around. Highlights include:
- Conversion of a bunch of security documentation into RST
- The conversion of the remaining DocBook templates by The Amazing
Mauro Machine. We can now drop the entire DocBook build chain.
- The usual collection of fixes and minor updates.
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Merge tag 'docs-4.13' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"There has been a fair amount of activity in the docs tree this time
around. Highlights include:
- Conversion of a bunch of security documentation into RST
- The conversion of the remaining DocBook templates by The Amazing
Mauro Machine. We can now drop the entire DocBook build chain.
- The usual collection of fixes and minor updates"
* tag 'docs-4.13' of git://git.lwn.net/linux: (90 commits)
scripts/kernel-doc: handle DECLARE_HASHTABLE
Documentation: atomic_ops.txt is core-api/atomic_ops.rst
Docs: clean up some DocBook loose ends
Make the main documentation title less Geocities
Docs: Use kernel-figure in vidioc-g-selection.rst
Docs: fix table problems in ras.rst
Docs: Fix breakage with Sphinx 1.5 and upper
Docs: Include the Latex "ifthen" package
doc/kokr/howto: Only send regression fixes after -rc1
docs-rst: fix broken links to dynamic-debug-howto in kernel-parameters
doc: Document suitability of IBM Verse for kernel development
Doc: fix a markup error in coding-style.rst
docs: driver-api: i2c: remove some outdated information
Documentation: DMA API: fix a typo in a function name
Docs: Insert missing space to separate link from text
doc/ko_KR/memory-barriers: Update control-dependencies example
Documentation, kbuild: fix typo "minimun" -> "minimum"
docs: Fix some formatting issues in request-key.rst
doc: ReSTify keys-trusted-encrypted.txt
doc: ReSTify keys-request-key.txt
...
Here is the "big" char/misc driver patchset for 4.13-rc1.
Lots of stuff in here, a large thunderbolt update, w1 driver header
reorg, the new mux driver subsystem, google firmware driver updates, and
a raft of other smaller things. Full details in the shortlog.
All of these have been in linux-next for a while with the only reported
issue being a merge problem with this tree and the jc-docs tree in the
w1 documentation area. The fix should be obvious for what to do when it
happens, if not, we can send a follow-up patch for it afterward.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the "big" char/misc driver patchset for 4.13-rc1.
Lots of stuff in here, a large thunderbolt update, w1 driver header
reorg, the new mux driver subsystem, google firmware driver updates,
and a raft of other smaller things. Full details in the shortlog.
All of these have been in linux-next for a while with the only
reported issue being a merge problem with this tree and the jc-docs
tree in the w1 documentation area"
* tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (147 commits)
misc: apds990x: Use sysfs_match_string() helper
mei: drop unreachable code in mei_start
mei: validate the message header only in first fragment.
DocBook: w1: Update W1 file locations and names in DocBook
mux: adg792a: always require I2C support
nvmem: rockchip-efuse: add support for rk322x-efuse
nvmem: core: add locking to nvmem_find_cell
nvmem: core: Call put_device() in nvmem_unregister()
nvmem: core: fix leaks on registration errors
nvmem: correct Broadcom OTP controller driver writes
w1: Add subsystem kernel public interface
drivers/fsi: Add module license to core driver
drivers/fsi: Use asynchronous slave mode
drivers/fsi: Add hub master support
drivers/fsi: Add SCOM FSI client device driver
drivers/fsi/gpio: Add tracepoints for GPIO master
drivers/fsi: Add GPIO based FSI master
drivers/fsi: Document FSI master sysfs files in ABI
drivers/fsi: Add error handling for slave
drivers/fsi: Add tracepoints for low-level operations
...
Here is the big driver core update for 4.13-rc1.
The large majority of this is a lot of cleanup of old fields in the
driver core structures and their remaining usages in random drivers.
All of those fixes have been reviewed by the various subsystem
maintainers. There's also some small firmware updates in here, a new
kobject uevent api interface that makes userspace interaction easier,
and a few other minor things.
All of these have been in linux-next for a long while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big driver core update for 4.13-rc1.
The large majority of this is a lot of cleanup of old fields in the
driver core structures and their remaining usages in random drivers.
All of those fixes have been reviewed by the various subsystem
maintainers. There's also some small firmware updates in here, a new
kobject uevent api interface that makes userspace interaction easier,
and a few other minor things.
All of these have been in linux-next for a long while with no reported
issues"
* tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (56 commits)
arm: mach-rpc: ecard: fix build error
zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()
driver-core: remove struct bus_type.dev_attrs
powerpc: vio_cmo: use dev_groups and not dev_attrs for bus_type
powerpc: vio: use dev_groups and not dev_attrs for bus_type
USB: usbip: convert to use DRIVER_ATTR_RW
s390: drivers: convert to use DRIVER_ATTR_RO/WO
platform: thinkpad_acpi: convert to use DRIVER_ATTR_RO/RW
pcmcia: ds: convert to use DRIVER_ATTR_RO
wireless: ipw2x00: convert to use DRIVER_ATTR_RW
net: ehea: convert to use DRIVER_ATTR_RO
net: caif: convert to use DRIVER_ATTR_RO
TTY: hvc: convert to use DRIVER_ATTR_RW
PCI: pci-driver: convert to use DRIVER_ATTR_WO
IB: nes: convert to use DRIVER_ATTR_RW
HID: hid-core: convert to use DRIVER_ATTR_RO and drv_groups
arm: ecard: fix dev_groups patch typo
tty: serdev: use dev_groups and not dev_attrs for bus_type
sparc: vio: use dev_groups and not dev_attrs for bus_type
hid: intel-ish-hid: use dev_groups and not dev_attrs for bus_type
...
Here is the large tty/serial patchset for 4.13-rc1.
A lot of tty and serial driver updates are in here, along with some
fixups for some __get/put_user usages that were reported. Nothing huge,
just lots of development by a number of different developers, full
details in the shortlog.
All of these have been in linux-next for a while. There will be a merge
issue with the arm-soc tree in the include/linux/platform_data/atmel.h
file. Stephen has sent out a fixup for it, so it shouldn't be that
difficult to merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the large tty/serial patchset for 4.13-rc1.
A lot of tty and serial driver updates are in here, along with some
fixups for some __get/put_user usages that were reported. Nothing
huge, just lots of development by a number of different developers,
full details in the shortlog.
All of these have been in linux-next for a while"
* tag 'tty-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (71 commits)
tty: serial: lpuart: add a more accurate baud rate calculation method
tty: serial: lpuart: add earlycon support for imx7ulp
tty: serial: lpuart: add imx7ulp support
dt-bindings: serial: fsl-lpuart: add i.MX7ULP support
tty: serial: lpuart: add little endian 32 bit register support
tty: serial: lpuart: refactor lpuart32_{read|write} prototype
tty: serial: lpuart: introduce lpuart_soc_data to represent SoC property
serial: imx-serial - move DMA buffer configuration to DT
serial: imx: Enable RTSD only when needed
serial: imx: Remove unused members from imx_port struct
serial: 8250: 8250_omap: Fix race b/w dma completion and RX timeout
serial: 8250: Fix THRE flag usage for CAP_MINI
tty/serial: meson_uart: update to stable bindings
dt-bindings: serial: Add bindings for the Amlogic Meson UARTs
serial: Delete dead code for CIR serial ports
serial: sirf: make of_device_ids const
serial/mpsc: switch to dma_alloc_attrs
tty: serial: Add Actions Semi Owl UART earlycon
dt-bindings: serial: Document Actions Semi Owl UARTs
tty/serial: atmel: make the driver DT only
...
Here's the large set of staging and iio driver patches for 4.13-rc1.
After over 500 patches, we removed about 200 more lines of code than we
added, not great, but we added some new IIO drivers for unsupported
hardware, so it's an overall win.
Also here are lots of small fixes, and some tty core api additions (with
the tty maintainer's ack) for the speakup drivers, those are finally
getting some much needed cleanups and are looking much better now than
before. Full details in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here's the large set of staging and iio driver patches for 4.13-rc1.
After over 500 patches, we removed about 200 more lines of code than
we added, not great, but we added some new IIO drivers for unsupported
hardware, so it's an overall win.
Also here are lots of small fixes, and some tty core api additions
(with the tty maintainer's ack) for the speakup drivers, those are
finally getting some much needed cleanups and are looking much better
now than before. Full details in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (529 commits)
staging: lustre: replace kmalloc with kmalloc_array
Staging: ion: fix code style warning from NULL comparisons
staging: fsl-mc: make dprc.h header private
staging: fsl-mc: move mc-cmd.h contents in the public header
staging: fsl-mc: move mc-sys.h contents in the public header
staging: fsl-mc: fix a few implicit includes
staging: fsl-mc: remove dpmng API files
staging: fsl-mc: move rest of mc-bus.h to private header
staging: fsl-mc: move couple of definitions to public header
staging: fsl-mc: move irq domain creation prototype to public header
staging: fsl-mc: turn several exported functions static
staging: fsl-mc: delete prototype of unimplemented function
staging: fsl-mc: delete duplicated function prototypes
staging: fsl-mc: decouple the mc-bus public headers from dprc.h
staging: fsl-mc: drop useless #includes
staging: fsl-mc: be consistent when checking strcmp() return
staging: fsl-mc: move comparison before strcmp() call
staging: speakup: make function ser_to_dev static
staging: ks7010: fix spelling mistake: "errror" -> "error"
staging: rtl8192e: fix spelling mistake: "respose" -> "response"
...
Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
On the PHY side, they decided to move files around to "make things
easier" in their tree. Hopefully that wasn't a mistake, but in
linux-next testing, we haven't had any reported problems.
There's the usual set of gadget and xhci and musb updates in here as
well, along with a number of smaller updates for a raft of different USB
drivers. Full details in the shortlog, nothing really major.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
On the PHY side, they decided to move files around to "make things
easier" in their tree. Hopefully that wasn't a mistake, but in
linux-next testing, we haven't had any reported problems.
There's the usual set of gadget and xhci and musb updates in here as
well, along with a number of smaller updates for a raft of different
USB drivers. Full details in the shortlog, nothing really major.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (173 commits)
Add USB quirk for HVR-950q to avoid intermittent device resets
USB hub_probe: rework ugly goto-into-compound-statement
usb: host: ohci-pxa27x: Handle return value of clk_prepare_enable
USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
usbip: Fix uninitialized variable bug in vhci
usb: core: read USB ports from DT in the usbport LED trigger driver
dt-bindings: leds: document new trigger-sources property
usb: typec: ucsi: Add ACPI driver
usb: typec: Add support for UCSI interface
usb: musb: compress return logic into one line
USB: serial: propagate late probe errors
USB: serial: refactor port endpoint setup
usb: musb: tusb6010_omap: Convert to DMAengine API
ARM: OMAP2+: DMA: Add slave map entries for 24xx external request lines
usb: musb: tusb6010: Handle DMA TX completion in DMA callback as well
usb: musb: tusb6010_omap: Allocate DMA channels upfront
usb: musb: tusb6010_omap: Create new struct for DMA data/parameters
usb: musb: tusb6010_omap: Use one musb_ep_select call in tusb_omap_dma_program
usb: musb: tusb6010: Add MUSB_G_NO_SKB_RESERVE to quirks
usb: musb: Add quirk to avoid skb reserve in gadget mode
...
Pull RAS updates from Thomas Gleixner:
"The RAS updates for the 4.13 merge window:
- Cleanup of the MCE injection facility (Borsilav Petkov)
- Rework of the AMD/SMCA handling (Yazen Ghannam)
- Enhancements for ACPI/APEI to handle new notitication types (Shiju
Jose)
- atomic_t to refcount_t conversion (Elena Reshetova)
- A few fixes and enhancements all over the place"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
RAS/CEC: Check the correct variable in the debugfs error handling
x86/mce: Always save severity in machine_check_poll()
x86/MCE, xen/mcelog: Make /dev/mcelog registration messages more precise
x86/mce: Update bootlog description to reflect behavior on AMD
x86/mce: Don't disable MCA banks when offlining a CPU on AMD
x86/mce/mce-inject: Preset the MCE injection struct
x86/mce: Clean up include files
x86/mce: Get rid of register_mce_write_callback()
x86/mce: Merge mce_amd_inj into mce-inject
x86/mce/AMD: Use saved threshold block info in interrupt handler
x86/mce/AMD: Use msr_stat when clearing MCA_STATUS
x86/mce/AMD: Carve out SMCA bank configuration
x86/mce/AMD: Redo error logging from APIC LVT interrupt handlers
x86/mce: Convert threshold_bank.cpus from atomic_t to refcount_t
RAS: Make local function parse_ras_param() static
ACPI/APEI: Handle GSIV and GPIO notification types
Pull SMP hotplug updates from Thomas Gleixner:
"This update is primarily a cleanup of the CPU hotplug locking code.
The hotplug locking mechanism is an open coded RWSEM, which allows
recursive locking. The main problem with that is the recursive nature
as it evades the full lockdep coverage and hides potential deadlocks.
The rework replaces the open coded RWSEM with a percpu RWSEM and
establishes full lockdep coverage that way.
The bulk of the changes fix up recursive locking issues and address
the now fully reported potential deadlocks all over the place. Some of
these deadlocks have been observed in the RT tree, but on mainline the
probability was low enough to hide them away."
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
cpu/hotplug: Constify attribute_group structures
powerpc: Only obtain cpu_hotplug_lock if called by rtasd
ARM/hw_breakpoint: Fix possible recursive locking for arch_hw_breakpoint_init
cpu/hotplug: Remove unused check_for_tasks() function
perf/core: Don't release cred_guard_mutex if not taken
cpuhotplug: Link lock stacks for hotplug callbacks
acpi/processor: Prevent cpu hotplug deadlock
sched: Provide is_percpu_thread() helper
cpu/hotplug: Convert hotplug locking to percpu rwsem
s390: Prevent hotplug rwsem recursion
arm: Prevent hotplug rwsem recursion
arm64: Prevent cpu hotplug rwsem recursion
kprobes: Cure hotplug lock ordering issues
jump_label: Reorder hotplug lock and jump_label_lock
perf/tracing/cpuhotplug: Fix locking order
ACPI/processor: Use cpu_hotplug_disable() instead of get_online_cpus()
PCI: Replace the racy recursion prevention
PCI: Use cpu_hotplug_disable() instead of get_online_cpus()
perf/x86/intel: Drop get_online_cpus() in intel_snb_check_microcode()
x86/perf: Drop EXPORT of perf_check_microcode
...
Pull x86 timers updates from Thomas Gleixner:
"This update contains:
- The solution for the TSC deadline timer borkage, which is caused by
a hardware problem in the TSC_ADJUST/TSC_DEADLINE_TIMER logic.
The problem is documented now and fixed with a microcode update, so
we can remove the workaround and just check for the microcode version.
If the microcode is not up to date, then the TSC deadline timer is
disabled. If the borkage is fixed by the proper microcode version,
then the deadline timer can be used. In both cases the restrictions
to the range of the TSC_ADJUST value, which were added as
workarounds, are removed.
- A few simple fixes and updates to the timer related x86 code"
* 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Call check_system_tsc_reliable() before unsynchronized_tsc()
x86/hpet: Do not use smp_processor_id() in preemptible code
x86/time: Make setup_default_timer_irq() static
x86/tsc: Remove the TSC_ADJUST clamp
x86/apic: Add TSC_DEADLINE quirk due to errata
x86/apic: Change the lapic name in deadline mode
Pull x86 PCI updates from Thomas Gleixner:
"This update provides the seperation of x86 PCI accessors from the
global PCI lock in the generic PCI config space accessors.
The reasons for this are:
- x86 has it's own PCI config lock for various reasons, so the
accessors have to lock two locks nested.
- The ECAM (mmconfig) access to the extended configuration space does
not require locking. The existing generic locking causes a massive
lock contention when accessing the extended config space of the
Uncore facility for performance monitoring.
The commit which switched the access to the primary config space over
to ECAM mode has been removed from the branch, so the primary config
space is still accessed with type1 accessors properly serialized by
the x86 internal locking.
Bjorn agreed on merging this through the x86 tree"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/PCI: Select CONFIG_PCI_LOCKLESS_CONFIG
PCI: Provide Kconfig option for lockless config space accessors
x86/PCI/ce4100: Properly lock accessor functions
x86/PCI: Abort if legacy init fails
x86/PCI: Remove duplicate defines
Pull irq updates from Thomas Gleixner:
"The irq department delivers:
- Expand the generic infrastructure handling the irq migration on CPU
hotplug and convert X86 over to it. (Thomas Gleixner)
Aside of consolidating code this is a preparatory change for:
- Finalizing the affinity management for multi-queue devices. The
main change here is to shut down interrupts which are affine to a
outgoing CPU and reenabling them when the CPU comes online again.
That avoids moving interrupts pointlessly around and breaking and
reestablishing affinities for no value. (Christoph Hellwig)
Note: This contains also the BLOCK-MQ and NVME changes which depend
on the rework of the irq core infrastructure. Jens acked them and
agreed that they should go with the irq changes.
- Consolidation of irq domain code (Marc Zyngier)
- State tracking consolidation in the core code (Jeffy Chen)
- Add debug infrastructure for hierarchical irq domains (Thomas
Gleixner)
- Infrastructure enhancement for managing generic interrupt chips via
devmem (Bartosz Golaszewski)
- Constification work all over the place (Tobias Klauser)
- Two new interrupt controller drivers for MVEBU (Thomas Petazzoni)
- The usual set of fixes, updates and enhancements all over the
place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (112 commits)
irqchip/or1k-pic: Fix interrupt acknowledgement
irqchip/irq-mvebu-gicp: Allocate enough memory for spi_bitmap
irqchip/gic-v3: Fix out-of-bound access in gic_set_affinity
nvme: Allocate queues for all possible CPUs
blk-mq: Create hctx for each present CPU
blk-mq: Include all present CPUs in the default queue mapping
genirq: Avoid unnecessary low level irq function calls
genirq: Set irq masked state when initializing irq_desc
genirq/timings: Add infrastructure for estimating the next interrupt arrival time
genirq/timings: Add infrastructure to track the interrupt timings
genirq/debugfs: Remove pointless NULL pointer check
irqchip/gic-v3-its: Don't assume GICv3 hardware supports 16bit INTID
irqchip/gic-v3-its: Add ACPI NUMA node mapping
irqchip/gic-v3-its-platform-msi: Make of_device_ids const
irqchip/gic-v3-its: Make of_device_ids const
irqchip/irq-mvebu-icu: Add new driver for Marvell ICU
irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP
dt-bindings/interrupt-controller: Add DT binding for the Marvell ICU
genirq/irqdomain: Remove auto-recursive hierarchy support
irqchip/MSI: Use irq_domain_update_bus_token instead of an open coded access
...
Pull timer updates from Thomas Gleixner:
"A rather large update for timers/timekeeping:
- compat syscall consolidation (Al Viro)
- Posix timer consolidation (Christoph Helwig / Thomas Gleixner)
- Cleanup of the device tree based initialization for clockevents and
clocksources (Daniel Lezcano)
- Consolidation of the FTTMR010 clocksource/event driver (Linus
Walleij)
- The usual set of small fixes and updates all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (93 commits)
timers: Make the cpu base lock raw
clocksource/drivers/mips-gic-timer: Fix an error code in 'gic_clocksource_of_init()'
clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap
clocksource/drivers/tcb_clksrc: Make IO endian agnostic
clocksource/drivers/sun4i: Switch to the timer-of common init
clocksource/drivers/timer-of: Fix invalid iomap check
Revert "ktime: Simplify ktime_compare implementation"
clocksource/drivers: Fix uninitialized variable use in timer_of_init
kselftests: timers: Add test for frequency step
kselftests: timers: Fix inconsistency-check to not ignore first timestamp
time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD
time: Clean up CLOCK_MONOTONIC_RAW time handling
posix-cpu-timers: Make timespec to nsec conversion safe
itimer: Make timeval to nsec conversion range limited
timers: Fix parameter description of try_to_del_timer_sync()
ktime: Simplify ktime_compare implementation
clocksource/drivers/fttmr010: Factor out clock read code
clocksource/drivers/fttmr010: Implement delay timer
clocksource/drivers: Add timer-of common init routine
clocksource/drivers/tcb_clksrc: Save timer context on suspend/resume
...
Pull s390 updates from Martin Schwidefsky:
"The bulk of the s390 patches for 4.13. Some new things but mostly bug
fixes and cleanups. Noteworthy changes:
- The SCM block driver is converted to blk-mq
- Switch s390 to 5 level page tables. The virtual address space for a
user space process can now have up to 16EB-4KB.
- Introduce a ELF phdr flag for qemu to avoid the global
vm.alloc_pgste which forces all processes to large page tables
- A couple of PCI improvements to improve error recovery
- Included is the merge of the base support for proper machine checks
for KVM"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (52 commits)
s390/dasd: Fix faulty ENODEV for RO sysfs attribute
s390/pci: recognize name clashes with uids
s390/pci: provide more debug information
s390/pci: fix handling of PEC 306
s390/pci: improve pci hotplug
s390/pci: introduce clp_get_state
s390/pci: improve error handling during fmb (de)registration
s390/pci: improve unreg_ioat error handling
s390/pci: improve error handling during interrupt deregistration
s390/pci: don't cleanup in arch_setup_msi_irqs
KVM: s390: Backup the guest's machine check info
s390/nmi: s390: New low level handling for machine check happening in guest
s390/fpu: export save_fpu_regs for all configs
s390/kvm: avoid global config of vm.alloc_pgste=1
s390: rename struct psw_bits members
s390: rename psw_bits enums
s390/mm: use correct address space when enabling DAT
s390/cio: introduce io_subchannel_type
s390/ipl: revert Load Normal semantics for LPAR CCW-type re-IPL
s390/dumpstack: remove raw stack dump
...
Pull parisc updates from Helge Deller:
"Main changes are:
- Added support to the parisc dma functions to return DMA_ERROR_CODE
if DMA isn't possible. This fixes a long standing kernel crash if
parport_pc is enabled (by Thomas Bogendoerfer, marked for stable
series).
- Use the compat_sys_keyctl() in compat mode (by Eric Biggers, marked
for stable series).
- Initial support for the Page Deallocation Table (PDT) which is
maintained by firmware and holds the list of memory addresses which
had physical errors. By checking that list we can prevent Linux to
use those broken memory areas.
- Ensure IRQs are off in switch_mm().
- Report SIGSEGV instead of SIGBUS when running out of stack.
- Mark the cr16 clocksource stable on single-socket and single-core
machines"
* 'parisc-4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: DMA API: return error instead of BUG_ON for dma ops on non dma devs
parisc: Report SIGSEGV instead of SIGBUS when running out of stack
parisc: use compat_sys_keyctl()
parisc: Don't hardcode PSW values in hpmc code
parisc: Don't hardcode PSW values in gsc_*() functions
parisc: Avoid zeroing gr[0] in fixup_exception()
parisc/mm: Ensure IRQs are off in switch_mm()
parisc: Add Page Deallocation Table (PDT) support
parisc: Enhance detection of synchronous cr16 clocksources
parisc: Drop per_cpu uaccess related exception_data struct
parisc: Inline trivial exception code in lusercopy.S
Pull x86 mm updates from Ingo Molnar:
"The main changes in this cycle were:
- Continued work to add support for 5-level paging provided by future
Intel CPUs. In particular we switch the x86 GUP code to the generic
implementation. (Kirill A. Shutemov)
- Continued work to add PCID CPU support to native kernels as well.
In this round most of the focus is on reworking/refreshing the TLB
flush infrastructure for the upcoming PCID changes. (Andy
Lutomirski)"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
x86/mm: Delete a big outdated comment about TLB flushing
x86/mm: Don't reenter flush_tlb_func_common()
x86/KASLR: Fix detection 32/64 bit bootloaders for 5-level paging
x86/ftrace: Exclude functions in head64.c from function-tracing
x86/mmap, ASLR: Do not treat unlimited-stack tasks as legacy mmap
x86/mm: Remove reset_lazy_tlbstate()
x86/ldt: Simplify the LDT switching logic
x86/boot/64: Put __startup_64() into .head.text
x86/mm: Add support for 5-level paging for KASLR
x86/mm: Make kernel_physical_mapping_init() support 5-level paging
x86/mm: Add sync_global_pgds() for configuration with 5-level paging
x86/boot/64: Add support of additional page table level during early boot
x86/boot/64: Rename init_level4_pgt and early_level4_pgt
x86/boot/64: Rewrite startup_64() in C
x86/boot/compressed: Enable 5-level paging during decompression stage
x86/boot/efi: Define __KERNEL32_CS GDT on 64-bit configurations
x86/boot/efi: Fix __KERNEL_CS definition of GDT entry on 64-bit configurations
x86/boot/efi: Cleanup initialization of GDT entries
x86/asm: Fix comment in return_from_SYSCALL_64()
x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation
...
Pull x86 microcode updates from Ingo Molnar:
"The main changes are a fix early microcode application for
resume-from-RAM, plus a 32-bit initrd placement fix - by Borislav
Petkov"
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Make a couple of symbols static
x86/microcode/intel: Save pointer to ucode patch for early AP loading
x86/microcode: Look for the initrd at the correct address on 32-bit
Pull x86 hyperv updates from Ingo Molnar:
"Avoid boot time TSC calibration on Hyper-V hosts, to improve
calibration robustness. (Vitaly Kuznetsov)"
* 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hyperv: Read TSC frequency from a synthetic MSR
x86/hyperv: Check frequency MSRs presence according to the specification
Pull x86 debug update from Ingo Molnar:
"A single fix for an off-by one bug in test_nmi_ipi() that probably
doesn't matter in practice"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Fix timeout test in test_nmi_ipi()
Pull x86 cleanups from Ingo Molnar:
"Two small cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/paravirt: Remove unnecessary return from void function
x86/boot: Add missing strchr() declaration
Pull x86 boot updates from Ingo Molnar:
"The main changes in this cycle were KASLR improvements for rare
environments with special boot options, by Baoquan He. Also misc
smaller changes/cleanups"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Extend the lower bound of crash kernel low reservations
x86/boot: Remove unused copy_*_gs() functions
x86/KASLR: Use the right memcpy() implementation
Documentation/kernel-parameters.txt: Update 'memmap=' boot option description
x86/KASLR: Handle the memory limit specified by the 'memmap=' and 'mem=' boot options
x86/KASLR: Parse all 'memmap=' boot option entries
Pull x86 asm updates from Ingo Molnar:
"A single commit micro-optimizing short user copies on certain Intel
CPUs"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/uaccess: Optimize copy_user_enhanced_fast_string() for short strings
Pull x86 apic updates from Ingo Molnar:
"Janitorial changes: removal of an unused function plus __init
annotations"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Make arch_init_msi/htirq_domain __init
x86/apic: Make init_legacy_irqs() __init
x86/ioapic: Remove unused IO_APIC_irq_trigger() function
Pull scheduler updates from Ingo Molnar:
"The main changes in this cycle were:
- Add the SYSTEM_SCHEDULING bootup state to move various scheduler
debug checks earlier into the bootup. This turns silent and
sporadically deadly bugs into nice, deterministic splats. Fix some
of the splats that triggered. (Thomas Gleixner)
- A round of restructuring and refactoring of the load-balancing and
topology code (Peter Zijlstra)
- Another round of consolidating ~20 of incremental scheduler code
history: this time in terms of wait-queue nomenclature. (I didn't
get much feedback on these renaming patches, and we can still
easily change any names I might have misplaced, so if anyone hates
a new name, please holler and I'll fix it.) (Ingo Molnar)
- sched/numa improvements, fixes and updates (Rik van Riel)
- Another round of x86/tsc scheduler clock code improvements, in hope
of making it more robust (Peter Zijlstra)
- Improve NOHZ behavior (Frederic Weisbecker)
- Deadline scheduler improvements and fixes (Luca Abeni, Daniel
Bristot de Oliveira)
- Simplify and optimize the topology setup code (Lauro Ramos
Venancio)
- Debloat and decouple scheduler code some more (Nicolas Pitre)
- Simplify code by making better use of llist primitives (Byungchul
Park)
- ... plus other fixes and improvements"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (103 commits)
sched/cputime: Refactor the cputime_adjust() code
sched/debug: Expose the number of RT/DL tasks that can migrate
sched/numa: Hide numa_wake_affine() from UP build
sched/fair: Remove effective_load()
sched/numa: Implement NUMA node level wake_affine()
sched/fair: Simplify wake_affine() for the single socket case
sched/numa: Override part of migrate_degrades_locality() when idle balancing
sched/rt: Move RT related code from sched/core.c to sched/rt.c
sched/deadline: Move DL related code from sched/core.c to sched/deadline.c
sched/cpuset: Only offer CONFIG_CPUSETS if SMP is enabled
sched/fair: Spare idle load balancing on nohz_full CPUs
nohz: Move idle balancer registration to the idle path
sched/loadavg: Generalize "_idle" naming to "_nohz"
sched/core: Drop the unused try_get_task_struct() helper function
sched/fair: WARN() and refuse to set buddy when !se->on_rq
sched/debug: Fix SCHED_WARN_ON() to return a value on !CONFIG_SCHED_DEBUG as well
sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
sched/wait: Move bit_wait_table[] and related functionality from sched/core.c to sched/wait_bit.c
sched/wait: Split out the wait_bit*() APIs from <linux/wait.h> into <linux/wait_bit.h>
sched/wait: Re-adjust macro line continuation backslashes in <linux/wait.h>
...
Pull perf updates from Ingo Molnar:
"Most of the changes are for tooling, the main changes in this cycle were:
- Improve Intel-PT hardware tracing support, both on the kernel and
on the tooling side: PTWRITE instruction support, power events for
C-state tracing, etc. (Adrian Hunter)
- Add support to measure SMI cost to the x86 architecture, with
tooling support in 'perf stat' (Kan Liang)
- Support function filtering in 'perf ftrace', plus related
improvements (Namhyung Kim)
- Allow adding and removing fields to the default 'perf script'
columns, using + or - as field prefixes to do so (Andi Kleen)
- Allow resolving the DSO name with 'perf script -F brstack{sym,off},dso'
(Mark Santaniello)
- Add perf tooling unwind support for PowerPC (Paolo Bonzini)
- ... and various other improvements as well"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (84 commits)
perf auxtrace: Add CPU filter support
perf intel-pt: Do not use TSC packets for calculating CPU cycles to TSC
perf intel-pt: Update documentation to include new ptwrite and power events
perf intel-pt: Add example script for power events and PTWRITE
perf intel-pt: Synthesize new power and "ptwrite" events
perf intel-pt: Move code in intel_pt_synth_events() to simplify attr setting
perf intel-pt: Factor out intel_pt_set_event_name()
perf intel-pt: Tidy messages into called function intel_pt_synth_event()
perf intel-pt: Tidy Intel PT evsel lookup into separate function
perf intel-pt: Join needlessly wrapped lines
perf intel-pt: Remove unused instructions_sample_period
perf intel-pt: Factor out common code synthesizing event samples
perf script: Add synthesized Intel PT power and ptwrite events
perf/x86/intel: Constify the 'lbr_desc[]' array and make a function static
perf script: Add 'synth' field for synthesized event payloads
perf auxtrace: Add itrace option to output power events
perf auxtrace: Add itrace option to output ptwrite events
tools include: Add byte-swapping macros to kernel.h
perf script: Add 'synth' event type for synthesized events
x86/insn: perf tools: Add new ptwrite instruction
...
Pull locking updates from Ingo Molnar:
"The main changes in this cycle were:
- Add CONFIG_REFCOUNT_FULL=y to allow the disabling of the 'full'
(robustness checked) refcount_t implementation with slightly lower
runtime overhead. (Kees Cook)
The lighter weight variant is the default. The two variants use the
same API. Having this variant was a precondition by some
maintainers to merge refcount_t cleanups.
- Add lockdep support for rtmutexes (Peter Zijlstra)
- liblockdep fixes and improvements (Sasha Levin, Ben Hutchings)
- ... misc fixes and improvements"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
locking/refcount: Remove the half-implemented refcount_sub() API
locking/refcount: Create unchecked atomic_t implementation
locking/rtmutex: Don't initialize lockdep when not required
locking/selftest: Add RT-mutex support
locking/selftest: Remove the bad unlock ordering test
rt_mutex: Add lockdep annotations
MAINTAINERS: Claim atomic*_t maintainership
locking/x86: Remove the unused atomic_inc_short() methd
tools/lib/lockdep: Remove private kernel headers
tools/lib/lockdep: Hide liblockdep output from test results
tools/lib/lockdep: Add dummy current_gfp_context()
tools/include: Add IS_ERR_OR_NULL to err.h
tools/lib/lockdep: Add empty __is_[module,kernel]_percpu_address
tools/lib/lockdep: Include err.h
tools/include: Add (mostly) empty include/linux/sched/mm.h
tools/lib/lockdep: Use LDFLAGS
tools/lib/lockdep: Remove double-quotes from soname
tools/lib/lockdep: Fix object file paths used in an out-of-tree build
tools/lib/lockdep: Fix compilation for 4.11
tools/lib/lockdep: Don't mix fd-based and stream IO
...
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Rework the EFI capsule loader to allow for workarounds for
non-compliant firmware (Ard Biesheuvel)
- Implement a capsule loader quirk for Quark X102x (Jan Kiszka)
- Enable SMBIOS/DMI support for the ARM architecture (Ard Biesheuvel)
- Add CONFIG_EFI_PGT_DUMP=y support for x86-32 and kexec (Sai
Praneeth)
- Fixes for EFI support for Xen dom0 guests running under x86-64
hosts (Daniel Kiper)"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen/efi: Initialize only the EFI struct members used by Xen
efi: Process the MEMATTR table only if EFI_MEMMAP is enabled
efi/arm: Enable DMI/SMBIOS
x86/efi: Extend CONFIG_EFI_PGT_DUMP support to x86_32 and kexec as well
efi/efi_test: Use memdup_user() helper
efi/capsule: Add support for Quark security header
efi/capsule-loader: Use page addresses rather than struct page pointers
efi/capsule-loader: Redirect calls to efi_capsule_setup_info() via weak alias
efi/capsule: Remove NULL test on kmap()
efi/capsule-loader: Use a cached copy of the capsule header
efi/capsule: Adjust return type of efi_capsule_setup_info()
efi/capsule: Clean up pr_err/_info() messages
efi/capsule: Remove pr_debug() on ENOMEM or EFAULT
efi/capsule: Fix return code on failing kmap/vmap
Pull RCU updates from Ingo Molnar:
"The sole purpose of these changes is to shrink and simplify the RCU
code base, which has suffered from creeping bloat over the past couple
of years. The end result is a net removal of ~2700 lines of code:
79 files changed, 1496 insertions(+), 4211 deletions(-)
Plus there's a marked reduction in the Kconfig space complexity as
well, here's the number of matches on 'grep RCU' in the .config:
before after
x86-defconfig 17 15
x86-allmodconfig 33 20"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (86 commits)
rcu: Remove RCU CPU stall warnings from Tiny RCU
rcu: Remove event tracing from Tiny RCU
rcu: Move RCU debug Kconfig options to kernel/rcu
rcu: Move RCU non-debug Kconfig options to kernel/rcu
rcu: Eliminate NOCBs CPU-state Kconfig options
rcu: Remove debugfs tracing
srcu: Remove Classic SRCU
srcu: Fix rcutorture-statistics typo
rcu: Remove SPARSE_RCU_POINTER Kconfig option
rcu: Remove the now-obsolete PROVE_RCU_REPEATEDLY Kconfig option
rcu: Remove typecheck() from RCU locking wrapper functions
rcu: Remove #ifdef moving rcu_end_inkernel_boot from rcupdate.h
rcu: Remove nohz_full full-system-idle state machine
rcu: Remove the RCU_KTHREAD_PRIO Kconfig option
rcu: Remove *_SLOW_* Kconfig options
srcu: Use rnp->lock wrappers to replace explicit memory barriers
rcu: Move rnp->lock wrappers for SRCU use
rcu: Convert rnp->lock wrappers to macros for SRCU use
rcu: Refactor #includes from include/linux/rcupdate.h
bcm47xx: Fix build regression
...
Pull objtool updates from Ingo Molnar:
"This is an extensive rewrite of the objdump tool to track all stack
pointer modifications through the machine instructions of disassembled
functions found in kernel .o files.
This re-design removes the prior dependency on CONFIG_FRAME_POINTERS,
with the goal to prepare the tool to generate kernel debuginfo data in
the future. There's also an increase in checking/tracking robustness
as a side effect as well.
No (intended) changes to existing functionality"
* 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Silence warnings for functions which use IRET
objtool: Implement stack validation 2.0
objtool, x86: Add several functions and files to the objtool whitelist
objtool: Move checking code to check.c
* sb_edac: resolve memory controller detection issues on asymmetric
setups with not all DIMM slots being populated (Tony Luck and Qiuxu Zhuo)
* misc cleanups and fixlets all over
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Merge tag 'edac_for_4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
"Nothing earth-shattering - just the normal development flow of
cleanups, improvements, fixes and such.
Summary:
- i31200_edac: Add Kabylake support (Jason Baron)
- sb_edac: resolve memory controller detection issues on asymmetric
setups with not all DIMM slots being populated (Tony Luck and Qiuxu
Zhuo)
- misc cleanups and fixlets all over"
* tag 'edac_for_4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (22 commits)
EDAC, pnd2: Fix Apollo Lake DIMM detection
EDAC, i5000, i5400: Fix definition of NRECMEMB register
EDAC, pnd2: Make function sbi_send() static
EDAC, pnd2: Return proper error value from apl_rd_reg()
EDAC, altera: Simplify calculation of total memory
EDAC, sb_edac: Avoid creating SOCK memory controller
EDAC, mce_amd: Fix typo in SMCA error description
EDAC, mv64x60: Sanity check edac_op_state before registering
EDAC, thunderx: Fix a warning during l2c debugfs node creation
EDAC, mv64x60: Check driver registration success
EDAC, ie31200: Add Intel Kaby Lake CPU support
EDAC, mv64x60: Replace in_le32()/out_le32() with readl()/writel()
EDAC, mv64x60: Fix pdata->name
EDAC, sb_edac: Bump driver version and do some cleanups
EDAC, sb_edac: Check if ECC enabled when at least one DIMM is present
EDAC, sb_edac: Drop NUM_CHANNELS from 8 back to 4
EDAC, sb_edac: Carve out dimm-populating loop
EDAC, sb_edac: Fix mod_name
EDAC, sb_edac: Assign EDAC memory controller per h/w controller
EDAC, sb_edac: Don't use "Socket#" in the memory controller name
...
Pull core block/IO updates from Jens Axboe:
"This is the main pull request for the block layer for 4.13. Not a huge
round in terms of features, but there's a lot of churn related to some
core cleanups.
Note this depends on the UUID tree pull request, that Christoph
already sent out.
This pull request contains:
- A series from Christoph, unifying the error/stats codes in the
block layer. We now use blk_status_t everywhere, instead of using
different schemes for different places.
- Also from Christoph, some cleanups around request allocation and IO
scheduler interactions in blk-mq.
- And yet another series from Christoph, cleaning up how we handle
and do bounce buffering in the block layer.
- A blk-mq debugfs series from Bart, further improving on the support
we have for exporting internal information to aid debugging IO
hangs or stalls.
- Also from Bart, a series that cleans up the request initialization
differences across types of devices.
- A series from Goldwyn Rodrigues, allowing the block layer to return
failure if we will block and the user asked for non-blocking.
- Patch from Hannes for supporting setting loop devices block size to
that of the underlying device.
- Two series of patches from Javier, fixing various issues with
lightnvm, particular around pblk.
- A series from me, adding support for write hints. This comes with
NVMe support as well, so applications can help guide data placement
on flash to improve performance, latencies, and write
amplification.
- A series from Ming, improving and hardening blk-mq support for
stopping/starting and quiescing hardware queues.
- Two pull requests for NVMe updates. Nothing major on the feature
side, but lots of cleanups and bug fixes. From the usual crew.
- A series from Neil Brown, greatly improving the bio rescue set
support. Most notably, this kills the bio rescue work queues, if we
don't really need them.
- Lots of other little bug fixes that are all over the place"
* 'for-4.13/block' of git://git.kernel.dk/linux-block: (217 commits)
lightnvm: pblk: set line bitmap check under debug
lightnvm: pblk: verify that cache read is still valid
lightnvm: pblk: add initialization check
lightnvm: pblk: remove target using async. I/Os
lightnvm: pblk: use vmalloc for GC data buffer
lightnvm: pblk: use right metadata buffer for recovery
lightnvm: pblk: schedule if data is not ready
lightnvm: pblk: remove unused return variable
lightnvm: pblk: fix double-free on pblk init
lightnvm: pblk: fix bad le64 assignations
nvme: Makefile: remove dead build rule
blk-mq: map all HWQ also in hyperthreaded system
nvmet-rdma: register ib_client to not deadlock in device removal
nvme_fc: fix error recovery on link down.
nvmet_fc: fix crashes on bad opcodes
nvme_fc: Fix crash when nvme controller connection fails.
nvme_fc: replace ioabort msleep loop with completion
nvme_fc: fix double calls to nvme_cleanup_cmd()
nvme-fabrics: verify that a controller returns the correct NQN
nvme: simplify nvme_dev_attrs_are_visible
...
- introduce the new uuid_t/guid_t types that are going to replace
the somewhat confusing uuid_be/uuid_le types and make the terminology
fit the various specs, as well as the userspace libuuid library.
(me, based on a previous version from Amir)
- consolidated generic uuid/guid helper functions lifted from XFS
and libnvdimm (Amir and me)
- conversions to the new types and helpers (Amir, Andy and me)
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Merge tag 'uuid-for-4.13' of git://git.infradead.org/users/hch/uuid
Pull uuid subsystem from Christoph Hellwig:
"This is the new uuid subsystem, in which Amir, Andy and I have started
consolidating our uuid/guid helpers and improving the types used for
them. Note that various other subsystems have pulled in this tree, so
I'd like it to go in early.
UUID/GUID summary:
- introduce the new uuid_t/guid_t types that are going to replace the
somewhat confusing uuid_be/uuid_le types and make the terminology
fit the various specs, as well as the userspace libuuid library.
(me, based on a previous version from Amir)
- consolidated generic uuid/guid helper functions lifted from XFS and
libnvdimm (Amir and me)
- conversions to the new types and helpers (Amir, Andy and me)"
* tag 'uuid-for-4.13' of git://git.infradead.org/users/hch/uuid: (34 commits)
ACPI: hns_dsaf_acpi_dsm_guid can be static
mmc: sdhci-pci: make guid intel_dsm_guid static
uuid: Take const on input of uuid_is_null() and guid_is_null()
thermal: int340x_thermal: fix compile after the UUID API switch
thermal: int340x_thermal: Switch to use new generic UUID API
acpi: always include uuid.h
ACPI: Switch to use generic guid_t in acpi_evaluate_dsm()
ACPI / extlog: Switch to use new generic UUID API
ACPI / bus: Switch to use new generic UUID API
ACPI / APEI: Switch to use new generic UUID API
acpi, nfit: Switch to use new generic UUID API
MAINTAINERS: add uuid entry
tmpfs: generate random sb->s_uuid
scsi_debug: switch to uuid_t
nvme: switch to uuid_t
sysctl: switch to use uuid_t
partitions/ldm: switch to use uuid_t
overlayfs: use uuid_t instead of uuid_be
fs: switch ->s_uuid to uuid_t
ima/policy: switch to use uuid_t
...
DECLARE_HASHTABLE needs similar handling to DECLARE_BITMAP
because otherwise kernel-doc assumes the member name is the
second, not first macro parameter.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
When a process runs out of stack the parisc kernel wrongly faults with SIGBUS
instead of the expected SIGSEGV signal.
This example shows how the kernel faults:
do_page_fault() command='a.out' type=15 address=0xfaac2000 in libc-2.24.so[f8308000+16c000]
trap #15: Data TLB miss fault, vm_start = 0xfa2c2000, vm_end = 0xfaac2000
The vma->vm_end value is the first address which does not belong to the vma, so
adjust the check to include vma->vm_end to the range for which to send the
SIGSEGV signal.
This patch unbreaks building the debian libsigsegv package.
Cc: stable@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
Architectures with a compat syscall table must put compat_sys_keyctl()
in it, not sys_keyctl(). The parisc architecture was not doing this;
fix it.
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Pull MIPS fixes from Ralf Baechle:
"Here's a final round of fixes for 4.12:
- Fix misordered instructions in assembly code making kenel startup
via UHB unreliable.
- Fix special case of MADDF and MADDF emulation.
- Fix alignment issue in address calculation in pm-cps on 64 bit.
- Fix IRQ tracing & lockdep when rescheduling
- Systems with MAARs require post-DMA cache flushes.
The reordering fix and the MADDF/MSUBF fix have sat in linux-next for
a number of days. The others haven't propagated from my pull tree to
linux-next yet but all have survived manual testing and Imagination's
automated test system and there are no pending bug reports"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Avoid accidental raw backtrace
MIPS: Perform post-DMA cache flushes on systems with MAARs
MIPS: Fix IRQ tracing & lockdep when rescheduling
MIPS: pm-cps: Drop manual cache-line alignment of ready_count
MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately
MIPS: head: Reorder instructions missing a delay slot
Pull ARM fix from Russell King:
"One final fix for 4.12 - Doug found a boot failure case triggered by
requesting a non-even MB vmalloc size"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8685/1: ensure memblock-limit is pmd-aligned
CONFIG_REFCOUNT_FULL=y (correctly) does not provide a refcount_sub(),
which should not be part of proper refcount design patterns.
Remove the erroneous extern and the later !CONFIG_REFCOUNT_FULL
accidental implementation.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 29dee3c03a ("locking/refcounts: Out-of-line everything")
Link: http://lkml.kernel.org/r/20170701180129.GA17405@beast
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Pull x86 fixes from Thomas Gleixner:
"Fixlets for x86:
- Prevent kexec crash when KASLR is enabled, which was caused by an
address calculation bug
- Restore the freeing of PUDs on memory hot remove
- Correct a negated pointer check in the intel uncore performance
monitoring driver
- Plug a memory leak in an error exit path in the RDT code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel_rdt: Fix memory leak on mount failure
x86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug
x86/boot/KASLR: Add checking for the offset of kernel virtual address randomization
perf/x86/intel/uncore: Fix wrong box pointer check
x86/mm/hotplug: Fix BUG_ON() after hot-remove by not freeing PUD
Pull perf fix from Thomas Gleixner:
"The last fix for perf for this cycles:
- Prevent a segfault when kernel.kptr_restrict=2 is set by avoiding a
null pointer dereference"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf machine: Fix segfault for kernel.kptr_restrict=2
appears not to have been properly fixed, so the offending commit will be
reverted and we will find the proper fix for v4.13. Hopefully.
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Merge tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fix from Linus Walleij:
"Brian noticed that this regression has not got a proper fix for the
entire merge window and consequently we need to revert the offending
commit.
It's part of the RT-mainstream work, the dance goes like this, two
steps forward, one step back.
Summary:
- A last fix for v4.12, an IRQ problem reported early in the merge
window appears not to have been properly fixed, so the offending
commit will be reverted and we will find the proper fix for v4.13.
Hopefully"
* tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
Revert "pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip"
- Fix another ACPI problem with broken BIOSes.
- Filter out the GPIO right events, making a very user-visible bug
go away.
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Merge tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull last minute fixes for GPIO from Linus Walleij:
- Fix another ACPI problem with broken BIOSes.
- Filter out the right GPIO events, making a very user-visible bug go
away.
* tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: acpi: Skip _AEI entries without a handler rather then aborting the scan
gpiolib: fix filtering out unwanted events
Intel PT:
- Support "ptwrite" instructio, a way to stuff 32 or 64 bit values into
the Intel PT trace (Adrian Hunter)
- Support power events in Intel PT to report changes to C-state (Adrian
Hunter)
- Synthesize Intel PT events as PERF_RECORD_SAMPLE records with a
perf_event_attr.type (PERF_TYPE_SYNTH) just after the range used by the
kernel, i.e. right after what is allocated for PMUs, at INT_MAX + 1U,
attr.config will have the identification for the synthesized event and
the PERF_SAMPLE_RAW payload will have its fields (Adrian Hunter)
Infrastructure:
- Remove warning() and error(), using instead pr_warning() and
pr_error(), consolidating error reporting (Arnaldo Carvalho de Melo)
- Add platform dependency to 'perf test 15' (Thomas Richter)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.13-20170630' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
Intel PT enhancements:
- Support "ptwrite" instruction, a way to stuff 32 or 64 bit values into
the Intel PT trace (Adrian Hunter)
- Support power events in Intel PT to report changes to C-state (Adrian
Hunter)
- Synthesize Intel PT events as PERF_RECORD_SAMPLE records with a
perf_event_attr.type (PERF_TYPE_SYNTH) just after the range used by the
kernel, i.e. right after what is allocated for PMUs, at INT_MAX + 1U,
attr.config will have the identification for the synthesized event and
the PERF_SAMPLE_RAW payload will have its fields (Adrian Hunter)
Infrastructure changes:
- Remove warning() and error(), using instead pr_warning() and
pr_error(), consolidating error reporting (Arnaldo Carvalho de Melo)
- Add platform dependency to 'perf test 15' (Thomas Richter)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
One is for a crash when using the :mod: trace probe command into
stack_trace_filter. This bug was introduced during the last merge
window.
The other was there forever. It's a small bug that makes it impossible
to name a module function for kprobes when the module starts with a digit.
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Merge tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull last-minute tracing fixes from Steven Rostedt:
"Two fixes:
One is for a crash when using the :mod: trace probe command into
stack_trace_filter. This bug was introduced during the last merge
window.
The other was there forever. It's a small bug that makes it impossible
to name a module function for kprobes when the module starts with a
digit"
* tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobes: Allow to create probe with a module name starting with a digit
ftrace: Fix regression with module command in stack_trace_filter
uapi/linux/a.out.h uses a number of predefined macros that are
deprecated because they're in the application namespace
(e.g. '#ifdef linux' instead of '#ifdef __linux__').
This patch either corrects or just removes them if they are not
applicable to Linux.
The primary reason this is worth bothering to fix, considering how
obsolete a.out binary support is, is that the GCC build process
considers this such a severe error that it will copy the header into a
private directory and change the macro names, which causes future
updates to the header to be masked. This header probably doesn't get
updated very often anymore, but it is the _only_ uapi header that gets
this treatment, so IMHO it is worth patching just to drive that number
all the way to zero.
Signed-off-by: Zack Weinberg <zackw@panix.com>
[hch: removed dead conditionals]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds