another thread.  Validate
this assumption with a lockdep assertion.

Link: http://lkml.kernel.org/r/148693886229.16345.1770484669403334689.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:53 -08:00
..
accessibility
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acpi
Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2017-02-23 11:53:22 -08:00
amba
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android
mm: drop unused argument of zap_page_range()
2017-02-22 16:41:30 -08:00
ata
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
atm
atm: idt77252, use setup_timer and mod_timer
2017-02-15 13:24:53 -05:00
auxdisplay
auxdisplay: ht16k33: remove private workqueue
2017-02-10 15:57:28 +01:00
base
mm: validate device_hotplug is held for memory hotplug
2017-02-24 17:46:53 -08:00
bcma
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-02-02 16:54:00 -05:00
block
zram: remove obsolete sysfs attrs
2017-02-22 16:41:30 -08:00
bluetooth
btmrvl: fix spelling mistake: "actived" -> "activated"
2017-02-19 00:26:37 +01:00
bus
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
cdrom
Merge branch 'for-4.11/next' into for-4.11/linus-merge
2017-02-17 14:08:19 -07:00
char
Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux
2017-02-23 18:58:18 -08:00
clk
Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:46:25 -08:00
clocksource
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-02-20 10:06:32 -08:00
connector
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cpufreq
Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:28:04 -08:00
cpuidle
Merge tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2017-02-22 10:30:38 -08:00
crypto
crypto: cavium - switch to pci_alloc_irq_vectors
2017-02-23 20:11:02 +08:00
dax
mm, dax: change pmd_fault() to take only vmf parameter
2017-02-22 16:41:26 -08:00
dca
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devfreq
Merge branch 'pm-devfreq'
2017-02-20 14:23:40 +01:00
dio
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dma
Merge tag 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2017-02-22 12:17:25 -08:00
dma-buf
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edac
Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-02-20 12:47:44 -08:00
eisa
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extcon
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firewire
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firmware
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
fmc
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fpga
fpga zynq: Use the scatterlist interface
2017-02-10 15:20:44 +01:00
fsi
drivers/fsi: add driver to device matches
2017-02-10 15:19:48 +01:00
gpio
Merge tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2017-02-23 08:46:04 -08:00
gpu
Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux
2017-02-23 18:58:18 -08:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
2017-02-21 17:28:25 -08:00
hsi
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hv
vmbus: replace modulus operation with subtraction
2017-02-14 10:20:35 -08:00
hwmon
hwmon: (sht15) Add device tree support
2017-02-16 06:49:05 -08:00
hwspinlock
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hwtracing
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i2c
Merge tag 'device-properties-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2017-02-20 18:06:09 -08:00
ide
Merge branch 'for-4.11/next' into for-4.11/linus-merge
2017-02-17 14:08:19 -07:00
idle
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iio
Merge tag 'iio-fixes-for-4.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
2017-02-11 16:46:03 +01:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
2017-02-23 11:27:49 -08:00
input
Merge tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2017-02-23 08:46:04 -08:00
iommu
iommu/vt-d: Fix crash on boot when DMAR is disabled
2017-02-22 12:25:31 +01:00
ipack
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irqchip
Merge tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2017-02-20 16:42:43 -08:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-02-22 10:15:09 -08:00
leds
Merge tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2017-02-23 08:46:04 -08:00
lguest
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lightnvm
lightnvm: set default lun range when no luns are specified
2017-02-15 08:27:21 -07:00
macintosh
Merge tag 'driver-core-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2017-02-22 11:44:32 -08:00
mailbox
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mcb
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md
Merge tag 'dm-4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2017-02-21 12:11:41 -08:00
media
Merge tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2017-02-21 16:58:32 -08:00
memory
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
memstick
Merge branch 'for-4.11/next' into for-4.11/linus-merge
2017-02-17 14:08:19 -07:00
message
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2017-02-21 11:51:42 -08:00
mfd
Merge tag 'staging-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2017-02-22 12:14:01 -08:00
misc
Merge tag 'sound-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2017-02-23 08:50:22 -08:00
mmc
Merge tag 'mmc-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2017-02-21 12:04:54 -08:00
mtd
Merge tag 'for-4.11/linus-merge-signed' of git://git.kernel.dk/linux-block
2017-02-21 10:57:33 -08:00
net
Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2017-02-23 11:53:22 -08:00
nfc
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ntb
ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly
2017-02-16 23:11:26 -05:00
nubus
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nvdimm
libnvdimm, pfn: fix memmap reservation size versus 4K alignment
2017-02-04 14:47:31 -08:00
nvme
Merge branch 'for-4.11/next' into for-4.11/linus-merge
2017-02-17 14:08:19 -07:00
nvmem
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of
Merge tag 'devicetree-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2017-02-22 19:23:14 -08:00
oprofile
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parisc
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parport
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pci
Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2017-02-23 11:53:22 -08:00
pcmcia
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perf
perf: add qcom l2 cache perf events driver
2017-02-08 19:32:24 +00:00
phy
Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2017-02-23 11:53:22 -08:00
pinctrl
Merge tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2017-02-21 16:34:22 -08:00
platform
Merge tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2017-02-23 08:18:01 -08:00
pnp
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power
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powercap
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pps
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ps3
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ptp
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2017-02-22 18:22:53 -08:00
pwm
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rapidio
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ras
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regulator
Merge tag 'regulator-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2017-02-20 17:23:57 -08:00
remoteproc
remoteproc: qcom: mdt_loader: Use signed type for offset
2017-02-22 02:07:13 -08:00
reset
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
rpmsg
rpmsg: rpmsg_create_ept() returns NULL on error
2017-02-13 00:52:54 -08:00
rtc
Merge tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2017-02-21 16:34:22 -08:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2017-02-22 10:20:04 -08:00
sbus
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scsi
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-02-22 10:15:09 -08:00
sfi
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sh
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sn
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soc
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2017-02-23 15:57:04 -08:00
spi
Merge tag 'acpi-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2017-02-20 17:55:15 -08:00
spmi
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ssb
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staging
mm: drop unused argument of zap_page_range()
2017-02-22 16:41:30 -08:00
target
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
2017-02-23 08:27:57 -08:00
tc
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thermal
Merge branch 'pm-opp'
2017-02-20 14:22:50 +01:00
thunderbolt
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tty
lib/show_mem.c: teach show_mem to work with the given nodemask
2017-02-22 16:41:30 -08:00
uio
vmbus: add direct isr callback mode
2017-02-14 10:20:35 -08:00
usb
Merge tag 'usb-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2017-02-22 11:15:59 -08:00
uwb
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vfio
Merge tag 'vfio-v4.11-rc1' of git://github.com/awilliam/linux-vfio
2017-02-23 11:26:09 -08:00
vhost
tap: tap as an independent module
2017-02-11 20:59:41 -05:00
video
Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux
2017-02-23 18:58:18 -08:00
virt
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virtio
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-02-07 16:29:30 -05:00
vlynq
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vme
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w1
w1: ds2405: use module_w1_family to simplify the code
2017-02-10 15:32:53 +01:00
watchdog
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xen
xen/privcmd: add IOCTL_PRIVCMD_RESTRICT
2017-02-14 15:14:59 -05:00
zorro
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Kconfig
drivers/fsi: Add empty fsi bus definitions
2017-02-10 15:19:48 +01:00
Makefile
Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2017-02-23 11:53:22 -08:00