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When we need to lock all buckets in the connection hashtable we'd attempt to
lock 1024 spinlocks, which is way more preemption levels than supported by
the kernel. Furthermore, this behavior was hidden by checking if lockdep is
enabled, and if it was - use only 8 buckets(!).
Fix this by using a global lock and synchronize all buckets on it when we
need to lock them all. This is pretty heavyweight, but is only done when we
need to resize the hashtable, and that doesn't happen often enough (or at all).
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull oower management and ACPI updates from Rafael Wysocki:
"As far as the number of commits goes, ACPICA takes the lead this time,
followed by cpufreq and the device properties framework changes.
The most significant new feature is the debugfs-based interface to the
ACPICA's AML debugger added in the previous cycle and a new user space
tool for accessing it.
On the cpufreq front, the core is updated to handle governors more
efficiently, particularly on systems where a single cpufreq policy
object is shared between multiple CPUs, and there are quite a few
changes in drivers (intel_pstate, cpufreq-dt etc).
The device properties framework is updated to handle built-in (ie
included in the kernel itself) device properties better, among other
things by adding a fallback mechanism that will allow drivers to
provide default properties to be used in case the plaform firmware
doesn't provide the properties expected by them.
The Operating Performance Points (OPP) framework gets new DT bindings
and debugfs support.
A new cpufreq driver for ST platforms is added and the ACPI driver for
AMD SoCs will now support the APM X-Gene ACPI I2C device.
The rest is mostly fixes and cleanups all over.
Specifics:
- Add a debugfs-based interface for interacting with the ACPICA's AML
debugger introduced in the previous cycle and a new user space tool
for that, fix some bugs related to the AML debugger and clean up
the code in question (Lv Zheng, Dan Carpenter, Colin Ian King,
Markus Elfring).
- Update ACPICA to upstream revision 20151218 including a number of
fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng, Labbe
Corentin, Prarit Bhargava, Colin Ian King, David E Box, Rafael
Wysocki).
In particular, the previously added erroneous support for the _SUB
object is dropped, the concatenate operator will support all ACPI
objects now, the Debug Object handling is improved, the SuperName
handling of parameters being control methods is fixed, the
ObjectType operator handling is updated to follow ACPI 5.0A and the
handling of CondRefOf and RefOf is updated accordingly, module-
level code will be executed after loading each ACPI table now
(instead of being run once after all tables containing AML have
been loaded), the Operation Region handlers management is updated
to fix some reported problems and a the ACPICA code in the kernel
is more in line with the upstream now.
- Update the ACPI backlight driver to provide information on whether
or not it will generate key-presses for brightness change hotkeys
and update some platform drivers (dell-wmi, thinkpad_acpi) to use
that information to avoid sending double key-events to users pace
for these, add new ACPI backlight quirks (Hans de Goede, Aaron Lu,
Adrien Schildknecht).
- Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).
- Fix the handling of the list of device IDs of device objects found
in the ACPI namespace and add a helper for checking if there is a
device object for a given device ID (Lukas Wunner).
- Change the logic in the ACPI namespace scanning code to create
struct acpi_device objects for all ACPI device objects found in the
namespace even if _STA fails for them which helps to avoid device
enumeration problems on Microsoft Surface 3 (Aaron Lu).
- Add support for the APM X-Gene ACPI I2C device to the ACPI driver
for AMD SoCs (Loc Ho).
- Fix the long-standing issue with the DMA controller on Intel SoCs
where ACPI tables have no power management support for the DMA
controller itself, but it can be powered off automatically when the
last (other) device on the SoC is powered off via ACPI and clean up
the ACPI driver for Intel SoCs (acpi-lpss) after previous attempts
to fix that problem (Andy Shevchenko).
- Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
Sinan Kaya).
- Update the device properties framework for better handling of
built-in properties, add support for built-in properties to the
platform bus type, update the MFD subsystem's handling of device
properties and add support for passing default configuration data
as device properties to the intel-lpss MFD drivers, convert the
designware I2C driver to use the unified device properties API and
add a fallback mechanism for using default built-in properties if
the platform firmware fails to provide the properties as expected
by drivers (Andy Shevchenko, Mika Westerberg, Heikki Krogerus,
Andrew Morton).
- Add new Device Tree bindings to the Operating Performance Points
(OPP) framework and update the exynos4412 DT binding accordingly,
introduce debugfs support for the OPP framework (Viresh Kumar,
Bartlomiej Zolnierkiewicz).
- Migrate the mt8173 cpufreq driver to the new OPP bindings (Pi-Cheng
Chen).
- Update the cpufreq core to make the handling of governors more
efficient, especially on systems where policy objects are shared
between multiple CPUs (Viresh Kumar, Rafael Wysocki).
- Fix cpufreq governor handling on configurations with
CONFIG_HZ_PERIODIC set (Chen Yu).
- Clean up the cpufreq core code related to the boost sysfs knob
support and update the ACPI cpufreq driver accordingly (Rafael
Wysocki).
- Add a new cpufreq driver for ST platforms and corresponding Device
Tree bindings (Lee Jones).
- Update the intel_pstate driver to allow the P-state selection
algorithm used by it to depend on the CPU ID of the processor it is
running on, make it use a special P-state selection algorithm (with
an IO wait time compensation tweak) on Atom CPUs based on the
Airmont and Silvermont cores so as to reduce their energy
consumption and improve intel_pstate documentation (Philippe
Longepe, Srinivas Pandruvada).
- Update the cpufreq-dt driver to support registering cooling devices
that use the (P * V^2 * f) dynamic power draw formula where V is
the voltage, f is the frequency and P is a constant coefficient
provided by Device Tree and update the arm_big_little cpufreq
driver to use that support (Punit Agrawal).
- Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia, Jacob
Tanenbaum, Markus Elfring).
- cpuidle core tweaks related to polling and measured_us calculation
(Rik van Riel).
- Removal of modularity from a few cpuidle drivers (clps711x, ux500,
exynos) that cannot be built as modules in practice (Paul
Gortmaker).
- PM core update to prevent devices from being probed during system
suspend/resume which is generally problematic and may lead to
inconsistent behavior (Grygorii Strashko).
- Assorted updates of the PM core and related code (Julia Lawall,
Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki, Ulf
Hansson).
- PNP bus type updates (Christophe Le Roy, Heiner Kallweit).
- PCI PM code cleanups (Jarkko Nikula, Julia Lawall).
- cpupower tool updates (Jacob Tanenbaum, Thomas Renninger)"
* tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (177 commits)
PM / clk: don't leave clocks enabled when driver not bound
i2c: dw: Add APM X-Gene ACPI I2C device support
ACPI / APD: Add APM X-Gene ACPI I2C device support
ACPI / LPSS: change 'does not have' to 'has' in comment
Revert "dmaengine: dw: platform: provide platform data for Intel"
dmaengine: dw: return immediately from IRQ when DMA isn't in use
dmaengine: dw: platform: power on device on shutdown
ACPI / LPSS: override power state for LPSS DMA device
PM / OPP: Use snprintf() instead of sprintf()
Documentation: cpufreq: intel_pstate: enhance documentation
ACPI, PCI, irq: remove redundant check for null string pointer
ACPI / video: driver must be registered before checking for keypresses
cpufreq-dt: fix handling regulator_get_voltage() result
cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
PM / sleep: Add support for read-only sysfs attributes
ACPI: Fix white space in a structure definition
ACPI / SBS: fix inconsistent indenting inside if statement
PNP: respect PNP_DRIVER_RES_DO_NOT_CHANGE when detaching
ACPI / PNP: constify device IDs
ACPI / PCI: Simplify acpi_penalize_isa_irq()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Not much new with tracing for this release. Mostly just clean ups and
minor fixes.
Here's what else is new:
- A new TRACE_EVENT_FN_COND macro, combining both _FN and _COND for
those that want both.
- New selftest to test the instance create and delete
- Better debug output when ftrace fails"
* tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (24 commits)
ftrace: Fix the race between ftrace and insmod
ftrace: Add infrastructure for delayed enabling of module functions
x86: ftrace: Fix the comments for ftrace_modify_code_direct()
tracing: Fix comment to use tracing_on over tracing_enable
metag: ftrace: Fix the comments for ftrace_modify_code
sh: ftrace: Fix the comments for ftrace_modify_code()
ia64: ftrace: Fix the comments for ftrace_modify_code()
ftrace: Clean up ftrace_module_init() code
ftrace: Join functions ftrace_module_init() and ftrace_init_module()
tracing: Introduce TRACE_EVENT_FN_COND macro
tracing: Use seq_buf_used() in seq_buf_to_user() instead of len
bpf: Constify bpf_verifier_ops structure
ftrace: Have ftrace_ops_get_func() handle RCU and PER_CPU flags too
ftrace: Remove use of control list and ops
ftrace: Fix output of enabled_functions for showing tramp
ftrace: Fix a typo in comment
ftrace: Show all tramps registered to a record on ftrace_bug()
ftrace: Add variable ftrace_expected for archs to show expected code
ftrace: Add new type to distinguish what kind of ftrace_bug()
tracing: Update cond flag when enabling or disabling a trigger
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- cgroup v2 interface is now official. It's no longer hidden behind a
devel flag and can be mounted using the new cgroup2 fs type.
Unfortunately, cpu v2 interface hasn't made it yet due to the
discussion around in-process hierarchical resource distribution and
only memory and io controllers can be used on the v2 interface at the
moment.
- The existing documentation which has always been a bit of mess is
relocated under Documentation/cgroup-v1/. Documentation/cgroup-v2.txt
is added as the authoritative documentation for the v2 interface.
- Some features are added through for-4.5-ancestor-test branch to
enable netfilter xt_cgroup match to use cgroup v2 paths. The actual
netfilter changes will be merged through the net tree which pulled in
the said branch.
- Various cleanups
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: rename cgroup documentations
cgroup: fix a typo.
cgroup: Remove resource_counter.txt in Documentation/cgroup-legacy/00-INDEX.
cgroup: demote subsystem init messages to KERN_DEBUG
cgroup: Fix uninitialized variable warning
cgroup: put controller Kconfig options in meaningful order
cgroup: clean up the kernel configuration menu nomenclature
cgroup_pids: fix a typo.
Subject: cgroup: Fix incomplete dd command in blkio documentation
cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends
cpuset: Replace all instances of time_t with time64_t
cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation
cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/
cgroup: replace __DEVEL__sane_behavior with cgroup2 fs type
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Pull networking updates from Davic Miller:
1) Support busy polling generically, for all NAPI drivers. From Eric
Dumazet.
2) Add byte/packet counter support to nft_ct, from Floriani Westphal.
3) Add RSS/XPS support to mvneta driver, from Gregory Clement.
4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
Frederic Sowa.
5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.
6) Add support for VLAN device bridging to mlxsw switch driver, from
Ido Schimmel.
7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.
8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.
9) Reorganize wireless drivers into per-vendor directories just like we
do for ethernet drivers. From Kalle Valo.
10) Provide a way for administrators "destroy" connected sockets via the
SOCK_DESTROY socket netlink diag operation. From Lorenzo Colitti.
11) Add support to add/remove multicast routes via netlink, from Nikolay
Aleksandrov.
12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.
13) Add forwarding and packet duplication facilities to nf_tables, from
Pablo Neira Ayuso.
14) Dead route support in MPLS, from Roopa Prabhu.
15) TSO support for thunderx chips, from Sunil Goutham.
16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.
17) Rationalize, consolidate, and more completely document the checksum
offloading facilities in the networking stack. From Tom Herbert.
18) Support aborting an ongoing scan in mac80211/cfg80211, from
Vidyullatha Kanchanapally.
19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
net: bnxt: always return values from _bnxt_get_max_rings
net: bpf: reject invalid shifts
phonet: properly unshare skbs in phonet_rcv()
dwc_eth_qos: Fix dma address for multi-fragment skbs
phy: remove an unneeded condition
mdio: remove an unneed condition
mdio_bus: NULL dereference on allocation error
net: Fix typo in netdev_intersect_features
net: freescale: mac-fec: Fix build error from phy_device API change
net: freescale: ucc_geth: Fix build error from phy_device API change
bonding: Prevent IPv6 link local address on enslaved devices
IB/mlx5: Add flow steering support
net/mlx5_core: Export flow steering API
net/mlx5_core: Make ipv4/ipv6 location more clear
net/mlx5_core: Enable flow steering support for the IB driver
net/mlx5_core: Initialize namespaces only when supported by device
net/mlx5_core: Set priority attributes
net/mlx5_core: Connect flow tables
net/mlx5_core: Introduce modify flow table command
net/mlx5_core: Managing root flow table
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"Algorithms:
- Add RSA padding algorithm
Drivers:
- Add GCM mode support to atmel
- Add atmel support for SAMA5D2 devices
- Add cipher modes to talitos
- Add rockchip driver for rk3288
- Add qat support for C3XXX and C62X"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits)
crypto: hifn_795x, picoxcell - use ablkcipher_request_cast
crypto: qat - fix SKU definiftion for c3xxx dev
crypto: qat - Fix random config build issue
crypto: ccp - use to_pci_dev and to_platform_device
crypto: qat - Rename dh895xcc mmp firmware
crypto: 842 - remove WARN inside printk
crypto: atmel-aes - add debug facilities to monitor register accesses.
crypto: atmel-aes - add support to GCM mode
crypto: atmel-aes - change the DMA threshold
crypto: atmel-aes - fix the counter overflow in CTR mode
crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686
crypto: atmel-aes - create sections to regroup functions by usage
crypto: atmel-aes - fix typo and indentation
crypto: atmel-aes - use SIZE_IN_WORDS() helper macro
crypto: atmel-aes - improve performances of data transfer
crypto: atmel-aes - fix atmel_aes_remove()
crypto: atmel-aes - remove useless AES_FLAGS_DMA flag
crypto: atmel-aes - reduce latency of DMA completion
crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev
crypto: atmel-aes - rework crypto request completion
...
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Pull configfs updates from Christoph Hellwig:
"I'm assisting Joel as co-maintainer and patch monkey now, and you will
see pull reuquests from me for a while.
Besides the MAINTAINERS update there is just a single change, which
adds support for binary attributes to configfs, which are very similar
to the sysfs binary attributes. Thanks to Pantelis Antoniou!
You will see another actually bigger set of configfs changes in the
SCSI target pull from Nic - those were merged before this new tree
even existed"
* tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs:
configfs: add myself as co-maintainer, updated git tree
configfs: implement binary attributes
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Bob Peterson:
"Here is a list of patches we've accumulated for GFS2 for the current
upstream merge window. Last window's set was short, but I warned that
this one would be bigger, and so it is. We've got 19 patches:
- A patch from Abhi Das to propagate the GFS2_DIF_SYSTEM bit so that
newly added journals don't get flagged, deleted, and recreated by
fsck.gfs2.
- Two patches from Andreas Gruenbacher to improve GFS2 performance
where extended attributes are involved.
- A patch from Andy Price to fix a suspicious rcu dereference error.
- Two patches from Ben Marzinski that rework how GFS2's NFS cookies
are managed. This fixes readdir problems with nfs-over-gfs2.
- A patch from Ben Marzinski that fixes a race in unmounting GFS2.
- A set of four patches from me to move the resource group
reservations inside the gfs2 inode to improve performance and fix a
bug whereby get_write_access improperly prevented some operations
like chown.
- A patch from me to spinlock-protect the setting of system statfs
file data. This was causing small discrepancies between df and du.
- A patch from me to reintroduce a timeout while clearing glocks
which was accidentally dropped some time ago.
- A patch from me to wait for iopen glock dequeues in order to
improve deleting of files that were unlinked from a different
cluster node.
- A patch from me to ensure metadata address spaces get truncated
when an inode is evicted.
- A patch from me to fix a bug in which a memory leak could occur in
some error cases when inodes were trying to be created.
- A patch to consistently use iopen glocks to transition from the
unlinked state to the deleted state.
- A patch to fix a glock reference count error when inode creation
fails.
- A patch from Junxiao Bi to fix an flock panic.
- A patch from Markus Elfring that removes an unnecessary if"
* tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: fix flock panic issue
GFS2: Don't do glock put on when inode creation fails
GFS2: Always use iopen glock for gl_deletes
GFS2: Release iopen glock in gfs2_create_inode error cases
GFS2: Truncate address space mapping when deleting an inode
GFS2: Wait for iopen glock dequeues
gfs2: clear journal live bit in gfs2_log_flush
gfs2: change gfs2 readdir cookie
gfs2: keep offset when splitting dir leaf blocks
GFS2: Reintroduce a timeout in function gfs2_gl_hash_clear
GFS2: Update master statfs buffer with sd_statfs_spin locked
GFS2: Reduce size of incore inode
GFS2: Make rgrp reservations part of the gfs2_inode structure
GFS2: Extract quota data from reservations structure (revert 5407e24)
gfs2: Extended attribute readahead optimization
gfs2: Extended attribute readahead
GFS2: Use rht_for_each_entry_rcu in glock_hash_walk
GFS2: Delete an unnecessary check before the function call "iput"
gfs2: Automatically set GFS2_DIF_SYSTEM flag on system files
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"All kinds of stuff. That probably should've been 5 or 6 separate
branches, but by the time I'd realized how large and mixed that bag
had become it had been too close to -final to play with rebasing.
Some fs/namei.c cleanups there, memdup_user_nul() introduction and
switching open-coded instances, burying long-dead code, whack-a-mole
of various kinds, several new helpers for ->llseek(), assorted
cleanups and fixes from various people, etc.
One piece probably deserves special mention - Neil's
lookup_one_len_unlocked(). Similar to lookup_one_len(), but gets
called without ->i_mutex and tries to avoid ever taking it. That, of
course, means that it's not useful for any directory modifications,
but things like getting inode attributes in nfds readdirplus are fine
with that. I really should've asked for moratorium on lookup-related
changes this cycle, but since I hadn't done that early enough... I
*am* asking for that for the coming cycle, though - I'm going to try
and get conversion of i_mutex to rwsem with ->lookup() done under lock
taken shared.
There will be a patch closer to the end of the window, along the lines
of the one Linus had posted last May - mechanical conversion of
->i_mutex accesses to inode_lock()/inode_unlock()/inode_trylock()/
inode_is_locked()/inode_lock_nested(). To quote Linus back then:
-----
| This is an automated patch using
|
| sed 's/mutex_lock(&\(.*\)->i_mutex)/inode_lock(\1)/'
| sed 's/mutex_unlock(&\(.*\)->i_mutex)/inode_unlock(\1)/'
| sed 's/mutex_lock_nested(&\(.*\)->i_mutex,[ ]*I_MUTEX_\([A-Z0-9_]*\))/inode_lock_nested(\1, I_MUTEX_\2)/'
| sed 's/mutex_is_locked(&\(.*\)->i_mutex)/inode_is_locked(\1)/'
| sed 's/mutex_trylock(&\(.*\)->i_mutex)/inode_trylock(\1)/'
|
| with a very few manual fixups
-----
I'm going to send that once the ->i_mutex-affecting stuff in -next
gets mostly merged (or when Linus says he's about to stop taking
merges)"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
nfsd: don't hold i_mutex over userspace upcalls
fs:affs:Replace time_t with time64_t
fs/9p: use fscache mutex rather than spinlock
proc: add a reschedule point in proc_readfd_common()
logfs: constify logfs_block_ops structures
fcntl: allow to set O_DIRECT flag on pipe
fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
fs: xattr: Use kvfree()
[s390] page_to_phys() always returns a multiple of PAGE_SIZE
nbd: use ->compat_ioctl()
fs: use block_device name vsprintf helper
lib/vsprintf: add %*pg format specifier
fs: use gendisk->disk_name where possible
poll: plug an unused argument to do_poll
amdkfd: don't open-code memdup_user()
cdrom: don't open-code memdup_user()
rsxx: don't open-code memdup_user()
mtip32xx: don't open-code memdup_user()
[um] mconsole: don't open-code memdup_user_nul()
[um] hostaudio: don't open-code memdup_user()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull iov_iter infrastructure updates from Al Viro:
"A couple of iov_iter updates"
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: export import_single_range()
iov_iter: constify {csum_and_,}copy_to_iter()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs copy_file_range updates from Al Viro:
"Several series around copy_file_range/CLONE"
* 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
btrfs: use new dedupe data function pointer
vfs: hoist the btrfs deduplication ioctl to the vfs
vfs: wire up compat ioctl for CLONE/CLONE_RANGE
cifs: avoid unused variable and label
nfsd: implement the NFSv4.2 CLONE operation
nfsd: Pass filehandle to nfs4_preprocess_stateid_op()
vfs: pull btrfs clone API to vfs layer
locks: new locks_mandatory_area calling convention
vfs: Add vfs_copy_file_range() support for pagecache copies
btrfs: add .copy_file_range file operation
x86: add sys_copy_file_range to syscall tables
vfs: add copy_file_range syscall and vfs helper
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Pull file locking updates from Jeff Layton:
"File locking related changes for v4.5 (pile #1)
Highlights:
- new Kconfig option to allow disabling mandatory locking (which is
racy anyway)
- new tracepoints for setlk and close codepaths
- fix for a long-standing bug in code that handles races between
setting a POSIX lock and close()"
* tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux:
locks: rename __posix_lock_file to posix_lock_inode
locks: prink more detail when there are leaked locks
locks: pass inode pointer to locks_free_lock_context
locks: sprinkle some tracepoints around the file locking code
locks: don't check for race with close when setting OFD lock
locks: fix unlock when fcntl_setlk races with a close
fs: make locks.c explicitly non-modular
locks: use list_first_entry_or_null()
locks: Don't allow mounts in user namespaces to enable mandatory locking
locks: Allow disabling mandatory locking at compile time
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Pull KVM updates from Paolo Bonzini:
"PPC changes will come next week.
- s390: Support for runtime instrumentation within guests, support of
248 VCPUs.
- ARM: rewrite of the arm64 world switch in C, support for 16-bit VM
identifiers. Performance counter virtualization missed the boat.
- x86: Support for more Hyper-V features (synthetic interrupt
controller), MMU cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (115 commits)
kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
kvm/x86: Hyper-V SynIC timers tracepoints
kvm/x86: Hyper-V SynIC tracepoints
kvm/x86: Update SynIC timers on guest entry only
kvm/x86: Skip SynIC vector check for QEMU side
kvm/x86: Hyper-V fix SynIC timer disabling condition
kvm/x86: Reorg stimer_expiration() to better control timer restart
kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
kvm/x86: Drop stimer_stop() function
kvm/x86: Hyper-V timers fix incorrect logical operation
KVM: move architecture-dependent requests to arch/
KVM: renumber vcpu->request bits
KVM: document which architecture uses each request bit
KVM: Remove unused KVM_REQ_KICK to save a bit in vcpu->requests
kvm: x86: Check kvm_write_guest return value in kvm_write_wall_clock
KVM: s390: implement the RI support of guest
kvm/s390: drop unpaired smp_mb
kvm: x86: fix comment about {mmu,nested_mmu}.gva_to_gpa
KVM: x86: MMU: Use clear_page() instead of init_shadow_page_table()
arm/arm64: KVM: Detect vGIC presence at runtime
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from David Vrabel:
"Xen features and fixes for 4.5-rc0:
- Stolen ticks and PV wallclock support for arm/arm64
- Add grant copy ioctl to gntdev device"
* tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/gntdev: add ioctl for grant copy
x86/xen: don't reset vcpu_info on a cancelled suspend
xen/gntdev: constify mmu_notifier_ops structures
xen/grant-table: constify gnttab_ops structure
xen/time: use READ_ONCE
xen/x86: convert remaining timespec to timespec64 in xen_pvclock_gtod_notify
xen/x86: support XENPF_settime64
xen/arm: set the system time in Xen via the XENPF_settime64 hypercall
xen/arm: introduce xen_read_wallclock
arm: extend pvclock_wall_clock with sec_hi
xen: introduce XENPF_settime64
xen/arm: introduce HYPERVISOR_platform_op on arm and arm64
xen: rename dom0_op to platform_op
xen/arm: account for stolen ticks
arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
missing include asm/paravirt.h in cputime.c
xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c
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Pull component updates from Russell King:
"Updates for the component helper merged last year.
This update removes the old add_components method of detecting and
looking up the components associated with a master device. Last time
I checked during the 4.4-rc cycle, there were no users of the old
interfaces, as has been the case for some time now. Breakage due to
conflicting development is possible, in which case this pull will have
to be reverted - however, these changes have been in linux-next since
Dec 7th without any problems reported.
Removal of that then allows us to change the way we track components
internally, allowing us to release data that has been used for
matching at the appropriate time, thereby allowing any resource leaks
caused by that missing functionality to be resolved"
* 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
component: add support for releasing match data
component: track components via array rather than list
component: move check for unbound master into try_to_bring_up_masters()
component: remove old add_components method
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Pull ARM updates from Russell King:
- UEFI boot and runtime services support for ARM from Ard Biesheuvel
and Roy Franz.
- DT compatibility with old atags booting protocol for Nokia N900
devices from Ivaylo Dimitrov.
- PSCI firmware interface using new arm-smc calling convention from
Jens Wiklander.
- Runtime patching for udiv/sdiv instructions for ARMv7 CPUs that
support these instructions from Nicolas Pitre.
- L2x0 cache updates from Dirk B and Linus Walleij.
- Randconfig fixes from Arnd Bergmann.
- ARMv7M (nommu) updates from Ezequiel Garcia
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (34 commits)
ARM: 8481/2: drivers: psci: replace psci firmware calls
ARM: 8480/2: arm64: add implementation for arm-smccc
ARM: 8479/2: add implementation for arm-smccc
ARM: 8478/2: arm/arm64: add arm-smccc
ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
ARM: 8496/1: OMAP: RX51: save ATAGS data in the early boot stage
ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
ARM: 8482/1: l2x0: make it possible to disable outer sync from DT
ARM: 8488/1: Make IPI_CPU_BACKTRACE a "non-secure" SGI
ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
ARM: 8484/1: Documentation: l2c2x0: Mention separate controllers explicitly
ARM: 8483/1: Documentation: l2c: Rename l2cc to l2c2x0
ARM: 8477/1: runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()
ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check
ARM: 8453/2: proc-v7.S: don't locate temporary stack space in .text section
ARM: add UEFI stub support
ARM: wire up UEFI init and runtime support
ARM: only consider memblocks with NOMAP cleared for linear mapping
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm[64] perf updates from Will Deacon:
"In the past, I have funnelled perf updates through the respective
architecture trees, but now that the arm/arm64 perf driver has been
largely consolidated under drivers/perf/, it makes more sense to send
a separate pull, particularly as I'm listed as maintainer for all the
files involved. I offered the branch to arm-soc, but Arnd suggested
that I just send it to you directly.
So, here is the arm/arm64 perf queue for 4.5. The main features are
described below, but the most useful change is from Drew, which
advertises our architected event mapping in sysfs so that the perf
tool is a lot more user friendly and no longer requires the use of
magic hex constants for profiling common events.
- Support for the CPU PMU in Cortex-A72
- Add sysfs entries to describe the architected events and their
mappings for PMUv{1-3}"
* tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: perf: add support for Cortex-A72
arm64: perf: add format entry to describe event -> config mapping
ARM: perf: add format entry to describe event -> config mapping
arm64: kernel: enforce pmuserenr_el0 initialization and restore
arm64: perf: Correct Cortex-A53/A57 compatible values
arm64: perf: Add event descriptions
arm64: perf: Convert event enums to #defines
arm: perf: Add event descriptions
arm: perf: Convert event enums to #defines
drivers/perf: kill armpmu_register
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Here is the core arm64 queue for 4.5. As you might expect, the
Christmas break resulted in a number of patches not making the final
cut, so 4.6 is likely to be larger than usual. There's still some
useful stuff here, however, and it's detailed below.
The EFI changes have been Reviewed-by Matt and the memblock change got
an "OK" from akpm.
Summary:
- Support for a separate IRQ stack, although we haven't reduced the
size of our thread stack just yet since we don't have enough data
to determine a safe value
- Refactoring of our EFI initialisation and runtime code into
drivers/firmware/efi/ so that it can be reused by arch/arm/.
- Ftrace improvements when unwinding in the function graph tracer
- Document our silicon errata handling process
- Cache flushing optimisation when mapping executable pages
- Support for hugetlb mappings using the contiguous hint in the pte"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (45 commits)
arm64: head.S: use memset to clear BSS
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
arm64: entry: remove pointless SPSR mode check
arm64: mm: move pgd_cache initialisation to pgtable_cache_init
arm64: module: avoid undefined shift behavior in reloc_data()
arm64: module: fix relocation of movz instruction with negative immediate
arm64: traps: address fallout from printk -> pr_* conversion
arm64: ftrace: fix a stack tracer's output under function graph tracer
arm64: pass a task parameter to unwind_frame()
arm64: ftrace: modify a stack frame in a safe way
arm64: remove irq_count and do_softirq_own_stack()
arm64: hugetlb: add support for PTE contiguous bit
arm64: Use PoU cache instr for I/D coherency
arm64: Defer dcache flush in __cpu_copy_user_page
arm64: reduce stack use in irq_handler
arm64: mm: ensure that the zero page is visible to the page table walker
arm64: Documentation: add list of software workarounds for errata
arm64: mm: place __cpu_setup in .text
arm64: cmpxchg: Don't incldue linux/mmdebug.h
arm64: mm: fold alternatives into .init
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"The part of patches for Kernel 4.5. There's nothing really big here:
- driver-specific headers for media devices were moved to separate
directories, in order to make clear what headers belong to the core
kABI and require documentation
- Platform data for media drivers were moved from include/media to
include/linux/platform_data/media
- add a driver for cs3308 8-channel volume control, used on some
high-end capture boards
- lirc.h kAPI header were added at include/uapi/linux
- Driver cleanups, new board additions and improvements"
* tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
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Conflicts:
drivers/net/bonding/bond_main.c
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
The bond_main.c and mellanox switch conflicts were cases of
overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED subsystem updates from Jacek Anaszewski:
"Besides regular driver updates, we introduce a portion of LED core
improvements, that allow to avoid the need for using work queues in
the LED class drivers, that set brightness in a blocking way.
Affected LED class drivers are being optimized accordingly.
- LED core improvements:
- use EXPORT_SYMBOL_GPL consistently,
- add two new LED_BLINK_ flags,
- rename brightness_set_sync op to brightness_set_blocking,
- add led_set_brightness_nosleep{nopm} functions,
- use set_brightness_work for the blocking op,
- drivers shouldn't enforce SYNC/ASYNC brightness setting,
- turn off the LED and wait for completion on unregistering LED
class device,
- add managed version of led_trigger_register,
- add description of brightness setting API to the LED class doc.
- Remove work queues from drivers: leds-tlc591xx, leds-88pm860x, leds-adp5520,
leds-bd2802, leds-blinkm, leds-lm3533, leds-lm3642, leds-pca9532,
leds-lp3944, leds-lp55xx, leds-lp8788, leds-lp8860, leds-pca955x,
leds-pca963x, leds-wm831x, leds-da903x, leds-da9052, leds-dac124d085,
leds-lt3593, leds-max8997, leds-mc13783, leds-regulator, leds-wm8350,
leds-max77693, leds-aat1290, leds-ktd2692, leds-gpio, leds-pwm,
leds-lm355x, leds-ns2.
- Replace brightness_set op with a new brightness_set_blocking op to
make the drivers compatible with led triggers: leds-ipaq-micro,
leds-powernv.
- Add missing of_node_put: leds-ktd2692, leds-aat1290, leds-max77693.
- Make the driver explicitly non-modular: ledtrig-cpu,
ledtrig-ide-disk, leds-syscon.
- Improvements to leds-bcm6328:
- reuse bcm6328_led_set() instead of copying its functionality,
- swap LED ON and OFF definitions,
- improve blink support,
- simplify duplicated unlock in bcm6328_blink_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- code cleaning.
- Improvements to leds-bcm6358:
- use bcm6358_led_set() in order to get rid of the lock,
- merge bcm6358_led_mode and bcm6358_led_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- remove unneeded busy status check.
- Call led_pwm_set() in leds-pwm to enforce default LED_OFF.
- Fix duration to be msec instead of jiffies: ledtrig-transient.
- Removing NULL check: leds-powernv.
- Use platform_register/unregister_drivers(): leds-sunfire.
- Fix module license specification: ledtrig-oneshot.
- Fix driver description and make license match the header: leds-pwm.
- Remove checking for state < 1 in flash_strobe_store():
led-class-flash.
- Use led_set_brightness_sync for torch brightness:
v4l2-flash-led-class"
* tag 'leds-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (68 commits)
leds: add HAS_IOMEM dependency to LEDS_BCM6328/LEDS_BCM6358
leds: core: add managed version of led_trigger_register
leds: bcm6358: remove unneeded busy status check
leds: bcm6328: improve blink support
leds: bcm6358: merge bcm6358_led_mode and bcm6358_led_set
leds: bcm6328: simplify duplicated unlock in bcm6328_blink_set
leds: bcm6358: add little endian support
leds: bcm6328: add little endian support
leds: bcm6358: remove unneded lock when checking initial LED status
leds: bcm6358: Use bcm6358_led_set() in order to get rid of the lock
leds: bcm6328: remove unneded lock when checking initial LED
leds: bcm6328: code cleaning
leds: syscon: Make the driver explicitly non-modular
leds: ledtrig-ide-disk: Make the driver explicitly non-modular
leds: ledtrig-cpu: Make the driver explicitly non-modular
leds: sunfire: Use platform_register/unregister_drivers()
leds: max77693: Add missing of_node_put
leds: aat1290: Add missing of_node_put
leds: powernv: Implement brightness_set_blocking op
leds: ipaq-micro: Implement brightness_set_blocking op
...
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Pull EDAC updates from Borislav Petkov:
- hide EDAC workqueue from users (Borislav Petkov)
- edac_subsys init/teardown cleanup (Borislav Petkov)
- make mpc85xx-pci-edac a platform device (Scott Wood)
- sb_edac KNL gen2 support (Jim Snow)
- other small cleanups all over the place
* tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, i5100: Use to_delayed_work()
MAINTAINERS: Fix EDAC repo URLs format
EDAC, sb_edac: Set fixed DIMM width on Xeon Knights Landing
EDAC: Rework workqueue handling
EDAC: Make edac_device workqueue setup/teardown functions static
EDAC: Remove edac_get_sysfs_subsys() error handling
EDAC: Unexport and make edac_subsys static
EDAC: Rip out the edac_subsys reference counting
EDAC: Robustify workqueues destruction
EDAC, mc_sysfs: Fix freeing bus' name
EDAC, mpc85xx: Make mpc85xx-pci-edac a platform device
EDAC, sb_edac: Add Knights Landing (Xeon Phi gen 2) support
EDAC, sb_edac: Add support for duplicate device IDs
EDAC, sb_edac: Virtualize several hard-coded functions
EDAC, mv64x60: Use platform_register/unregister_drivers()
EDAC, mpc85xx: Use platform_register/unregister_drivers()
EDAC: Add DDR4 flag
EDAC: Remove references to bluesmoke.sourceforge.net
EDAC, pci: Remove old disabled code
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Obviously need to 'or in NETIF_F_IP_CSUM and NETIF_F_IPV6_CSUM.
Fixes: c8cd0989bd151f ("net: Eliminate NETIF_F_GEN_CSUM and NETIF_F_V[46]_CSUM")
Reported-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"There's no real overall theme to the regmap changes for this release,
it's a collection of individual features. The main bits are:
- Support for 64 bit registers, mainly for MMIO use, from Xiubo Li.
- Support for trigger type configuration for regmap-irq from Laxman
Dewangan.
- Use native physical I/O for MMIO register maps to avoid confusion
with the conversions that readl() and writel() do to little endian
on big endian systems (with some DT updates to fix some workarounds
people were doing), code from Simon Arlott.
- Use a binary search rather than iteraton to improve the runtime
performance of the rbtree code from Nikesh Oswal"
* tag 'regmap-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: debugfs: Use seq_file for the access map
regmap: irq: add support for configuration of trigger type
regmap: use IS_ALIGNED instead of % to improve the performance
regmap: cache: Move the num_reg_defaults check as early as possible
regmap: cache: Add warning info for the cache check
regmap: missing case statement
regmap: shift wrapping bugs in 64 bit code
regmap: cache: Add 64-bit mode support
regmap: cache: To suppress the noise of checkpatch
regmap: fix the warning about unused variable
regmap: add 64-bit mode support
regmap: mmio: Add regmap_mmio_get_min_stride
regmap: mmio: remove the useless code
regmap: Fix leftover from struct reg_default to struct reg_sequence change
regmap: replace kmalloc with kmalloc_array
regmap: replace kzalloc with kcalloc
regmap: rbtree: When adding a reg do a bsearch for target node
regmap-mmio: Use native endianness for read/write
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control patches for the v4.5 series.
Notably I have a patch to driver core from Stephen Boyd in the pull
request, this has been ACKed by Greg so it should be OK. The internal
API needed some tweaking to allow modular Qualcomm pin controllers.
There is a bit of development history in here but it should all add up
nicely and has boiled in linux-next. For example I merged in v4.4-rc5
to get rid of some nasty merge conflicts.
Summary:
- New drivers:
- PXA2xx pin controller support
- Broadcom NSP pin controller support
- New subdrivers:
- Samsung EXYNOS5410 support
- Qualcomm MSM8996 support
- Qualcomm PM8994 support
- Qualcomm PM8994 MPP support
- Allwinner sunxi H3 support
- Allwinner sunxi A80 support
- Rockchip RK3228 support
- Rename the Cygnus pinctrl driver to "iproc" as it is more generic
than was originally thought.
- A bunch of Lantiq/Xway updates especially from the OpenWRT people.
- Several refactorings for the Super-H SH PFC pin controllers.
Adding SCIF_CLK support.
- Several fixes to the Atlas 7 driver.
- Various fixes all over the place"
* tag 'pinctrl-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (91 commits)
pinctrl: mediatek: Modify pinctrl bindings for mt2701
Revert "pinctrl: qcom: make PMIC drivers bool"
pinctrl: qcom: Use platform_irq_count() instead of of_irq_count()
driver-core: platform: Add platform_irq_count()
pinctrl: lantiq: 2 pins have the wrong mux list
pinctrl: qcom: make PMIC drivers bool
pinctrl: nsp-gpio: forever loop in nsp_gpio_get_strength()
pinctrl: mediatek: convert to arch_initcall
pinctrl: bcm2835: Fix memory leak in error path
pinctrl: mediatek: add missing of_node_put
pinctrl: rockchip: add missing of_node_put
pinctrl: sh-pfc: add missing of_node_put
pinctrl: sirf: add missing of_node_put
pinctrl-tegra: add missing of_node_put
pinctrl: sunxi: Add A80 special pin controller
pinctrl: bcm/cygnys/iproc: fixup rebase issue
pinctrl: fixup problematic flag
MAINTAINERS: Add co-maintainer for Renesas Pin Controllers
pinctrl: sh-pfc: r8a7791: add EtherAVB pin groups
pinctrl: sh-pfc: r8a7795: Add SATA support
...
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Optimize boot time by detecting cards simultaneously
- Make runtime resume default behavior for MMC/SD
- Enable MMC/SD/SDIO devices to suspend/resume asynchronously
- Allow more than 8 partitions per card
- Introduce MMC_CAP2_NO_SDIO to prevent unsupported SDIO commands
- Support the standard DT wakeup-source property
- Fix driver strength switching for HS200 and HS400
- Fix switch command timeout
- Fix invalid vdd in voltage switch power cycle for SDIO
MMC host:
- sdhci: Restore behavior when setting VDD via external regulator
- sdhci: A couple of changes/fixes related to the dma support
- sdhci-tegra: Add Tegra210 support
- sdhci-tegra: Support for UHS-I cards including tuning support
- sdhci-of-at91: Add PM support
- sh_mmcif: Rework dma channel handling
- mvsdio: Delete platform data code path"
* tag 'mmc-v4.5' of git://git.linaro.org/people/ulf.hansson/mmc: (52 commits)
mmc: dw_mmc: remove the unused quirks
mmc: sdhci-pci: use to_pci_dev()
mmc: cb710: use to_platform_device()
mmc: tegra: use correct accessor for misc ctrl register
mmc: tegra: enable UHS-I modes
mmc: tegra: implement UHS tuning
mmc: tegra: disable SPI_MODE_CLKEN
mmc: tegra: implement module external clock change
mmc: sdhci: restore behavior when setting VDD via external regulator
mmc: It is not an error for the card to be removed while suspended
mmc: block: Allow more than 8 partitions per card
mmc: core: Optimize boot time by detecting cards simultaneously
mmc: dw_mmc: use resource_size_t to store physical address
mmc: core: fix __mmc_switch timeout caused by preempt
mmc: usdhi6rol0: handle NULL data in timeout
mmc: of_mmc_spi: Add IRQF_ONESHOT to interrupt flags
mmc: mediatek: change some dev_err to dev_dbg
mmc: enable MMC/SD/SDIO device to suspend/resume asynchronously
mmc: sdhci: Fix sdhci_runtime_pm_bus_on/off()
mmc: sdhci: 64-bit DMA actually has 4-byte alignment
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
"Mostly low level driver specific changes.
Two changes are somewhat noteworthy. First, Dan's patchset to support
per-port msix interrupt handling for ahci, which was tried last cycle
but had to be backed out due to a couple issues, is back and seems to
be working fine. Second, libata exception handling now uses
usleep_range() instead of msleep() for sleeps < 20ms which can make
things snappier in some corner cases"
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: skip debounce delay on link resume
ata: ahci_brcmstb: disable DIPM support
ata: ahci_brcmstb: enable support for ALPM
drivers: libata-core: Use usleep_range() instead of msleep() for short sleeps (<20 ms)
sata_sx4: correctly handling failed allocation
ata: ahci_brcmstb: add support for MIPS-based platforms
ahci: qoriq: Adjust the default register values on ls1021a
ahci: qoriq: Update the default Rx watermark value
ahci: qoriq: Adjust the default register values on ls1043a
ahci: compile out msi/msix infrastructure
ata: core: fix irq description on AHCI single irq systems
ata: ahci_brcmstb: remove unused definitions
ata: ahci_brcmstb: add a quirk for MIPS-based platforms
ata: ahci_brcmstb: disable NCQ for MIPS-based platforms
ata: sata_rcar: Remove obsolete platform_device_id entries
sata_rcar: Add compatible string for r8a7795
ahci: kill 'intr_status'
ahci: switch from 'threaded' to 'hardirq' interrupt handling
ahci: per-port msix support
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu updates from Tejun Heo:
"Two trivial percpu patches for v4.5-rc1"
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: remove PERCPU_ENOUGH_ROOM which is stale definition
percpu: Remove unneeded return from void function
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Pull workqueue update from Tejun Heo:
"Workqueue changes for v4.5. One cleanup patch and three to improve
the debuggability.
Workqueue now has a stall detector which dumps workqueue state if any
worker pool hasn't made forward progress over a certain amount of time
(30s by default) and also triggers a warning if a workqueue which can
be used in memory reclaim path tries to wait on something which can't
be.
These should make workqueue hangs a lot easier to debug."
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: simplify the apply_workqueue_attrs_locked()
workqueue: implement lockup detector
watchdog: introduce touch_softlockup_watchdog_sched()
workqueue: warn if memory reclaim tries to flush !WQ_MEM_RECLAIM workqueue
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq department provides:
- Support for MSI to wire bridges and a first user of it
- More ACPI support for ARM/GIC
- A new TS-4800 interrupt controller driver
- RCU based free of interrupt descriptors to support the upcoming
Intel VMD technology without introducing a locking nightmare
- The usual pile of fixes and updates to drivers and core code"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
irqchip/omap-intc: Add support for spurious irq handling
irqchip/zevio: Use irq_data_get_chip_type() helper
irqchip/omap-intc: Remove duplicate setup for IRQ chip type handler
irqchip/ts4800: Add TS-4800 interrupt controller
irqchip/ts4800: Add documentation for TS-4800 interrupt controller
irq/platform-MSI: Increase the maximum MSIs the MSI framework can support
irqchip/gicv2m: Miscellaneous fixes for v2m resources and SPI ranges
irqchip/bcm2836: Make code more readable
irqchip/bcm2836: Tolerate IRQs while no flag is set in ISR
irqchip/bcm2836: Add SMP support for the 2836
irqchip/bcm2836: Fix initialization of the LOCAL_IRQ_CNT timers
irqchip/gic-v2m: acpi: Introducing GICv2m ACPI support
irqchip/gic-v2m: Refactor to prepare for ACPI support
irqdomain: Introduce is_fwnode_irqchip helper
acpi: pci: Setup MSI domain for ACPI based pci devices
genirq/msi: Export functions to allow MSI domains in modules
irqchip/mbigen: Implement the mbigen irq chip operation functions
irqchip/mbigen: Create irq domain for each mbigen device
irqchip/mgigen: Add platform device driver for mbigen device
dt-bindings: Documents the mbigen bindings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates - and a leftover fix - from Thomas Gleixner:
"A rather large (commit wise) update from the timer side:
- A bulk update to make compile tests work in the clocksource drivers
- An overhaul of the h8300 timers
- Some more Y2038 work
- A few overflow prevention checks in the timekeeping/ntp code
- The usual pile of fixes and improvements to the various
clocksource/clockevent drivers and core code"
Also:
"A single fix for the posix-clock poll code which did not make it into
4.4"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (84 commits)
clocksource/drivers/acpi_pm: Convert to pr_* macros
clocksource: Make clocksource validation work for all clocksources
timekeeping: Cap adjustments so they don't exceed the maxadj value
ntp: Fix second_overflow's input parameter type to be 64bits
ntp: Change time_reftime to time64_t and utilize 64bit __ktime_get_real_seconds
timekeeping: Provide internal function __ktime_get_real_seconds
clocksource/drivers/h8300: Use ioread / iowrite
clocksource/drivers/h8300: Initializer cleanup.
clocksource/drivers/h8300: Simplify delta handling
clocksource/drivers/h8300: Fix timer not overflow case
clocksource/drivers/h8300: Change to overflow interrupt
clocksource/drivers/lpc32: Correct pr_err() output format
clocksource/drivers/arm_global_timer: Fix suspend resume
clocksource/drivers/pistachio: Fix wrong calculated clocksource read value
clockevents/drivers/arm_global_timer: Use writel_relaxed in gt_compare_set
clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel
clocksource/drivers/dw_apb_timer: Use {readl|writel}_relaxed in critical path
clocksource/drivers/dw_apb_timer: Fix apbt_readl return types
clocksource/drivers/tango-xtal: Replace code by clocksource_mmio_init
clocksource/drivers/h8300: Increase the compilation test coverage
...
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-clock: Fix return code on the poll method's error path
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
"The main changes in this cycle were:
- make the debugfs 'kernel_page_tables' file read-only, as it only
has read ops. (Borislav Petkov)
- micro-optimize clflush_cache_range() (Chris Wilson)
- swiotlb enhancements, which fixes certain KVM emulated devices
(Igor Mammedov)
- fix an LDT related debug message (Jan Beulich)
- modularize CONFIG_X86_PTDUMP (Kees Cook)
- tone down an overly alarming warning (Laura Abbott)
- Mark variable __initdata (Rasmus Villemoes)
- PAT additions (Toshi Kani)"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Micro-optimise clflush_cache_range()
x86/mm/pat: Change free_memtype() to support shrinking case
x86/mm/pat: Add untrack_pfn_moved for mremap
x86/mm: Drop WARN from multi-BAR check
x86/LDT: Print the real LDT base address
x86/mm/64: Enable SWIOTLB if system has SRAT memory regions above MAX_DMA32_PFN
x86/mm: Introduce max_possible_pfn
x86/mm/ptdump: Make (debugfs)/kernel_page_tables read-only
x86/mm/mtrr: Mark the 'range_new' static variable in mtrr_calc_range_state() as __initdata
x86/mm: Turn CONFIG_X86_PTDUMP into a module
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* powercap:
powercap: constify powercap_zone_ops and powercap_zone_constraint_ops structures
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* pm-cpufreq: (30 commits)
Documentation: cpufreq: intel_pstate: enhance documentation
cpufreq-dt: fix handling regulator_get_voltage() result
cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
cpufreq: mt8173: migrate to use operating-points-v2 bindings
cpufreq: Simplify core code related to boost support
cpufreq: acpi-cpufreq: Simplify boost-related code
cpufreq: Make cpufreq_boost_supported() static
blackfin-cpufreq: Mark cpu_set_cclk() as static
blackfin-cpufreq: Change return type of cpu_set_cclk() to that of clk_set_rate()
dt: cpufreq: st: Provide bindings for ST's CPUFreq implementation
cpufreq: st: Provide runtime initialised driver for ST's platforms
cpufreq: mt8173: Move resources allocation into ->probe()
cpufreq: intel_pstate: Account for IO wait time
cpufreq: intel_pstate: Account for non C0 time
cpufreq: intel_pstate: Configurable algorithm to get target pstate
cpufreq: mt8173: check return value of regulator_get_voltage() call
cpufreq: mt8173: remove redundant regulator_get_voltage() call
cpufreq: mt8173: add CPUFREQ_HAVE_GOVERNOR_PER_POLICY flag
cpufreq: qoriq: Register cooling device based on device tree
cpufreq: pcc-cpufreq: update default value of cpuinfo_transition_latency
...
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* pm-opp:
PM / OPP: Use snprintf() instead of sprintf()
PM / OPP: Set cpu_dev->id in cpumask first
PM / OPP: Fix parsing of opp-microvolt and opp-microamp properties
PM / OPP: Parse 'opp-<prop>-<name>' bindings
PM / OPP: Parse 'opp-supported-hw' binding
PM / OPP: Add missing doc comments
ARM: dts: exynos4412: Rename OPP nodes as opp@<opp-hz>
PM / OPP: Rename OPP nodes as opp@<opp-hz>
PM / OPP: Remove 'operating-points-names' binding
PM / OPP: Add {opp-microvolt|opp-microamp}-<name> binding
PM / OPP: Add "opp-supported-hw" binding
PM / OPP: Add debugfs support
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* pm-pci:
PCI / PM: Fix small typo in documentation
PCI / PM: constify pci_platform_pm_ops structure
* pm-core:
PM / core: fix typo in documentation
PM / runtime: Add new helper for conditional usage count incrementation
MAINTAINERS: Add an entry for the PM core
PM / runtime: Re-init runtime PM states at probe error and driver unbind
PM / sleep: prohibit devices probing during suspend/hibernation
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* acpi-pci:
ACPI, PCI, irq: remove redundant check for null string pointer
ACPI / PCI: Simplify acpi_penalize_isa_irq()
ACPI, PCI, irq: remove interrupt number restriction
ACPI, PCI, irq: remove interrupt count restriction
* acpi-irq:
ACPI / spi: attach GPIO IRQ from ACPI description to SPI device
ACPI / gpio: Add irq_type when a GPIO is used as an interrupt
ACPI: Rename acpi_gsi_get_irq_type to acpi_dev_get_irq_type and export symbol
* acpi-assorted:
ACPI / SBS: fix inconsistent indenting inside if statement
ACPI: Fix build errors due objects compiled unconditionally
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* acpi-scan:
ACPI: Fix white space in a structure definition
ACPI / utils: Add acpi_dev_present()
ACPI / scan: Fix acpi_bus_id_list bookkeeping
ACPI / scan: set status to 0 if _STA failed
* acpi-bus:
ACPI / bus: Show _OSC UUID when _OSC fails
ACPI / bus: Tidy up _OSC error spacing
* acpi-osl:
ACPI / OSL: Add kerneldoc comments to memory mapping functions
* acpi-pm:
ACPI / PM: Support D3 COLD device in old BIOS for ZPODD
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* acpi-video:
ACPI / video: driver must be registered before checking for keypresses
ACPI / video: Add a quirk to force acpi-video backlight on SAMSUNG 530U4E/540U4E
ACPI / video: Add quirks for the Dell Vostro V131
ACPI / video: Add a module option to disable the reporting of keypresses
thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()
dell-wmi: Use acpi_video_handles_brightness_key_presses()
ACPI / video: Add a acpi_video_handles_brightness_key_presses() helper
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* acpica: (43 commits)
ACPICA: Drop Linux-specific waking vector functions
ACPICA: Update version to 20151218
ACPICA: Add per-table execution of module-level code
ACPICA: Add "root node" case to the ACPI name repair code
ACPICA: Events: Introduce ACPI_REG_DISCONNECT invocation to acpi_ev_execute_reg_methods()
ACPICA: Events: Enhance acpi_ev_execute_reg_method() to ensure no _REG evaluations can happen during OS early boot stages
ACPICA: Events: Split acpi_ev_associate_reg_method() from region initialization code
ACPICA: Events: Fix an issue that region object is re-attached to another scope when it is already attached
ACPICA: Utilities: Reorder initialization code
ACPICA: Events: Uses common_notify for address space handlers
ACPICA: Events: Deploys acpi_ev_find_region_handler()
ACPICA: Cleanup code related to the per-table module level improvement
ACPICA: Update for CondRefOf and RefOf operators
ACPICA: Update internal #defines for ObjectType operator. No functional change
ACPICA: Update parameter type for ObjectType operator
ACPICA: Parser: Fix for SuperName method invocation
ACPICA: Parser: Add constants for internal namepath function
ACPICA: iasl/Disassembler: Support ASL ElseIf operator
ACPICA: Add new exception code, AE_IO_ERROR
ACPICA: Tools: Add spacing and missing options in acpibin tool
...
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* acpi-debug:
ACPI / debugger: Fix a redundant mutex unlock issue in acpi_aml_open()
ACPI / debugger: copy_to_user doesn't return errors
ACPI / debugger: remove some unneeded conditions
ACPI / debugger: Fix an issue a flag is modified without locking
ACPI / debugger: Add module support for ACPI debugger
tools/power/acpi: Add userspace AML interface support
ACPI / debugger: Add IO interface to access debugger functionalities
ACPICA: Debugger: Fix runtime stub issues of ACPI_DEBUGGER_EXEC using different stub mechanism
ACPICA: Debugger: Convert some mechanisms to OSPM specific
ACPICA: Debugger: Remove unnecessary status check
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* acpi-soc:
PM / clk: don't leave clocks enabled when driver not bound
i2c: dw: Add APM X-Gene ACPI I2C device support
ACPI / APD: Add APM X-Gene ACPI I2C device support
ACPI / LPSS: change 'does not have' to 'has' in comment
Revert "dmaengine: dw: platform: provide platform data for Intel"
dmaengine: dw: return immediately from IRQ when DMA isn't in use
dmaengine: dw: platform: power on device on shutdown
ACPI / LPSS: override power state for LPSS DMA device
ACPI / LPSS: power on when probe() and otherwise when remove()
ACPI / LPSS: do delay for all LPSS devices when D3->D0
ACPI / LPSS: allow to use specific PM domain during ->probe()
Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()"
device core: add BUS_NOTIFY_DRIVER_NOT_BOUND notification
x86/platform/iosf_mbi: Remove duplicate definitions
Conflicts:
drivers/i2c/busses/i2c-designware-platdrv.c
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* device-properties:
device property: avoid allocations of 0 length
device property: the secondary fwnode needs to depend on the primary
device property: add spaces to PROPERTY_ENTRY_STRING macro
include/linux/property.h: fix build issues with gcc-4.4.4
i2c: designware: Convert to use unified device property API
mfd: intel-lpss: Pass HSUART configuration via properties
mfd: intel-lpss: Pass SDA hold time to I2C host controller driver
mfd: intel-lpss: Add support for passing device properties
mfd: core: propagate device properties to sub devices drivers
driver core: Do not overwrite secondary fwnode with NULL if it is set
driver core: platform: Add support for built-in device properties
device property: Take a copy of the property set
device property: Fallback to secondary fwnode if primary misses the property
device property: return -EINVAL when property isn't found in ACPI
device property: improve readability of macros
device property: helper macros for property entry creation
device property: keep single value inplace
device property: refactor built-in properties support
device property: rename helper functions
device property: always check for fwnode type
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"The main changes in this cycle were:
- vDSO and asm entry improvements (Andy Lutomirski)
- Xen paravirt entry enhancements (Boris Ostrovsky)
- asm entry labels enhancement (Borislav Petkov)
- and other misc changes (Thomas Gleixner, me)"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n
Revert "x86/kvm: On KVM re-enable (e.g. after suspend), update clocks"
x86/entry/64_compat: Make labels local
x86/platform/uv: Include clocksource.h for clocksource_touch_watchdog()
x86/vdso: Enable vdso pvclock access on all vdso variants
x86/vdso: Remove pvclock fixmap machinery
x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap
x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader
x86/kvm: On KVM re-enable (e.g. after suspend), update clocks
x86/entry/64: Bypass enter_from_user_mode on non-context-tracking boots
x86/asm: Add asm macros for static keys/jump labels
x86/asm: Error out if asm/jump_label.h is included inappropriately
context_tracking: Switch to new static_branch API
x86/entry, x86/paravirt: Remove the unused usergs_sysret32 PV op
x86/paravirt: Remove the unused irq_enable_sysexit pv op
x86/xen: Avoid fast syscall path for Xen PV guests
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Ingo Molnar:
"The main changes in this cycle were:
- introduce optimized single IPI sending methods on modern APICs
(Linus Torvalds, Thomas Gleixner)
- kexec/crash APIC handling fixes and enhancements (Hidehiro Kawai)
- extend lapic vector saving/restoring to the CMCI (MCE) vector as
well (Juergen Gross)
- various fixes and enhancements (Jake Oshins, Len Brown)"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/irq: Export functions to allow MSI domains in modules
Documentation: Document kernel.panic_on_io_nmi sysctl
x86/nmi: Save regs in crash dump on external NMI
x86/apic: Introduce apic_extnmi command line parameter
kexec: Fix race between panic() and crash_kexec()
panic, x86: Allow CPUs to save registers even if looping in NMI context
panic, x86: Fix re-entrance problem due to panic on NMI
x86/apic: Fix the saving and restoring of lapic vectors during suspend/resume
x86/smpboot: Re-enable init_udelay=0 by default on modern CPUs
x86/smp: Remove single IPI wrapper
x86/apic: Use default send single IPI wrapper
x86/apic: Provide default send single IPI wrapper
x86/apic: Implement single IPI for apic_noop
x86/apic: Wire up single IPI for apic_numachip
x86/apic: Wire up single IPI for x2apic_uv
x86/apic: Implement single IPI for x2apic_phys
x86/apic: Wire up single IPI for bigsmp_apic
x86/apic: Remove pointless indirections from bigsmp_apic
x86/apic: Wire up single IPI for apic_physflat
x86/apic: Remove pointless indirections from apic_physflat
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"The main changes in this cycle were:
- tickless load average calculation enhancements (Byungchul Park)
- vtime handling enhancements (Frederic Weisbecker)
- scalability improvement via properly aligning a key structure field
(Jiri Olsa)
- various stop_machine() fixes (Oleg Nesterov)
- sched/numa enhancement (Rik van Riel)
- various fixes and improvements (Andi Kleen, Dietmar Eggemann,
Geliang Tang, Hiroshi Shimamoto, Joonwoo Park, Peter Zijlstra,
Waiman Long, Wanpeng Li, Yuyang Du)"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
sched/fair: Fix new task's load avg removed from source CPU in wake_up_new_task()
sched/core: Move sched_entity::avg into separate cache line
x86/fpu: Properly align size in CHECK_MEMBER_AT_END_OF() macro
sched/deadline: Fix the earliest_dl.next logic
sched/fair: Disable the task group load_avg update for the root_task_group
sched/fair: Move the cache-hot 'load_avg' variable into its own cacheline
sched/fair: Avoid redundant idle_cpu() call in update_sg_lb_stats()
sched/core: Move the sched_to_prio[] arrays out of line
sched/cputime: Convert vtime_seqlock to seqcount
sched/cputime: Introduce vtime accounting check for readers
sched/cputime: Rename vtime_accounting_enabled() to vtime_accounting_cpu_enabled()
sched/cputime: Correctly handle task guest time on housekeepers
sched/cputime: Clarify vtime symbols and document them
sched/cputime: Remove extra cost in task_cputime()
sched/fair: Make it possible to account fair load avg consistently
sched/fair: Modify the comment about lock assumptions in migrate_task_rq_fair()
stop_machine: Clean up the usage of the preemption counter in cpu_stopper_thread()
stop_machine: Shift the 'done != NULL' check from cpu_stop_signal_done() to callers
stop_machine: Kill cpu_stop_done->executed
stop_machine: Change __stop_cpus() to rely on cpu_stop_queue_work()
...
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Adding flow steering support by creating a flow-table per
priority (if rules exist in the priority). mlx5_ib uses
autogrouping and thus only creates the required destinations.
Also includes adding of these flow steering utilities
1. Parsing verbs flow attributes hardware steering specs.
2. Check if flow is multicast - this is required in order to decide
to which flow table will we add the steering rule.
3. Set outer headers in flow match criteria to zeros.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the mlx5 firmware interface header to make it
more clear which bytes should be used by IPv4 or
IPv6 addresses.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the driver is loaded, we create flow steering namespace
for kernel bypass with nine priorities and another namespace
for leftovers(in order to catch packets that weren't matched).
Verbs applications will use these priorities.
we found nine as a number that balances the requirements from the
user and retains performance.
The bypass namespace is used by verbs applications that want to bypass
the kernel networking stack. The leftovers namespace is used by verbs
applications and the sniffer in order to catch packets that weren't
handled by any preceding rules.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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