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Linus Torvalds 168829ad09 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull locking updates from Ingo Molnar:
 "The main changes in this cycle were:

   - A comprehensive rewrite of the robust/PI futex code's exit handling
     to fix various exit races. (Thomas Gleixner et al)

   - Rework the generic REFCOUNT_FULL implementation using
     atomic_fetch_* operations so that the performance impact of the
     cmpxchg() loops is mitigated for common refcount operations.

     With these performance improvements the generic implementation of
     refcount_t should be good enough for everybody - and this got
     confirmed by performance testing, so remove ARCH_HAS_REFCOUNT and
     REFCOUNT_FULL entirely, leaving the generic implementation enabled
     unconditionally. (Will Deacon)

   - Other misc changes, fixes, cleanups"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
  lkdtm: Remove references to CONFIG_REFCOUNT_FULL
  locking/refcount: Remove unused 'refcount_error_report()' function
  locking/refcount: Consolidate implementations of refcount_t
  locking/refcount: Consolidate REFCOUNT_{MAX,SATURATED} definitions
  locking/refcount: Move saturation warnings out of line
  locking/refcount: Improve performance of generic REFCOUNT_FULL code
  locking/refcount: Move the bulk of the REFCOUNT_FULL implementation into the <linux/refcount.h> header
  locking/refcount: Remove unused refcount_*_checked() variants
  locking/refcount: Ensure integer operands are treated as signed
  locking/refcount: Define constants for saturation and max refcount values
  futex: Prevent exit livelock
  futex: Provide distinct return value when owner is exiting
  futex: Add mutex around futex exit
  futex: Provide state handling for exec() as well
  futex: Sanitize exit state handling
  futex: Mark the begin of futex exit explicitly
  futex: Set task::futex_state to DEAD right after handling futex exit
  futex: Split futex_mm_release() for exit/exec
  exit/exec: Seperate mm_release()
  futex: Replace PF_EXITPIDONE with a state
  ...
 		2019-11-26 16:02:40 -08:00
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accessibility
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acpi Printk changes for 5.5 2019-11-25 19:40:40 -08:00
amba ARM updates for 5.4-rc: 2019-10-23 06:26:33 -04:00
android binder: Don't modify VMA bounds in ->mmap handler 2019-10-17 05:58:44 -07:00
ata m68k updates for v5.5 2019-11-25 17:37:30 -08:00
atm atm: remove unneeded semicolon 2019-10-28 16:47:22 -07:00
auxdisplay It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
base regmap: Update for v5.5 2019-11-25 21:10:05 -08:00
bcma bcma: fix block comment style 2019-10-24 08:45:31 +03:00
block Printk changes for 5.5 2019-11-25 19:40:40 -08:00
bluetooth Bluetooth: btbcm: Use the BDADDR_PROPERTY quirk 2019-11-22 13:35:20 +01:00
bus Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
cdrom Printk changes for 5.5 2019-11-25 19:40:40 -08:00
char Some small fixes accumulated for IPMI, nothing major. 2019-11-25 21:41:48 -08:00
clk Fixes for various clk driver issues that happened because of code we 2019-11-08 08:15:01 -08:00
clocksource Merge branch 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 09:43:34 -08:00
connector
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counter
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cpufreq Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:23:14 -08:00
cpuidle cpuidle: haltpoll: Take 'idle=' override into account 2019-10-22 11:43:17 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
dax
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dca
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devfreq
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dio
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dma dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle 2019-10-23 21:15:21 +05:30
dma-buf dma-buf/resv: fix exclusive fence get 2019-10-10 17:05:20 +02:00
edac EDAC/altera: Use the Altera System Manager driver 2019-11-22 10:18:29 +01:00
eisa
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extcon chrome platform changes for v5.4 2019-09-19 14:14:28 -07:00
firewire net: add annotations on hh->hh_len lockless accesses 2019-11-07 20:07:30 -08:00
firmware Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 14:52:11 -08:00
fpga Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
fsi
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gnss
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gpio regulator: Updates for v5.5 2019-11-25 21:11:55 -08:00
gpu Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 16:02:40 -08:00
greybus
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hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-11-07 11:54:54 -08:00
hsi HSI changes for the 5.4 series 2019-09-22 12:02:21 -07:00
hv x86/hyperv: Initialize clockevents earlier in CPU onlining 2019-11-15 10:33:49 +01:00
hwmon hwmon: (ina3221) Fix read timeout issue 2019-10-28 18:46:55 -07:00
hwspinlock
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hwtracing intel_th: pci: Add Jasper Lake PCH support 2019-11-04 15:01:25 +01:00
i2c i2c: core: fix use after free in of_i2c_notify 2019-11-15 22:01:13 +01:00
i3c i3c: Spelling s/dicovered/discovered/ 2019-10-31 11:24:52 +01:00
ide Printk changes for 5.5 2019-11-25 19:40:40 -08:00
idle
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iio Merge branch 'spi-5.5' into spi-next 2019-11-22 19:56:35 +00:00
infiniband net: use rhashtable_lookup() instead of rhashtable_lookup_fast() 2019-11-23 12:15:01 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-11-22 16:57:26 -08:00
interconnect interconnect: Add locking in icc_set_tag() 2019-10-20 12:14:41 +03:00
iommu iommu/vt-d: Fix panic after kexec -p for kdump 2019-10-30 10:30:22 +01:00
ipack
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irqchip ARM: 2019-11-25 18:02:36 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
leds leds: Use all-in-one vtime aware kcpustat accessor 2019-11-21 07:58:48 +01:00
lightnvm
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macintosh Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:23:14 -08:00
mailbox mailbox: qcom-apcs: fix max_register value 2019-09-17 00:54:29 -05:00
mcb
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md - Fix DM core to disallow stacking request-based DM on partitions. 2019-11-25 11:53:26 -08:00
media media: stkwebcam: fix runtime PM after driver unbind 2019-10-04 14:38:46 +02:00
memory
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memstick memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()' 2019-10-09 11:08:03 +02:00
message
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mfd Merge branch 'regulator-5.5' into regulator-next 2019-11-22 19:56:20 +00:00
misc Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 16:02:40 -08:00
mmc mmc: sdhci-of-at91: fix quirk2 overwrite 2019-11-14 14:57:53 +01:00
mtd Raw NAND core 2019-11-17 18:34:25 +01:00
mux
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net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-22 16:27:24 -08:00
ntb NTB: fix IDT Kconfig typos/spellos 2019-09-23 17:20:40 -04:00
nubus nubus: Remove cast to void pointer 2019-10-21 09:08:15 +02:00
nvdimm libnvdimm fixes v5.4-rc1 2019-09-29 10:33:41 -07:00
nvme for-5.5/drivers-post-20191122 2019-11-25 11:18:03 -08:00
nvmem nvmem: core: add nvmem_device_find 2019-10-07 09:47:37 -07:00
of Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
opp opp: Reinitialize the list_kref before adding the static OPPs again 2019-10-23 10:58:44 +05:30
oprofile Printk changes for 5.5 2019-11-25 19:40:40 -08:00
parisc parisc: Remove 32-bit DMA enforcement from sba_iommu 2019-10-14 21:44:26 +02:00
parport Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
pci PCI: PM: Fix pci_power_up() 2019-10-15 23:51:36 +02:00
pcmcia pcmcia: remove unused dprintk definition 2019-11-22 07:03:45 +01:00
perf drivers/perf: hisi: update the sccl_id/ccl_id for certain HiSilicon platform 2019-11-07 13:07:55 +00:00
phy phy: ti: phy-gmii-sel: dependency from ti cpsw-switchdev driver 2019-11-20 11:25:24 -08:00
pinctrl pinctrl: stmfx: fix valid_mask init sequence 2019-11-07 10:06:46 +01:00
platform Printk changes for 5.5 2019-11-25 19:40:40 -08:00
pnp
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power power supply and reset changes for the v5.4 series 2019-09-22 12:04:59 -07:00
powercap Power management updates for 5.4-rc1 2019-09-17 19:15:14 -07:00
pps
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ps3
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ptp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
pwm pwm: bcm-iproc: Prevent unloading the driver module while in use 2019-11-08 18:38:06 +01:00
rapidio
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ras
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regulator Merge branch 'regulator-5.5' into regulator-next 2019-11-22 19:56:20 +00:00
remoteproc remoteproc updates for v5.4 2019-09-22 10:55:08 -07:00
reset reset: fix of_reset_control_get_count kerneldoc comment 2019-10-24 10:26:33 +02:00
rpmsg rpmsg: glink-smem: Name the edge based on parent remoteproc 2019-09-17 15:33:31 -07:00
rtc RTC for 5.4 2019-09-22 11:05:43 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
sbus
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scsi Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
sfi
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sh sh/intc: Use pr_warn instead of pr_warning 2019-10-18 15:01:55 +02:00
siox
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slimbus
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soc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
soundwire soundwire: slave: fix scanf format 2019-10-24 16:55:45 +05:30
spi Merge branch 'spi-5.5' into spi-next 2019-11-22 19:56:35 +00:00
spmi
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ssb ssb: make array pwr_info_offset static const, makes object smaller 2019-09-13 17:23:18 +03:00
staging Remove VirtualBox guest shared folders filesystem 2019-11-12 15:22:24 -08:00
target SCSI fixes on 20191101 2019-11-07 06:43:18 -07:00
tc
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tee tee/shm: untag user pointers in tee_shm_register 2019-09-25 17:51:41 -07:00
thermal cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
thunderbolt thunderbolt: Drop unnecessary read when writing LC command in Ice Lake 2019-10-08 12:08:21 +03:00
tty Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 16:02:40 -08:00
uio Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
usb usb: dwc3: gadget: fix race when disabling ep with cancelled xfers 2019-10-31 18:57:54 +01:00
vfio vfio/type1: Initialize resv_msi_base 2019-10-15 14:07:01 -06:00
vhost vhost/vsock: refuse CID assigned to the guest->host transport 2019-11-14 18:12:18 -08:00
video Printk changes for 5.5 2019-11-25 19:40:40 -08:00
virt virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr 2019-10-10 14:50:32 +02:00
virtio virtio_balloon: fix shrinker count 2019-11-20 02:15:57 -05:00
visorbus
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vlynq
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vme
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w1 w1: ds250x: Fix build error without CRC16 2019-10-10 15:35:41 +02:00
watchdog watchdog: bd70528: Add MODULE_ALIAS to allow module auto loading 2019-11-05 16:58:12 +01:00
xen xen: Fix Kconfig indentation 2019-11-24 11:55:31 +01:00
zorro
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Kconfig Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00
Makefile Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00