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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision (which includes a regression fix and other improvements),
make ACPICA clear the status of all ACPI events when entering sleep
states (to restore the previous behavior) and update the ACPI
operation region driver for the CrystalCove PMIC.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20180810
including:
* Fix for AML parser regression causing it to mishandle opcodes
that open a scope upon parse failures (Erik Schmauss)
* Fix for a reference counting issue on large systems (Erik
Schmauss)
* Fix to discard values coming from register reads that have
failed (Erik Schmauss)
* Two acpiexec fixes (Bob Moore, Erik Schmauss)
* Debugger cleanup (Bob Moore)
* Cleanup of duplicate table error message (Bob Moore)
* Cleanup of hex detection in the utilities (Erik Schmauss)
- Make ACPICA clear the status of all ACPI events when entering sleep
states again to avoid functional regressions (Rafael Wysocki)
- Update the ACPI operation region driver for the CrystalCove PMIC to
cover all of the known operation region fields (Hans de Goede)"
* tag 'acpi-4.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PMIC: CrystalCove: Extend PMOP support to support all possible fields
ACPICA: Clear status of all events when entering sleep states
ACPICA: Update version to 20180810
ACPICA: acpiexec: fix a small memory leak regression
ACPICA: Reference Counts: increase max to 0x4000 for large servers
ACPICA: Reference count: add additional debugging details
ACPICA: acpi_exec: fixing -fi option
ACPICA: Debugger: Cleanup interface to the AML disassembler
ACPICA: AML Parser: skip opcodes that open a scope upon parse failure
ACPICA: Utilities: split hex detection into smaller functions
ACPICA: Update an error message for a duplicate table
ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value
ACPICA: AML Parser: ignore all exceptions resulting from incorrect AML during table load
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This is unneeded since commit a62143850053 ("vmlinux.lds.h: remove
no-op macro VMLINUX_SYMBOL()").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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With the special case handling for Blackfin and Metag was removed by
commit 94e58e0ac312 ("export.h: remove code for prefixing symbols with
underscore"), VMLINUX_SYMBOL() is no-op.
Replace the remaining usages, then remove the definition of
VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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As part of the system call rework for 64-bit time_t, we are restructuring
the way that compat syscalls deal with 32-bit time_t, reusing the
implementation for 32-bit architectures. Christoph Hellwig suggested a
rename of the associated types and interfaces to avoid the confusing usage
of the 'compat' prefix for 32-bit architectures.
To prepare for doing that in linux-4.20, add a set of macros that allows to
convert subsystems separately to the new names and avoids some of the
nastier merge conflicts.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: y2038@lists.linaro.org
Cc: John Stultz <john.stultz@linaro.org>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Link: https://lkml.kernel.org/r/20180821203329.2089473-1-arnd@arndb.de
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 4.19
- Support for Group0 interrupts in guests
- Cache management optimizations for ARMv8.4 systems
- Userspace interface for RAS, allowing error retrival and injection
- Fault path optimization
- Emulated physical timer fixes
- Random cleanups
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Delete ida_pre_get(), ida_get_new(), ida_get_new_above() and ida_remove()
from the public API. Some of these functions still exist as internal
helpers, but they should not be called by consumers.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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Add ida_alloc(), ida_alloc_min(), ida_alloc_max(), ida_alloc_range()
and ida_free(). The ida_alloc_max() and ida_alloc_range() functions
differ from ida_simple_get() in that they take an inclusive 'max'
parameter instead of an exclusive 'end' parameter. Callers are about
evenly split whether they'd like inclusive or exclusive parameters and
'max' is easier to document than 'end'.
Change the IDA allocation to first attempt to allocate a bit using
existing memory, and only allocate memory afterwards. Also change the
behaviour of 'min' > INT_MAX from being a BUG() to returning -ENOSPC.
Leave compatibility wrappers in place for ida_simple_get() and
ida_simple_remove() to avoid changing all callers.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
"This contains two new features:
- Stack file operations: this allows removal of several hacks from
the VFS, proper interaction of read-only open files with copy-up,
possibility to implement fs modifying ioctls properly, and others.
- Metadata only copy-up: when file is on lower layer and only
metadata is modified (except size) then only copy up the metadata
and continue to use the data from the lower file"
* tag 'ovl-update-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (66 commits)
ovl: Enable metadata only feature
ovl: Do not do metacopy only for ioctl modifying file attr
ovl: Do not do metadata only copy-up for truncate operation
ovl: add helper to force data copy-up
ovl: Check redirect on index as well
ovl: Set redirect on upper inode when it is linked
ovl: Set redirect on metacopy files upon rename
ovl: Do not set dentry type ORIGIN for broken hardlinks
ovl: Add an inode flag OVL_CONST_INO
ovl: Treat metacopy dentries as type OVL_PATH_MERGE
ovl: Check redirects for metacopy files
ovl: Move some dir related ovl_lookup_single() code in else block
ovl: Do not expose metacopy only dentry from d_real()
ovl: Open file with data except for the case of fsync
ovl: Add helper ovl_inode_realdata()
ovl: Store lower data inode in ovl_inode
ovl: Fix ovl_getattr() to get number of blocks from lower
ovl: Add helper ovl_dentry_lowerdata() to get lower data dentry
ovl: Copy up meta inode data from lowest data inode
ovl: Modify ovl_lookup() and friends to lookup metacopy dentry
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Improve support for TI bq20z75 in sbs-battery
- Add Qualcomm PM8xxx reboot driver
- Add cros-ec USBPD charger driver
- Move ds2760 battery driver from w1 to power-supply and add DT support
- Misc fixes
* tag 'for-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
power: supply: bq27xxx: Update comments
power: supply: max77693_charger: fix unintentional fall-through
power: supply: mark expected switch fall-throughs
power: supply: lego_ev3_battery: fix Vce offset
power: supply: lego_ev3_battery: Don't ignore iio_read_channel_processed() return value
power: supply: ds2760_battery: add devicetree probing
power: supply: ds2760_battery: merge ds2760 supply driver with its w1 slave companion
w1: core: match sub-nodes of bus masters in devicetree
dt-bindings: w1: document bindings for ds2760 battery monitor
dt-bindings: w1: document generic onewire bindings
power: supply: adp5061: Fix a couple off by ones
dt-bindings: power: reset: qcom: Add resin binding
adp5061: New driver for ADP5061 I2C battery charger
power: generic-adc-battery: check for duplicate properties copied from iio channels
power: generic-adc-battery: fix out-of-bounds write when copying channel properties
power: supply: axp288_charger: Fix initial constant_charge_current value
power: supply: ab8500: stop using getnstimeofday64()
power: gemini-poweroff: Avoid more spurious poweroffs
power: vexpress: fix corruption in notifier registration
power: remove possible deadlock when unregistering power_supply
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- the core has now a lockless variant of i2c_smbus_xfer. Some open
coded versions of this got removed in drivers. This also enables
proper SCCB support in regmap.
- locking got a more precise naming. i2c_{un}lock_adapter() had to go,
and we know use i2c_lock_bus() consistently with flags like
I2C_LOCK_ROOT_ADAPTER and I2C_LOCK_SEGMENT to avoid ambiguity.
- the gpio fault injector got a new delicate testcase
- the bus recovery procedure got fixed to handle the new testcase
correctly
- a new quirk flag for controllers not able to handle zero length
messages together with driver updates to use it
- new drivers: FSI bus attached I2C masters, GENI I2C controller, Owl
family S900
- and a good set of driver improvements and bugfixes
* 'i2c/for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (77 commits)
i2c: rcar: implement STOP and REP_START according to docs
i2c: rcar: refactor private flags
i2c: core: ACPI: Make acpi_gsb_i2c_read_bytes() check i2c_transfer return value
i2c: core: ACPI: Properly set status byte to 0 for multi-byte writes
dt-bindings: i2c: rcar: Add r8a774a1 support
dt-bindings: i2c: sh_mobile: Add r8a774a1 support
i2c: imx: Simplify stopped state tracking
i2c: imx: Fix race condition in dma read
i2c: pasemi: remove hardcoded bus numbers on smbus
i2c: designware: Add SPDX license tag
i2c: designware: Convert to use struct i2c_timings
i2c: core: Parse SDA hold time from firmware
i2c: designware-pcidrv: Mark expected switch fall-through
i2c: amd8111: Mark expected switch fall-through
i2c: sh_mobile: use core to detect 'no zero length read' quirk
i2c: xlr: use core to detect 'no zero length' quirk
i2c: rcar: use core to detect 'no zero length' quirk
i2c: stu300: use core to detect 'no zero length' quirk
i2c: pmcmsp: use core to detect 'no zero length' quirk
i2c: mxs: use core to detect 'no zero length' quirk
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull core signal handling updates from Eric Biederman:
"It was observed that a periodic timer in combination with a
sufficiently expensive fork could prevent fork from every completing.
This contains the changes to remove the need for that restart.
This set of changes is split into several parts:
- The first part makes PIDTYPE_TGID a proper pid type instead
something only for very special cases. The part starts using
PIDTYPE_TGID enough so that in __send_signal where signals are
actually delivered we know if the signal is being sent to a a group
of processes or just a single process.
- With that prep work out of the way the logic in fork is modified so
that fork logically makes signals received while it is running
appear to be received after the fork completes"
* 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (22 commits)
signal: Don't send signals to tasks that don't exist
signal: Don't restart fork when signals come in.
fork: Have new threads join on-going signal group stops
fork: Skip setting TIF_SIGPENDING in ptrace_init_task
signal: Add calculate_sigpending()
fork: Unconditionally exit if a fatal signal is pending
fork: Move and describe why the code examines PIDNS_ADDING
signal: Push pid type down into complete_signal.
signal: Push pid type down into __send_signal
signal: Push pid type down into send_signal
signal: Pass pid type into do_send_sig_info
signal: Pass pid type into send_sigio_to_task & send_sigurg_to_task
signal: Pass pid type into group_send_sig_info
signal: Pass pid and pid type into send_sigqueue
posix-timers: Noralize good_sigevent
signal: Use PIDTYPE_TGID to clearly store where file signals will be sent
pid: Implement PIDTYPE_TGID
pids: Move the pgrp and session pid pointers from task_struct to signal_struct
kvm: Don't open code task_pid in kvm_vcpu_ioctl
pids: Compute task_tgid using signal->leader_pid
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Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 90b73b77d08e, list_head is no longer needed.
Now we just need to convert the list iteration to array
iteration for drivers.
Fixes: 90b73b77d08e ("net: sched: change action API to use array of pointers to actions")
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcf_idr_check() is replaced by tcf_idr_check_alloc(),
and __tcf_idr_check() now can be folded into tcf_idr_search().
Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All ops->delete() wants is getting the tn->idrinfo, but we already
have tc_action before calling ops->delete(), and tc_action has
a pointer ->idrinfo.
More importantly, each type of action does the same thing, that is,
just calling tcf_idr_delete_index().
So it can be just removed.
Fixes: b409074e6693 ("net: sched: add 'delete' function to action ops")
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have a need to override the definition of
barrier_before_unreachable() for MIPS, which means we either need to add
architecture-specific code into linux/compiler-gcc.h or we need to allow
the architecture to provide a header that can define the macro before
the generic definition. The latter seems like the better approach.
A straightforward approach to the per-arch header is to make use of
asm-generic to provide a default empty header & adjust architectures
which don't need anything specific to make use of that by adding the
header to generic-y. Unfortunately this doesn't work so well due to
commit 28128c61e08e ("kconfig.h: Include compiler types to avoid missed
struct attributes") which caused linux/compiler_types.h to be included
in the compilation of every C file via the -include linux/kconfig.h flag
in c_flags.
Because the -include flag is present for all C files we compile, we need
the architecture-provided header to be present before any C files are
compiled. If any C files can be compiled prior to the asm-generic header
wrappers being generated then we hit a build failure due to missing
header. Such cases do exist - one pointed out by the kbuild test robot
is the compilation of arch/ia64/kernel/nr-irqs.c, which occurs as part
of the archprepare target [1].
This leaves us with a few options:
1) Use generic-y & fix any build failures we find by enforcing
ordering such that the asm-generic target occurs before any C
compilation, such that linux/compiler_types.h can always include
the generated asm-generic wrapper which in turn includes the empty
asm-generic header. This would rely on us finding all the
problematic cases - I don't know for sure that the ia64 issue is
the only one.
2) Add an actual empty header to each architecture, so that we don't
need the generated asm-generic wrapper. This seems messy.
3) Give up & add #ifdef CONFIG_MIPS or similar to
linux/compiler_types.h. This seems messy too.
4) Include the arch header only when it's actually needed, removing
the need for the asm-generic wrapper for all other architectures.
This patch allows us to use approach 4, by including an asm/compiler.h
header from linux/compiler_types.h after the inclusion of the
compiler-specific linux/compiler-*.h header(s). We do this
conditionally, only when CONFIG_HAVE_ARCH_COMPILER_H is selected, in
order to avoid the need for asm-generic wrappers & the associated build
ordering issue described above. The asm/compiler.h header is included
after the generic linux/compiler-*.h header(s) for consistency with the
way linux/compiler-intel.h & linux/compiler-clang.h are included after
the linux/compiler-gcc.h header that they override.
[1] https://lists.01.org/pipermail/kbuild-all/2018-August/051175.html
Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Patchwork: https://patchwork.linux-mips.org/patch/20269/
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-arch@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org
Cc: linux-mips@linux-mips.org
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- Restructure of lockdep and latency tracers
This is the biggest change. Joel Fernandes restructured the hooks
from irqs and preemption disabling and enabling. He got rid of a lot
of the preprocessor #ifdef mess that they caused.
He turned both lockdep and the latency tracers to use trace events
inserted in the preempt/irqs disabling paths. But unfortunately,
these started to cause issues in corner cases. Thus, parts of the
code was reverted back to where lockdep and the latency tracers just
get called directly (without using the trace events). But because the
original change cleaned up the code very nicely we kept that, as well
as the trace events for preempt and irqs disabling, but they are
limited to not being called in NMIs.
- Have trace events use SRCU for "rcu idle" calls. This was required
for the preempt/irqs off trace events. But it also had to not allow
them to be called in NMI context. Waiting till Paul makes an NMI safe
SRCU API.
- New notrace SRCU API to allow trace events to use SRCU.
- Addition of mcount-nop option support
- SPDX headers replacing GPL templates.
- Various other fixes and clean ups.
- Some fixes are marked for stable, but were not fully tested before
the merge window opened.
* tag 'trace-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (44 commits)
tracing: Fix SPDX format headers to use C++ style comments
tracing: Add SPDX License format tags to tracing files
tracing: Add SPDX License format to bpf_trace.c
blktrace: Add SPDX License format header
s390/ftrace: Add -mfentry and -mnop-mcount support
tracing: Add -mcount-nop option support
tracing: Avoid calling cc-option -mrecord-mcount for every Makefile
tracing: Handle CC_FLAGS_FTRACE more accurately
Uprobe: Additional argument arch_uprobe to uprobe_write_opcode()
Uprobes: Simplify uprobe_register() body
tracepoints: Free early tracepoints after RCU is initialized
uprobes: Use synchronize_rcu() not synchronize_sched()
tracing: Fix synchronizing to event changes with tracepoint_synchronize_unregister()
ftrace: Remove unused pointer ftrace_swapper_pid
tracing: More reverting of "tracing: Centralize preemptirq tracepoints and unify their usage"
tracing/irqsoff: Handle preempt_count for different configs
tracing: Partial revert of "tracing: Centralize preemptirq tracepoints and unify their usage"
tracing: irqsoff: Account for additional preempt_disable
trace: Use rcu_dereference_raw for hooks from trace-event subsystem
tracing/kprobes: Fix within_notrace_func() to check only notrace functions
...
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Pull ceph updates from Ilya Dryomov:
"The main things are support for cephx v2 authentication protocol and
basic support for rbd images within namespaces (myself).
Also included are y2038 conversion patches from Arnd, a pile of
miscellaneous fixes from Chengguang and Zheng's feature bit
infrastructure for the filesystem"
* tag 'ceph-for-4.19-rc1' of git://github.com/ceph/ceph-client: (40 commits)
ceph: don't drop message if it contains more data than expected
ceph: support cephfs' own feature bits
crush: fix using plain integer as NULL warning
libceph: remove unnecessary non NULL check for request_key
ceph: refactor error handling code in ceph_reserve_caps()
ceph: refactor ceph_unreserve_caps()
ceph: change to void return type for __do_request()
ceph: compare fsc->max_file_size and inode->i_size for max file size limit
ceph: add additional size check in ceph_setattr()
ceph: add additional offset check in ceph_write_iter()
ceph: add additional range check in ceph_fallocate()
ceph: add new field max_file_size in ceph_fs_client
libceph: weaken sizeof check in ceph_x_verify_authorizer_reply()
libceph: check authorizer reply/challenge length before reading
libceph: implement CEPHX_V2 calculation mode
libceph: add authorizer challenge
libceph: factor out encrypt_authorizer()
libceph: factor out __ceph_x_decrypt()
libceph: factor out __prepare_write_connect()
libceph: store ceph_auth_handshake pointer in ceph_connection
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"It is now possible to add custom sysfs attributes while avoiding a
possible race condition. Unused code has been removed resulting in a
nice reduction of the code base. And more drivers have been switched
to SPDX by their maintainers.
Summary:
Subsystem:
- new helpers to add custom sysfs attributes
- struct rtc_task removal along with rtc_irq_[un]register()
- rtc_irq_set_state and rtc_irq_set_freq are not exported anymore
Drivers:
- armada38x: reset after rtc power loss
- ds1307: now supports m41t11
- isl1208: now supports isl1219 and tamper detection
- pcf2127: internal SRAM support"
* tag 'rtc-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
rtc: ds1307: simplify hwmon config
rtc: s5m: Add SPDX license identifier
rtc: maxim: Add SPDX license identifiers
rtc: isl1219: add device tree documentation
rtc: isl1208: set ev-evienb bit from device tree
rtc: isl1208: Add "evdet" interrupt source for isl1219
rtc: isl1208: add support for isl1219 with tamper detection
rtc: sysfs: facilitate attribute add to rtc device
rtc: remove struct rtc_task
char: rtc: remove task handling
rtc: pcf85063: preserve control register value between stop and start
rtc: sh: remove unused variable rtc_dev
rtc: unexport rtc_irq_set_*
rtc: simplify rtc_irq_set_state/rtc_irq_set_freq
rtc: remove irq_task and irq_task_lock
rtc: remove rtc_irq_register/rtc_irq_unregister
rtc: sh: remove dead code
rtc: sa1100: don't set PIE frequency
rtc: ds1307: support m41t11 variant
rtc: ds1307: fix data pointer to m41t0
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- touch_max detection improvements and quirk handling fixes in wacom
driver from Jason Gerecke and Ping Cheng
- Palm rejection from Dmitry Torokhov and _dial support from Benjamin
Tissoires for hid-multitouch driver
- Low voltage support for i2c-hid driver from Stephen Boyd
- Guitar-Hero support from Nicolas Adenis-Lamarre
- other assorted small fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (40 commits)
HID: intel_ish-hid: tx_buf memory leak on probe/remove
HID: intel-ish-hid: Prevent loading of driver on Mehlow
HID: cougar: Add support for the Cougar 500k Gaming Keyboard
HID: cougar: make compare_device_paths reusable
HID: intel-ish-hid: remove redundant variable num_frags
HID: multitouch: handle palm for touchscreens
HID: multitouch: touchscreens also use confidence reports
HID: multitouch: report MT_TOOL_PALM for non-confident touches
HID: microsoft: support the Surface Dial
HID: core: do not upper bound the collection stack
HID: input: enable Totem on the Dell Canvas 27
HID: multitouch: remove one copy of values
HID: multitouch: ditch mt_report_id
HID: multitouch: store a per application quirks value
HID: multitouch: Store per collection multitouch data
HID: multitouch: make sure the static list of class is not changed
input: add MT_TOOL_DIAL
HID: elan: Add support for touchpad on the Toshiba Click Mini L9W
HID: elan: Add USB-id for HP x2 10-n000nd touchpad
HID: elan: Add a flag for selecting if the touchpad has a LED
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Framework:
- Remove unused/obsolete code/comments
New Functionality:
- Allow less granular brightness specification for high-res PWMs; pwm_bl
- Align brightness {inc,dec}rements with that perceived by the human-eye; pwm_bl
Fix-ups:
- Prepare for the introduction of -Wimplicit-fall-through; adp8860_bl
Bug Fixes:
- Fix uninitialised variable; pwm_bl"
* tag 'backlight-next-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: pwm_bl: Fix uninitialized variable
backlight: adp8860: Mark expected switch fall-through
backlight: Remove obsolete comment for ->state
dt-bindings: pwm-backlight: Move brightness-levels to optional
backlight: pwm_bl: Compute brightness of LED linearly to human eye
dt-bindings: pwm-backlight: Add a num-interpolation-steps property
backlight: pwm_bl: Linear interpolation between brightness-levels
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add Cirrus Logic Madera Codec (CS47L35, CS47L85 and CS47L90/91) driver
- Add ChromeOS EC CEC driver
- Add ROHM BD71837 PMIC driver
New Device Support:
- Add support for Dialog Semi DA9063L PMIC variant to DA9063
- Add support for Intel Ice Lake to Intel-PLSS-PCI
- Add support for X-Powers AXP806 to AXP20x
New Functionality:
- Add support for USB Charging to the ChromeOS Embedded Controller
- Add support for HDMI CEC to the ChromeOS Embedded Controller
- Add support for HDMI CEC to Intel HDMI
- Add support for accessory detection to Madera devices
- Allow individual pins to be configured via DT' wlf,csnaddr-pd
- Provide legacy platform specific EEPROM/Watchdog commands; rave-sp
Fix-upsL
- Trivial renaming/spelling fixes; cros_ec, da9063-*
- Convert to Managed Resources (devm_*); da9063-*, ti_am335x_tscadc
- Transition to helper macros/functions; da9063-*
- Constify; kempld-core
- Improve error path/messages; wm8994-core
- Disable IRQs locally instead of relying on USB subsystem; dln2
- Remove unused code; rave-sp
- New exports; sec-core
Bug Fixes:
- Fix possible false I2C transaction error; arizona-core
- Fix declared memory area size; hi655x-pmic
- Fix checksum type; rave-sp
- Fix incorrect default serial port configuration: rave-sp
- Fix incorrect coherent DMA mask for sub-devices; sm501"
* tag 'mfd-next-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (60 commits)
mfd: madera: Add register definitions for accessory detect
mfd: sm501: Set coherent_dma_mask when creating subdevices
mfd: bd71837: Devicetree bindings for ROHM BD71837 PMIC
mfd: bd71837: Core driver for ROHM BD71837 PMIC
media: platform: cros-ec-cec: Fix dependency on MFD_CROS_EC
mfd: sec-core: Export OF module alias table
mfd: as3722: Disable auto-power-on when AC OK
mfd: axp20x: Support AXP806 in I2C mode
mfd: axp20x: Add self-working mode support for AXP806
dt-bindings: mfd: axp20x: Add "self-working" mode for AXP806
mfd: wm8994: Allow to configure CS/ADDR Pulldown from dts
mfd: wm8994: Allow to configure Speaker Mode Pullup from dts
mfd: rave-sp: Emulate CMD_GET_STATUS on device that don't support it
mfd: rave-sp: Add legacy watchdog ping command translation
mfd: rave-sp: Add legacy EEPROM access command translation
mfd: rave-sp: Initialize flow control and parity of the port
mfd: rave-sp: Fix incorrectly specified checksum type
mfd: rave-sp: Remove unused defines
mfd: hi655x: Fix regmap area declared size for hi655x
mfd: ti_am335x_tscadc: Fix struct clk memory leak
...
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Various architectures fail to build properly with older versions of the
gcc compiler.
An example from Guenter Roeck in thread [1]:
>
> In file included from ./include/linux/mm.h:17:0,
> from ./include/linux/pid_namespace.h:7,
> from ./include/linux/ptrace.h:10,
> from arch/openrisc/kernel/asm-offsets.c:32:
> ./include/linux/mm_types.h:497:16: error: flexible array member in otherwise empty struct
>
> This is just an example with gcc 4.5.1 for or32. I have seen the problem
> with gcc 4.4 (for unicore32) as well.
So update the minimum required version of gcc to 4.6.
[1] https://lore.kernel.org/lkml/20180814170904.GA12768@roeck-us.net/
Miscellanea:
- Update Documentation/process/changes.rst
- Remove and consolidate version test blocks in compiler-gcc.h for
versions lower than 4.6
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently memory_failure() returns zero if the error was handled. On
that result mce_unmap_kpfn() is called to zap the page out of the kernel
linear mapping to prevent speculative fetches of potentially poisoned
memory. However, in the case of dax mapped devmap pages the page may be
in active permanent use by the device driver, so it cannot be unmapped
from the kernel.
Instead of marking the page not present, marking the page UC should
be sufficient for preventing poison from being pre-fetched into the
cache. Convert mce_unmap_pfn() to set_mce_nospec() remapping the page as
UC, to hide it from speculative accesses.
Given that that persistent memory errors can be cleared by the driver,
include a facility to restore the page to cacheable operation,
clear_mce_nospec().
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: <linux-edac@vger.kernel.org>
Cc: <x86@kernel.org>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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Multitouch updates:
- Dial support
- Palm rejection for touchscreens
- a few small assorted fixes
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Low voltage support for i2c-hid
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Pull networking fixes from David Miller:
1) Fix races in IPVS, from Tan Hu.
2) Missing unbind in matchall classifier, from Hangbin Liu.
3) Missing act_ife action release, from Vlad Buslov.
4) Cure lockdep splats in ila, from Cong Wang.
5) veth queue leak on link delete, from Toshiaki Makita.
6) Disable isdn's IIOCDBGVAR ioctl, it exposes kernel addresses. From
Kees Cook.
7) RCU usage fixup in XDP, from Tariq Toukan.
8) Two TCP ULP fixes from Daniel Borkmann.
9) r8169 needs REALTEK_PHY as a Kconfig dependency, from Heiner
Kallweit.
10) Always take tcf_lock with BH disabled, otherwise we can deadlock
with rate estimator code paths. From Vlad Buslov.
11) Don't use MSI-X on RTL8106e r8169 chips, they don't resume properly.
From Jian-Hong Pan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
ip6_vti: fix creating fallback tunnel device for vti6
ip_vti: fix a null pointer deferrence when create vti fallback tunnel
r8169: don't use MSI-X on RTL8106e
net: lan743x_ptp: convert to ktime_get_clocktai_ts64
net: sched: always disable bh when taking tcf_lock
ip6_vti: simplify stats handling in vti6_xmit
bpf: fix redirect to map under tail calls
r8169: add missing Kconfig dependency
tools/bpf: fix bpf selftest test_cgroup_storage failure
bpf, sockmap: fix sock_map_ctx_update_elem race with exist/noexist
bpf, sockmap: fix map elem deletion race with smap_stop_sock
bpf, sockmap: fix leakage of smap_psock_map_entry
tcp, ulp: fix leftover icsk_ulp_ops preventing sock from reattach
tcp, ulp: add alias for all ulp modules
bpf: fix a rcu usage warning in bpf_prog_array_copy_core()
samples/bpf: all XDP samples should unload xdp/bpf prog on SIGTERM
net/xdp: Fix suspicious RCU usage warning
net/mlx5e: Delete unneeded function argument
Documentation: networking: ti-cpsw: correct cbs parameters for Eth1 100Mb
isdn: Disable IIOCDBGVAR
...
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Pull first set of KVM updates from Paolo Bonzini:
"PPC:
- minor code cleanups
x86:
- PCID emulation and CR3 caching for shadow page tables
- nested VMX live migration
- nested VMCS shadowing
- optimized IPI hypercall
- some optimizations
ARM will come next week"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (85 commits)
kvm: x86: Set highest physical address bits in non-present/reserved SPTEs
KVM/x86: Use CC_SET()/CC_OUT in arch/x86/kvm/vmx.c
KVM: X86: Implement PV IPIs in linux guest
KVM: X86: Add kvm hypervisor init time platform setup callback
KVM: X86: Implement "send IPI" hypercall
KVM/x86: Move X86_CR4_OSXSAVE check into kvm_valid_sregs()
KVM: x86: Skip pae_root shadow allocation if tdp enabled
KVM/MMU: Combine flushing remote tlb in mmu_set_spte()
KVM: vmx: skip VMWRITE of HOST_{FS,GS}_BASE when possible
KVM: vmx: skip VMWRITE of HOST_{FS,GS}_SEL when possible
KVM: vmx: always initialize HOST_{FS,GS}_BASE to zero during setup
KVM: vmx: move struct host_state usage to struct loaded_vmcs
KVM: vmx: compute need to reload FS/GS/LDT on demand
KVM: nVMX: remove a misleading comment regarding vmcs02 fields
KVM: vmx: rename __vmx_load_host_state() and vmx_save_host_state()
KVM: vmx: add dedicated utility to access guest's kernel_gs_base
KVM: vmx: track host_state.loaded using a loaded_vmcs pointer
KVM: vmx: refactor segmentation code in vmx_save_host_state()
kvm: nVMX: Fix fault priority for VMX operations
kvm: nVMX: Fix fault vector for VMX operation at CPL > 0
...
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git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains some major improvements to the RISC-V port, including
the necessary interrupt controller and timer support to actually make
it to userspace. Support for three devices has been added:
- the ISA-mandated timers on RISC-V systems.
- the ISA-mandated first-level interrupt controller on RISC-V
systems, which is handled as part of our core arch code because
it's very small and tightly tied to the ISA.
- SiFive's platform-level interrupt controller, which talks to the
actual devices.
In addition to these new devices, there are a handful of cleanups all
over the RISC-V tree:
- build fixes for various configurations:
* A fix to the vDSO build's makefile so it respects CFLAGS.
* The addition of __lshrti3, a libgcc derived function necessary
for some 32-bit configurations.
* !SMP && PERF_EVENTS
- Cleanups to the arch code to remove the remnants of old versions of
the drivers that were just properly submitted.
* Some dead code from the timer driver, most of which wasn't ever
even compiled.
* Cleanups of some interrupt #defines, which are now local to the
interrupt handling code.
- Fixes to ptrace(), which while not being sufficient to fully make
GDB work are at least sufficient to get simple GDB tasks to work.
- Early printk support via RISC-V's architecturally mandated SBI
console device.
- A fix to our early debug trap handler to ensure it's always
aligned.
These patches have all been through a fairly extensive review process,
but as this enables a whole pile of functionality (ie, userspace) I'm
confident we'll need to submit a few more patches. The only concrete
issues I know about are the sys_riscv_flush_icache patches, but as I
managed to screw those up on Friday I figured it'd be best to let them
bake another week.
This tag boots a Fedora root filesystem on QEMU's master branch for
me, and before this morning's rebase (from 4.18-rc8 to 4.18) it booted
on the HiFive Unleashed.
Thanks to Christoph Hellwig and the other guys at WD for getting the
new drivers in shape!"
* tag 'riscv-for-linus-4.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
dt-bindings: interrupt-controller: SiFive Plaform Level Interrupt Controller
dt-bindings: interrupt-controller: RISC-V local interrupt controller
RISC-V: Fix !CONFIG_SMP compilation error
irqchip: add a SiFive PLIC driver
RISC-V: Add the directive for alignment of stvec's value
clocksource: new RISC-V SBI timer driver
RISC-V: implement low-level interrupt handling
RISC-V: add a definition for the SIE SEIE bit
RISC-V: remove INTERRUPT_CAUSE_* defines from asm/irq.h
RISC-V: simplify software interrupt / IPI code
RISC-V: remove timer leftovers
RISC-V: Add early printk support via the SBI console
RISC-V: Don't increment sepc after breakpoint.
RISC-V: implement __lshrti3.
RISC-V: Use KBUILD_CFLAGS instead of KCFLAGS when building the vDSO
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Rohm BU21029 touch controller
- new bitmap APIs: bitmap_alloc, bitmap_zalloc and bitmap_free
- updates to Atmel, eeti. pxrc and iforce drivers
- assorted driver cleanups and fixes.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
MAINTAINERS: Add PhoenixRC Flight Controller Adapter
Input: do not use WARN() in input_alloc_absinfo()
Input: mark expected switch fall-throughs
Input: raydium_i2c_ts - use true and false for boolean values
Input: evdev - switch to bitmap API
Input: gpio-keys - switch to bitmap_zalloc()
Input: elan_i2c_smbus - cast sizeof to int for comparison
bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
md: Avoid namespace collision with bitmap API
dm: Avoid namespace collision with bitmap API
Input: pm8941-pwrkey - add resin entry
Input: pm8941-pwrkey - abstract register offsets and event code
Input: iforce - reorganize joystick configuration lists
Input: atmel_mxt_ts - move completion to after config crc is updated
Input: atmel_mxt_ts - don't report zero pressure from T9
Input: atmel_mxt_ts - zero terminate config firmware file
Input: atmel_mxt_ts - refactor config update code to add context struct
Input: atmel_mxt_ts - config CRC may start at T71
Input: atmel_mxt_ts - remove unnecessary debug on ENOMEM
Input: atmel_mxt_ts - remove duplicate setup of ABS_MT_PRESSURE
...
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Pull hwspinlock updates from Bjorn Andersson:
"This introduces devres helpers and an API to request a lock by name,
then migrates the sprd SPI driver to use these"
* tag 'hwlock-v4.19' of git://github.com/andersson/remoteproc:
hwspinlock: Fix incorrect return pointers
spi: sprd: Change to use devm_hwspin_lock_request_specific()
spi: sprd: Replace of_hwspin_lock_get_id() with of_hwspin_lock_get_id_byname()
hwspinlock: Fix one comment mistake
hwspinlock: Remove redundant config
hwspinlock: Add devm_xxx() APIs to register/unregister one hwlock controller
hwspinlock: Add devm_xxx() APIs to request/free hwlock
hwspinlock: Add one new API to support getting a specific hwlock by the name
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Pull remoteproc updates from Bjorn Andersson:
"This adds support for pre-start and post-shutdown hooks for remoteproc
subdevices, refactors the Qualcomm Hexagon support to allow reuse
between several drivers, makes authentication in the MDT file loader
optional, migrates a few format strings to use %pK and migrates the
Davinci driver to use the reset framework"
* tag 'rproc-v4.19' of git://github.com/andersson/remoteproc:
remoteproc/davinci: use the reset framework
remoteproc/davinci: Mark error recovery as disabled
remoteproc: st_slim: replace "%p" with "%pK"
remoteproc: replace "%p" with "%pK"
remoteproc: qcom: fix Q6V5_WCSS dependencies
remoteproc: Reset table_ptr in rproc_start() failure paths
remoteproc: qcom: q6v5-pil: fix modem hang on SDM845 after axis2 clk unvote
remoteproc: qcom q6v5: fix modular build
remoteproc: Introduce prepare and unprepare for subdevices
remoteproc: rename subdev probe and remove functions
remoteproc: Make client initialize ops in rproc_subdev
remoteproc: Make start and stop in subdev optional
remoteproc: Rename subdev functions to start/stop
remoteproc: qcom: Introduce Hexagon V5 based WCSS driver
remoteproc: qcom: q6v5-pil: Use common q6v5 helpers
remoteproc: qcom: adsp: Use common q6v5 helpers
remoteproc: q6v5: Extract common resource handling
remoteproc: qcom: mdt_loader: Make the firmware authentication optional
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Pull DMAengine updates from Vinod Koul:
"This round brings couple of framework changes, a new driver and usual
driver updates:
- new managed helper for dmaengine framework registration
- split dmaengine pause capability to pause and resume and allow
drivers to report that individually
- update dma_request_chan_by_mask() to handle deferred probing
- move imx-sdma to use virt-dma
- new driver for Actions Semi Owl family S900 controller
- minor updates to intel, renesas, mv_xor, pl330 etc"
* tag 'dmaengine-4.19-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (46 commits)
dmaengine: Add Actions Semi Owl family S900 DMA driver
dt-bindings: dmaengine: Add binding for Actions Semi Owl SoCs
dmaengine: sh: rcar-dmac: Should not stop the DMAC by rcar_dmac_sync_tcr()
dmaengine: mic_x100_dma: use the new helper to simplify the code
dmaengine: add a new helper dmaenginem_async_device_register
dmaengine: imx-sdma: add memcpy interface
dmaengine: imx-sdma: add SDMA_BD_MAX_CNT to replace '0xffff'
dmaengine: dma_request_chan_by_mask() to handle deferred probing
dmaengine: pl330: fix irq race with terminate_all
dmaengine: Revert "dmaengine: mv_xor_v2: enable COMPILE_TEST"
dmaengine: mv_xor_v2: use {lower,upper}_32_bits to configure HW descriptor address
dmaengine: mv_xor_v2: enable COMPILE_TEST
dmaengine: mv_xor_v2: move unmap to before callback
dmaengine: mv_xor_v2: convert callback to helper function
dmaengine: mv_xor_v2: kill the tasklets upon exit
dmaengine: mv_xor_v2: explicitly freeup irq
dmaengine: sh: rcar-dmac: Add dma_pause operation
dmaengine: sh: rcar-dmac: add a new function to clear CHCR.DE with barrier
dmaengine: idma64: Support dmaengine_terminate_sync()
dmaengine: hsu: Support dmaengine_terminate_sync()
...
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Pull MMC updates from Ulf Hansson:
"Updates for MMC for v4.19.
MMC core:
- Add some fine-grained hooks to further support HS400 tuning
- Improve error path for bus width setting for HS400es
- Use a common method when checking R1 status
MMC host:
- renesas_sdhi: Add r8a77990 support
- renesas_sdhi: Add eMMC HS400 mode support
- tmio/renesas_sdhi: Improve tuning/clock management
- tmio: Add eMMC HS400 mode support
- sunxi: Add support for 3.3V eMMC DDR mode
- mmci: Initial support to manage variant specific callbacks
- sdhci: Don't try 3.3V I/O voltage if not supported
- sdhci-pci-dwc-mshc: Add driver to support Synopsys dwc mshc SDHCI PCI
- sdhci-of-dwcmshc: Add driver to support Synopsys DWC MSHC SDHCI
- sdhci-msm: Add support for new version sdcc V5
- sdhci-pci-o2micro: Add support for O2 eMMC HS200 mode
- sdhci-pci-o2micro: Add support for O2 hardware tuning
- sdhci-pci-o2micro: Add MSI interrupt support for O2 SD host
- sdhci-pci: Add support for Intel ICP
- sdhci-tegra: Prevent ACMD23 and HS200 mode on Tegra 3
- sdhci-tegra: Fix eMMC DDR52 mode
- sdhci-tegra: Improve clock management
- dw_mmc-rockchip: Document compatible string for px30
- sdhci-esdhc-imx: Add support for 3.3V eMMC DDR mode
- sdhci-of-esdhc: Set proper DMA mask for ls104x chips
- sdhci-of-esdhc: Improve clock management
- sdhci-of-arasan: Add a quirk to manage unstable clocks
- dw_mmc-exynos: Address potential external abort during system resume
- pxamci: Add support for common MMC DT bindings
- pxamci: Several cleanups and improvements
- pxamci: Merge immutable branch for pxa to switch to DMA slave maps"
* tag 'mmc-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (56 commits)
mmc: core: improve reasonableness of bus width setting for HS400es
mmc: tmio: remove unneeded variable in tmio_mmc_start_command()
mmc: renesas_sdhi: Fix sampling clock position selecting
mmc: tmio: Fix tuning flow
mmc: sunxi: remove output of virtual base address
dt-bindings: mmc: rockchip-dw-mshc: add description for px30
mmc: renesas_sdhi: Add r8a77990 support
mmc: sunxi: allow 3.3V DDR when DDR is available
mmc: mmci: Add and implement a ->dma_setup() callback for qcom dml
mmc: mmci: Initial support to manage variant specific callbacks
mmc: tegra: Force correct divider calculation on DDR50/52
mmc: sdhci: Add MSI interrupt support for O2 SD host
mmc: sdhci: Add support for O2 hardware tuning
mmc: sdhci: Export sdhci tuning function symbol
mmc: sdhci: Change O2 Host HS200 mode clock frequency to 200MHz
mmc: sdhci: Add support for O2 eMMC HS200 mode
mmc: tegra: Add and use tegra_sdhci_get_max_clock()
mmc: sdhci-esdhc-imx: fix indent
mmc: sdhci-esdhc-imx: disable clocks before changing frequency
mmc: tegra: prevent ACMD23 on Tegra 3
...
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This function was created as a deprecated fallback case back in 2010 by
commit eb14120f743d ("pcmcia: re-work pcmcia_request_irq()") for legacy
cases.
Actual in-kernel users haven't been around for a long while. The last
in-kernel user was apparently removed four years ago by commit
5f5316fcd08e ("am2150: Update nmclan_cs.c to use update PCMCIA API").
Just remove it entirely.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We haven't had lots of deprecation warnings lately, but the rdma use of
it made them flare up again.
They are not useful. They annoy everybody, and nobody ever does
anything about them, because it's always "somebody elses problem". And
when people start thinking that warnings are normal, they stop looking
at them, and the real warnings that mean something go unnoticed.
If you want to get rid of a function, just get rid of it. Convert every
user to the new world order.
And if you can't do that, then don't annoy everybody else with your
marking that says "I couldn't be bothered to fix this, so I'll just spam
everybody elses build logs with warnings about my laziness".
Make a kernelnewbies wiki page about things that could be cleaned up,
write a blog post about it, or talk to people on the mailing lists. But
don't add warnings to the kernel build about cleanup that you think
should happen but you aren't doing yourself.
Don't. Just don't.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here are all of the driver core and related patches for 4.19-rc1.
Nothing huge here, just a number of small cleanups and the ability to
now stop the deferred probing after init happens.
All of these have been in linux-next for a while with only a merge
issue reported"
* tag 'driver-core-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (21 commits)
base: core: Remove WARN_ON from link dependencies check
drivers/base: stop new probing during shutdown
drivers: core: Remove glue dirs from sysfs earlier
driver core: remove unnecessary function extern declare
sysfs.h: fix non-kernel-doc comment
PM / Domains: Stop deferring probe at the end of initcall
iommu: Remove IOMMU_OF_DECLARE
iommu: Stop deferring probe at end of initcalls
pinctrl: Support stopping deferred probe after initcalls
dt-bindings: pinctrl: add a 'pinctrl-use-default' property
driver core: allow stopping deferred probe after init
driver core: add a debugfs entry to show deferred devices
sysfs: Fix internal_create_group() for named group updates
base: fix order of OF initialization
linux/device.h: fix kernel-doc notation warning
Documentation: update firmware loader fallback reference
kobject: Replace strncpy with memcpy
drivers: base: cacheinfo: use OF property_read_u32 instead of get_property,read_number
kernfs: Replace strncpy with memcpy
device: Add #define dev_fmt similar to #define pr_fmt
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the bit set of char/misc drivers for 4.19-rc1
There is a lot here, much more than normal, seems like everyone is
writing new driver subsystems these days... Anyway, major things here
are:
- new FSI driver subsystem, yet-another-powerpc low-level hardware
bus
- gnss, finally an in-kernel GPS subsystem to try to tame all of the
crazy out-of-tree drivers that have been floating around for years,
combined with some really hacky userspace implementations. This is
only for GNSS receivers, but you have to start somewhere, and this
is great to see.
Other than that, there are new slimbus drivers, new coresight drivers,
new fpga drivers, and loads of DT bindings for all of these and
existing drivers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits)
android: binder: Rate-limit debug and userspace triggered err msgs
fsi: sbefifo: Bump max command length
fsi: scom: Fix NULL dereference
misc: mic: SCIF Fix scif_get_new_port() error handling
misc: cxl: changed asterisk position
genwqe: card_base: Use true and false for boolean values
misc: eeprom: assignment outside the if statement
uio: potential double frees if __uio_register_device() fails
eeprom: idt_89hpesx: clean up an error pointer vs NULL inconsistency
misc: ti-st: Fix memory leak in the error path of probe()
android: binder: Show extra_buffers_size in trace
firmware: vpd: Fix section enabled flag on vpd_section_destroy
platform: goldfish: Retire pdev_bus
goldfish: Use dedicated macros instead of manual bit shifting
goldfish: Add missing includes to goldfish.h
mux: adgs1408: new driver for Analog Devices ADGS1408/1409 mux
dt-bindings: mux: add adi,adgs1408
Drivers: hv: vmbus: Cleanup synic memory free path
Drivers: hv: vmbus: Remove use of slow_virt_to_phys()
Drivers: hv: vmbus: Reset the channel callback in vmbus_onoffer_rescind()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO updates from Greg KH:
"Here are the big staging/iio patches for 4.19-rc1.
Lots of churn here, with tons of cleanups happening in staging
drivers, a removal of an old crypto driver that no one was using
(skein), and the addition of some new IIO drivers. Also added was a
"gasket" driver from Google that needs loads of work and the erofs
filesystem.
Even with adding all of the new drivers and a new filesystem, we are
only adding about 1000 lines overall to the kernel linecount, which
shows just how much cleanup happened, and how big the unused crypto
driver was.
All of these have been in the linux-next tree for a while now with no
reported issues"
* tag 'staging-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (903 commits)
staging:rtl8192u: Remove unused macro definitions - Style
staging:rtl8192u: Add spaces around '+' operator - Style
staging:rtl8192u: Remove stale comment - Style
staging: rtl8188eu: remove unused mp_custom_oid.h
staging: fbtft: Add spaces around / - Style
staging: fbtft: Erases some repetitive usage of function name - Style
staging: fbtft: Adjust some empty-line problems - Style
staging: fbtft: Removes one nesting level to help readability - Style
staging: fbtft: Changes gamma table to define.
staging: fbtft: A bit more information on dev_err.
staging: fbtft: Fixes some alignment issues - Style
staging: fbtft: Puts macro arguments in parenthesis to avoid precedence issues - Style
staging: rtl8188eu: remove unused array dB_Invert_Table
staging: rtl8188eu: remove whitespace, add missing blank line
staging: rtl8188eu: use is_multicast_ether_addr in rtw_sta_mgt.c
staging: rtl8188eu: remove whitespace - style
staging: rtl8188eu: cleanup block comment - style
staging: rtl8188eu: use is_multicast_ether_addr in rtl8188eu_xmit.c
staging: rtl8188eu: use is_multicast_ether_addr in recv_linux.c
staging: rtlwifi: refactor rtl_get_tcb_desc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big tty and serial driver pull request for 4.19-rc1.
It's not all that big, just a number of small serial driver updates
and fixes, along with some better vt handling for unicode characters
for those using braille terminals.
All of these patches have been in linux-next for a long time with no
reported issues"
* tag 'tty-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (73 commits)
tty: serial: 8250: Revert NXP SC16C2552 workaround
serial: 8250_exar: Read INT0 from slave device, too
tty: rocket: Fix possible buffer overwrite on register_PCI
serial: 8250_dw: Add ACPI support for uart on Broadcom SoC
serial: 8250_dw: always set baud rate in dw8250_set_termios
dt-bindings: serial: Add binding for uartlite
tty: serial: uartlite: Add support for suspend and resume
tty: serial: uartlite: Add clock adaptation
tty: serial: uartlite: Add structure for private data
serial: sh-sci: Improve support for separate TEI and DRI interrupts
serial: sh-sci: Remove SCIx_RZ_SCIFA_REGTYPE
serial: sh-sci: Allow for compressed SCIF address
serial: sh-sci: Improve interrupts description
serial: 8250: Use cached port name directly in messages
serial: 8250_exar: Drop unused variable in pci_xr17v35x_setup()
vt: drop unused struct vt_struct
vt: avoid a VLA in the unicode screen scroll function
vt: add /dev/vcsu* to devices.txt
vt: coherence validation code for the unicode screen buffer
vt: selection: take screen contents from uniscr if available
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big USB and phy driver patch set for 4.19-rc1.
Nothing huge but there was a lot of work that happened this
development cycle:
- lots of type-c work, with drivers graduating out of staging, and
displayport support being added.
- new PHY drivers
- the normal collection of gadget driver updates and fixes
- code churn to work on the urb handling path, using irqsave()
everywhere in anticipation of making this codepath a lot simpler in
the future.
- usbserial driver fixes and reworks
- other misc changes
All of these have been in linux-next with no reported issues for a
while"
* tag 'usb-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (159 commits)
USB: serial: pl2303: add a new device id for ATEN
usb: renesas_usbhs: Kconfig: convert to SPDX identifiers
usb: dwc3: gadget: Check MaxPacketSize from descriptor
usb: dwc2: Turn on uframe_sched on "stm32f4x9_fsotg" platforms
usb: dwc2: Turn on uframe_sched on "amlogic" platforms
usb: dwc2: Turn on uframe_sched on "his" platforms
usb: dwc2: Turn on uframe_sched on "bcm" platforms
usb: dwc2: gadget: ISOC's starting flow improvement
usb: dwc2: Make dwc2_readl/writel functions endianness-agnostic.
usb: dwc3: core: Enable AutoRetry feature in the controller
usb: dwc3: Set default mode for dwc_usb31
usb: gadget: udc: renesas_usb3: Add register of usb role switch
usb: dwc2: replace ioread32/iowrite32_rep with dwc2_readl/writel_rep
usb: dwc2: Modify dwc2_readl/writel functions prototype
usb: dwc3: pci: Intel Merrifield can be host
usb: dwc3: pci: Supply device properties via driver data
arm64: dts: dwc3: description of incr burst type
usb: dwc3: Enable undefined length INCR burst type
usb: dwc3: add global soc bus configuration reg0
usb: dwc3: Describe 'wakeup_work' field of struct dwc3_pci
...
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Daniel Borkmann says:
====================
pull-request: bpf 2018-08-18
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a BPF selftest failure in test_cgroup_storage due to rlimit
restrictions, from Yonghong.
2) Fix a suspicious RCU rcu_dereference_check() warning triggered
from removing a device's XDP memory allocator by using the correct
rhashtable lookup function, from Tariq.
3) A batch of BPF sockmap and ULP fixes mainly fixing leaks and races
as well as enforcing module aliases for ULPs. Another fix for BPF
map redirect to make them work again with tail calls, from Daniel.
4) Fix XDP BPF samples to unload their programs upon SIGTERM, from Jesper.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Infinite loop in IPVS when net namespace is released, from
Tan Hu.
2) Do not show negative timeouts in ip_vs_conn by using the new
jiffies_delta_to_msecs(), patches from Matteo Croce.
3) Set F_IFACE flag for linklocal addresses in ip6t_rpfilter,
from Florian Westphal.
4) Fix overflow in set size allocation, from Taehee Yoo.
5) Use netlink_dump_start() from ctnetlink to fix memleak from
the error path, again from Florian.
6) Register nfnetlink_subsys in last place, otherwise netns
init path may lose race and see net->nft uninitialized data.
This also reverts previous attempt to fix this by increase
netns refcount, patches from Florian.
7) Remove conntrack entries on layer 4 protocol tracker module
removal, from Florian.
8) Use GFP_KERNEL_ACCOUNT for xtables blob allocation, from
Michal Hocko.
9) Get tproxy documentation in sync with existing codebase,
from Mate Eckl.
10) Honor preset layer 3 protocol via ctx->family in the new nft_ct
timeout infrastructure, from Harsha Sharma.
11) Let uapi nfnetlink_osf.h compile standalone with no errors,
from Dmitry V. Levin.
12) Missing braces compilation warning in nft_tproxy, patch from
Mate Eclk.
13) Disregard bogus check to bail out on non-anonymous sets from
the dynamic set update extension.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
kernel:
- kallsyms, x86: Export addresses of PTI entry trampolines (Alexander Shishkin)
- kallsyms: Simplify update_iter_mod() (Adrian Hunter)
- x86: Add entry trampolines to kcore (Adrian Hunter)
Hardware tracing:
- Fix auxtrace queue resize (Adrian Hunter)
Arch specific:
- Fix uninitialized ARM SPE record error variable (Kim Phillips)
- Fix trace event post-processing in powerpc (Sandipan Das)
Build:
- Fix check-headers.sh AND list path of execution (Alexander Kapshuk)
- Remove -mcet and -fcf-protection when building the python binding
with older clang versions (Arnaldo Carvalho de Melo)
- Make check-headers.sh check based on kernel dir (Jiri Olsa)
- Move syscall_64.tbl check into check-headers.sh (Jiri Olsa)
Infrastructure:
- Check for null when copying nsinfo. (Benno Evers)
Libraries:
- Rename libtraceevent prefixes, prep work for making it a shared
library generaly available (Tzvetomir Stoyanov (VMware))
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Pull 9p updates from Dominique Martinet:
"This contains mostly fixes (6 to be backported to stable) and a few
changes, here is the breakdown:
- rework how fids are attributed by replacing some custom tracking in
a list by an idr
- for packet-based transports (virtio/rdma) validate that the packet
length matches what the header says
- a few race condition fixes found by syzkaller
- missing argument check when NULL device is passed in sys_mount
- a few virtio fixes
- some spelling and style fixes"
* tag '9p-for-4.19-2' of git://github.com/martinetd/linux: (21 commits)
net/9p/trans_virtio.c: add null terminal for mount tag
9p/virtio: fix off-by-one error in sg list bounds check
9p: fix whitespace issues
9p: fix multiple NULL-pointer-dereferences
fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed
9p: validate PDU length
net/9p/trans_fd.c: fix race by holding the lock
net/9p/trans_fd.c: fix race-condition by flushing workqueue before the kfree()
net/9p/virtio: Fix hard lockup in req_done
net/9p/trans_virtio.c: fix some spell mistakes in comments
9p/net: Fix zero-copy path in the 9p virtio transport
9p: Embed wait_queue_head into p9_req_t
9p: Replace the fidlist with an IDR
9p: Change p9_fid_create calling convention
9p: Fix comment on smp_wmb
net/9p/client.c: version pointer uninitialized
fs/9p/v9fs.c: fix spelling mistake "Uknown" -> "Unknown"
net/9p: fix error path of p9_virtio_probe
9p/net/protocol.c: return -ENOMEM when kmalloc() failed
net/9p/client.c: add missing '\n' at the end of p9_debug()
...
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Merge updates from Andrew Morton:
- a few misc things
- a few Y2038 fixes
- ntfs fixes
- arch/sh tweaks
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (111 commits)
mm/hmm.c: remove unused variables align_start and align_end
fs/userfaultfd.c: remove redundant pointer uwq
mm, vmacache: hash addresses based on pmd
mm/list_lru: introduce list_lru_shrink_walk_irq()
mm/list_lru.c: pass struct list_lru_node* as an argument to __list_lru_walk_one()
mm/list_lru.c: move locking from __list_lru_walk_one() to its caller
mm/list_lru.c: use list_lru_walk_one() in list_lru_walk_node()
mm, swap: make CONFIG_THP_SWAP depend on CONFIG_SWAP
mm/sparse: delete old sparse_init and enable new one
mm/sparse: add new sparse_init_nid() and sparse_init()
mm/sparse: move buffer init/fini to the common place
mm/sparse: use the new sparse buffer functions in non-vmemmap
mm/sparse: abstract sparse buffer allocations
mm/hugetlb.c: don't zero 1GiB bootmem pages
mm, page_alloc: double zone's batchsize
mm/oom_kill.c: document oom_lock
mm/hugetlb: remove gigantic page support for HIGHMEM
mm, oom: remove sleep from under oom_lock
kernel/dma: remove unsupported gfp_mask parameter from dma_alloc_from_contiguous()
mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
...
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When perf profiling a wide variety of different workloads, it was found
that vmacache_find() had higher than expected cost: up to 0.08% of cpu
utilization in some cases. This was found to rival other core VM
functions such as alloc_pages_vma() with thp enabled and default
mempolicy, and the conditionals in __get_vma_policy().
VMACACHE_HASH() determines which of the four per-task_struct slots a vma
is cached for a particular address. This currently depends on the pfn,
so pfn 5212 occupies a different vmacache slot than its neighboring pfn
5213.
vmacache_find() iterates through all four of current's vmacache slots
when looking up an address. Hashing based on pfn, an address has
~1/VMACACHE_SIZE chance of being cached in the first vmacache slot, or
about 25%, *if* the vma is cached.
This patch hashes an address by its pmd instead of pte to optimize for
workloads with good spatial locality. This results in a higher
probability of vmas being cached in the first slot that is checked:
normally ~70% on the same workloads instead of 25%.
[rientjes@google.com: various updates]
Link: http://lkml.kernel.org/r/alpine.DEB.2.21.1807231532290.109445@chino.kir.corp.google.com
Link: http://lkml.kernel.org/r/alpine.DEB.2.21.1807091749150.114630@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Provide list_lru_shrink_walk_irq() and let it behave like
list_lru_walk_one() except that it locks the spinlock with
spin_lock_irq(). This is used by scan_shadow_nodes() because its lock
nests within the i_pages lock which is acquired with IRQ. This change
allows to use proper locking promitives instead hand crafted
lock_irq_disable() plus spin_lock().
There is no EXPORT_SYMBOL provided because the current user is in-kernel
only.
Add list_lru_shrink_walk_irq() which acquires the spinlock with the
proper locking primitives.
Link: http://lkml.kernel.org/r/20180716111921.5365-5-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Rename new_sparse_init() to sparse_init() which enables it. Delete old
sparse_init() and all the code that became obsolete with.
[pasha.tatashin@oracle.com: remove unused sparse_mem_maps_populate_node()]
Link: http://lkml.kernel.org/r/20180716174447.14529-6-pasha.tatashin@oracle.com
Link: http://lkml.kernel.org/r/20180712203730.8703-6-pasha.tatashin@oracle.com
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Tested-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Tested-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com>
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now that both variants of sparse memory use the same buffers to populate
memory map, we can move sparse_buffer_init()/sparse_buffer_fini() to the
common place.
Link: http://lkml.kernel.org/r/20180712203730.8703-4-pasha.tatashin@oracle.com
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Tested-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Tested-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com>
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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