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Pull networking updates from David Miller:
1) Add BQL support to via-rhine, from Tino Reichardt.
2) Integrate SWITCHDEV layer support into the DSA layer, so DSA drivers
can support hw switch offloading. From Floria Fainelli.
3) Allow 'ip address' commands to initiate multicast group join/leave,
from Madhu Challa.
4) Many ipv4 FIB lookup optimizations from Alexander Duyck.
5) Support EBPF in cls_bpf classifier and act_bpf action, from Daniel
Borkmann.
6) Remove the ugly compat support in ARP for ugly layers like ax25,
rose, etc. And use this to clean up the neigh layer, then use it to
implement MPLS support. All from Eric Biederman.
7) Support L3 forwarding offloading in switches, from Scott Feldman.
8) Collapse the LOCAL and MAIN ipv4 FIB tables when possible, to speed
up route lookups even further. From Alexander Duyck.
9) Many improvements and bug fixes to the rhashtable implementation,
from Herbert Xu and Thomas Graf. In particular, in the case where
an rhashtable user bulk adds a large number of items into an empty
table, we expand the table much more sanely.
10) Don't make the tcp_metrics hash table per-namespace, from Eric
Biederman.
11) Extend EBPF to access SKB fields, from Alexei Starovoitov.
12) Split out new connection request sockets so that they can be
established in the main hash table. Much less false sharing since
hash lookups go direct to the request sockets instead of having to
go first to the listener then to the request socks hashed
underneath. From Eric Dumazet.
13) Add async I/O support for crytpo AF_ALG sockets, from Tadeusz Struk.
14) Support stable privacy address generation for RFC7217 in IPV6. From
Hannes Frederic Sowa.
15) Hash network namespace into IP frag IDs, also from Hannes Frederic
Sowa.
16) Convert PTP get/set methods to use 64-bit time, from Richard
Cochran.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1816 commits)
fm10k: Bump driver version to 0.15.2
fm10k: corrected VF multicast update
fm10k: mbx_update_max_size does not drop all oversized messages
fm10k: reset head instead of calling update_max_size
fm10k: renamed mbx_tx_dropped to mbx_tx_oversized
fm10k: update xcast mode before synchronizing multicast addresses
fm10k: start service timer on probe
fm10k: fix function header comment
fm10k: comment next_vf_mbx flow
fm10k: don't handle mailbox events in iov_event path and always process mailbox
fm10k: use separate workqueue for fm10k driver
fm10k: Set PF queues to unlimited bandwidth during virtualization
fm10k: expose tx_timeout_count as an ethtool stat
fm10k: only increment tx_timeout_count in Tx hang path
fm10k: remove extraneous "Reset interface" message
fm10k: separate PF only stats so that VF does not display them
fm10k: use hw->mac.max_queues for stats
fm10k: only show actual queues, not the maximum in hardware
fm10k: allow creation of VLAN on default vid
fm10k: fix unused warnings
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Pull ARM updates from Russell King:
"Included in this update are both some long term fixes and some new
features.
Fixes:
- An integer overflow in the calculation of ELF_ET_DYN_BASE.
- Avoiding OOMs for high-order IOMMU allocations
- SMP requires the data cache to be enabled for synchronisation
primitives to work, so prevent the CPU_DCACHE_DISABLE option being
visible on SMP builds.
- A bug going back 10+ years in the noMMU ARM94* CPU support code,
where it corrupts registers. Found by folk getting Linux running
on their cameras.
- Versatile Express needs an errata workaround enabled for CPU
hot-unplug to work.
Features:
- Clean up module linker by handling out of range relocations
separately from relocation cases we don't handle.
- Fix a long term bug in the pci_mmap_page_range() code, which we
hope won't impact userspace (we hope there's no users of the
existing broken interface.)
- Don't map DMA coherent allocations when we don't have a MMU.
- Drop experimental status for SMP_ON_UP.
- Warn when DT doesn't specify ePAPR mandatory cache properties.
- Add documentation concerning how we find the start of physical
memory for AUTO_ZRELADDR kernels, detailing why we have chosen the
mask and the implications of changing it.
- Updates from Ard Biesheuvel to address some issues with large
kernels (such as allyesconfig) failing to link.
- Allow hibernation to work on modern (ARMv7) CPUs - this appears to
have never worked in the past on these CPUs.
- Enable IRQ_SHOW_LEVEL, which changes the /proc/interrupts output
format (hopefully without userspace breaking... let's hope that if
it causes someone a problem, they tell us.)
- Fix tegra-ahb DT offsets.
- Rework ARM errata 643719 code (and ARMv7 flush_cache_louis()/
flush_dcache_all()) code to be more efficient, and enable this
errata workaround by default for ARMv7+SMP CPUs. This complements
the Versatile Express fix above.
- Rework ARMv7 context code for errata 430973, so that only Cortex A8
CPUs are impacted by the branch target buffer flush when this
errata is enabled. Also update the help text to indicate that all
r1p* A8 CPUs are impacted.
- Switch ARM to the generic show_mem() implementation, it conveys all
the information which we were already reporting.
- Prevent slow timer sources being used for udelay() - timers running
at less than 1MHz are not useful for this, and can cause udelay()
to return immediately, without any wait. Using such a slow timer
is silly.
- VDSO support for 32-bit ARM, mainly for gettimeofday() using the
ARM architected timer.
- Perf support for Scorpion performance monitoring units"
vdso semantic conflict fixed up as per linux-next.
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (52 commits)
ARM: update errata 430973 documentation to cover Cortex A8 r1p*
ARM: ensure delay timer has sufficient accuracy for delays
ARM: switch to use the generic show_mem() implementation
ARM: proc-v7: avoid errata 430973 workaround for non-Cortex A8 CPUs
ARM: enable ARM errata 643719 workaround by default
ARM: cache-v7: optimise test for Cortex A9 r0pX devices
ARM: cache-v7: optimise branches in v7_flush_cache_louis
ARM: cache-v7: consolidate initialisation of cache level index
ARM: cache-v7: shift CLIDR to extract appropriate field before masking
ARM: cache-v7: use movw/movt instructions
ARM: allow 16-bit instructions in ALT_UP()
ARM: proc-arm94*.S: fix setup function
ARM: vexpress: fix CPU hotplug with CT9x4 tile.
ARM: 8276/1: Make CPU_DCACHE_DISABLE depend on !SMP
ARM: 8335/1: Documentation: DT bindings: Tegra AHB: document the legacy base address
ARM: 8334/1: amba: tegra-ahb: detect and correct bogus base address
ARM: 8333/1: amba: tegra-ahb: fix register offsets in the macros
ARM: 8339/1: Enable CONFIG_GENERIC_IRQ_SHOW_LEVEL
ARM: 8338/1: kexec: Relax SMP validation to improve DT compatibility
ARM: 8337/1: mm: Do not invoke OOM for higher order IOMMU DMA allocations
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"The major change in this merge is the removal of the support for
31-bit kernels. Naturally 31-bit user space will continue to work via
the compat layer.
And then some cleanup, some improvements and bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (23 commits)
s390/smp: wait until secondaries are active & online
s390/hibernate: fix save and restore of kernel text section
s390/cacheinfo: add missing facility check
s390/syscalls: simplify syscall_get_arch()
s390/irq: enforce correct irqclass_sub_desc array size
s390: remove "64" suffix from mem64.S and swsusp_asm64.S
s390/ipl: cleanup macro usage
s390/ipl: cleanup shutdown_action attributes
s390/ipl: cleanup bin attr usage
s390/uprobes: fix address space annotation
s390: add missing arch_release_task_struct() declaration
s390: make couple of functions and variables static
s390/maccess: improve s390_kernel_write()
s390/maccess: remove potentially broken probe_kernel_write()
s390/watchdog: support for KVM hypervisors and delete pr_info messages
s390/watchdog: enable KEEPALIVE for /dev/watchdog
s390/dasd: remove setting of scheduler from driver
s390/traps: panic() instead of die() on translation exception
s390: remove test_facility(2) (== z/Architecture mode active) checks
s390/cmpxchg: simplify cmpxchg_double
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael Wysocki:
"These are mostly fixes and cleanups all over, although there are a few
items that sort of fall into the new feature category.
First off, we have new callbacks for PM domains that should help us to
handle some issues related to device initialization in a better way.
There also is some consolidation in the unified device properties API
area allowing us to use that inferface for accessing data coming from
platform initialization code in addition to firmware-provided data.
We have some new device/CPU IDs in a few drivers, support for new
chips and a new cpufreq driver too.
Specifics:
- Generic PM domains support update including new PM domain callbacks
to handle device initialization better (Russell King, Rafael J
Wysocki, Kevin Hilman)
- Unified device properties API update including a new mechanism for
accessing data provided by platform initialization code (Rafael J
Wysocki, Adrian Hunter)
- ARM cpuidle update including ARM32/ARM64 handling consolidation
(Daniel Lezcano)
- intel_idle update including support for the Silvermont Core in the
Baytrail SOC and for the Airmont Core in the Cherrytrail and
Braswell SOCs (Len Brown, Mathias Krause)
- New cpufreq driver for Hisilicon ACPU (Leo Yan)
- intel_pstate update including support for the Knights Landing chip
(Dasaratharaman Chandramouli, Kristen Carlson Accardi)
- QorIQ cpufreq driver update (Tang Yuantian, Arnd Bergmann)
- powernv cpufreq driver update (Shilpasri G Bhat)
- devfreq update including Tegra support changes (Tomeu Vizoso,
MyungJoo Ham, Chanwoo Choi)
- powercap RAPL (Running-Average Power Limit) driver update including
support for Intel Broadwell server chips (Jacob Pan, Mathias Krause)
- ACPI device enumeration update related to the handling of the
special PRP0001 device ID allowing DT-style 'compatible' property
to be used for ACPI device identification (Rafael J Wysocki)
- ACPI EC driver update including limited _DEP support (Lan Tianyu,
Lv Zheng)
- ACPI backlight driver update including a new mechanism to allow
native backlight handling to be forced on non-Windows 8 systems and
a new quirk for Lenovo Ideapad Z570 (Aaron Lu, Hans de Goede)
- New Windows Vista compatibility quirk for Sony VGN-SR19XN (Chen Yu)
- Assorted ACPI fixes and cleanups (Aaron Lu, Martin Kepplinger,
Masanari Iida, Mika Westerberg, Nan Li, Rafael J Wysocki)
- Fixes related to suspend-to-idle for the iTCO watchdog driver and
the ACPI core system suspend/resume code (Rafael J Wysocki, Chen Yu)
- PM tracing support for the suspend phase of system suspend/resume
transitions (Zhonghui Fu)
- Configurable delay for the system suspend/resume testing facility
(Brian Norris)
- PNP subsystem cleanups (Peter Huewe, Rafael J Wysocki)"
* tag 'pm+acpi-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
ACPI / scan: Fix NULL pointer dereference in acpi_companion_match()
ACPI / scan: Rework modalias creation when "compatible" is present
intel_idle: mark cpu id array as __initconst
powercap / RAPL: mark rapl_ids array as __initconst
powercap / RAPL: add ID for Broadwell server
intel_pstate: Knights Landing support
intel_pstate: remove MSR test
cpufreq: fix qoriq uniprocessor build
ACPI / scan: Take the PRP0001 position in the list of IDs into account
ACPI / scan: Simplify acpi_match_device()
ACPI / scan: Generalize of_compatible matching
device property: Introduce firmware node type for platform data
device property: Make it possible to use secondary firmware nodes
PM / watchdog: iTCO: stop watchdog during system suspend
cpufreq: hisilicon: add acpu driver
ACPI / EC: Call acpi_walk_dep_device_list() after installing EC opregion handler
cpufreq: powernv: Report cpu frequency throttling
intel_idle: Add support for the Airmont Core in the Cherrytrail and Braswell SOCs
intel_idle: Update support for Silvermont Core in Baytrail SOC
PM / devfreq: tegra: Register governor on module init
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"You will get the following new drivers:
- Qualcomm PM8941 power key drver
- ChipOne icn8318 touchscreen controller driver
- Broadcom iProc touchscreen and keypad drivers
- Semtech SX8654 I2C touchscreen controller driver
ALPS driver now supports newer SS4 devices; Elantech got a fix that
should make it work on some ASUS laptops; and a slew of other
enhancements and random fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (51 commits)
Input: alps - non interleaved V2 dualpoint has separate stick button bits
Input: alps - fix touchpad buttons getting stuck when used with trackpoint
Input: atkbd - document "no new force-release quirks" policy
Input: ALPS - make alps_get_pkt_id_ss4_v2() and others static
Input: ALPS - V7 devices can report 5-finger taps
Input: ALPS - add support for SS4 touchpad devices
Input: ALPS - refactor alps_set_abs_params_mt()
Input: elantech - fix absolute mode setting on some ASUS laptops
Input: atmel_mxt_ts - split out touchpad initialisation logic
Input: atmel_mxt_ts - implement support for T100 touch object
Input: cros_ec_keyb - fix clearing keyboard state on wakeup
Input: gscps2 - drop pci_ids dependency
Input: synaptics - allocate 3 slots to keep stability in image sensors
Input: Revert "Revert "synaptics - use dmax in input_mt_assign_slots""
Input: MT - make slot assignment work for overcovered solutions
mfd: tc3589x: enforce device-tree only mode
Input: tc3589x - localize platform data
Input: tsc2007 - Convert msecs to jiffies only once
Input: edt-ft5x06 - remove EV_SYN event report
Input: edt-ft5x06 - allow to setting the maximum axes value through the DT
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Most notable:
- introducing the i2c_quirk infrastructure. Now, flaws of I2C
controllers can be described and the core will check if the flaws
collide with the messages to be sent
- wait_for_completion return type cleanup series
- new drivers for Digicolor, Netlogic XLP, Ingenic JZ4780
- updates to the I2C slave framework which include API changes. Its
only user was updated, too. Documentation was finally added
- changed dynamic bus numbering for the DT case. This could change
bus numbers for users. However, it fixes a collision where dynamic
and static busses request the same id.
- driver bugfixes, cleanups"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (52 commits)
i2c: xlp9xx: Driver for Netlogic XLP9XX/5XX I2C controller
of: Add vendor prefix 'netlogic'
i2c: davinci: use ICPFUNC to toggle I2C as gpio for bus recovery
i2c: davinci: use bus recovery infrastructure
i2c: change input parameter to i2c_adapter for prepare/unprepare_recovery
i2c: i2c-mux-gpio: remove error messages for probe deferrals
i2c: jz4780: Add i2c bus controller driver for Ingenic JZ4780
i2c: dln2: set the device tree node of the adapter
i2c: davinci: fixup wait_for_completion_timeout handling
i2c: mpc: Fix ISR return value
i2c: slave-eeprom: add more info when to increase the pointer
i2c: slave: add documentation for i2c-slave-eeprom
Documentation: i2c: describe the new slave mode
i2c: slave: rework the slave API
i2c: add support for the Digicolor I2C controller
i2c: busses with dynamic ids should start after fixed ids for DT
of: base: add function to get highest id of an alias stem
i2c: designware: Suppress error message if platform_get_irq() < 0
i2c: mpc: assign the correct prescaler from SVR
i2c: img-scb: fixup of wait_for_completion_timeout return handling
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Pull VFIO updates from Alex Williamson:
- VFIO platform bus driver support (Baptiste Reynal, Antonios Motakis,
testing and review by Eric Auger)
- Split VFIO irqfd support to separate module (Alex Williamson)
- vfio-pci VGA arbiter client (Alex Williamson)
- New vfio-pci.ids= module option (Alex Williamson)
- vfio-pci D3 power state support for idle devices (Alex Williamson)
* tag 'vfio-v4.1-rc1' of git://github.com/awilliam/linux-vfio: (30 commits)
vfio-pci: Fix use after free
vfio-pci: Move idle devices to D3hot power state
vfio-pci: Remove warning if try-reset fails
vfio-pci: Allow PCI IDs to be specified as module options
vfio-pci: Add VGA arbiter client
vfio-pci: Add module option to disable VGA region access
vgaarb: Stub vga_set_legacy_decoding()
vfio: Split virqfd into a separate module for vfio bus drivers
vfio: virqfd_lock can be static
vfio: put off the allocation of "minor" in vfio_create_group
vfio/platform: implement IRQ masking/unmasking via an eventfd
vfio: initialize the virqfd workqueue in VFIO generic code
vfio: move eventfd support code for VFIO_PCI to a separate file
vfio: pass an opaque pointer on virqfd initialization
vfio: add local lock for virqfd instead of depending on VFIO PCI
vfio: virqfd: rename vfio_pci_virqfd_init and vfio_pci_virqfd_exit
vfio: add a vfio_ prefix to virqfd_enable and virqfd_disable and export
vfio/platform: support for level sensitive interrupts
vfio/platform: trigger an interrupt via eventfd
vfio/platform: initial interrupts support code
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pincontrol updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.1 development
cycle. Nothing really exciting this time: we basically added a few
new drivers and subdrivers and stabilized them in linux-next. Some
cleanups too. With sunrisepoint Intel has a real fine fully featured
pin control driver for contemporary hardware, and the AMD driver is
also for large deployments. Most of the others are ARM devices.
New drivers:
- Intel Sunrisepoint
- AMD KERNCZ GPIO
- Broadcom Cygnus IOMUX
New subdrivers:
- Marvell MVEBU Armada 39x SoCs
- Samsung Exynos 5433
- nVidia Tegra 210
- Mediatek MT8135
- Mediatek MT8173
- AMLogic Meson8b
- Qualcomm PM8916
On top of this cleanups and development history for the above drivers
as issues were fixed after merging"
* tag 'pinctrl-v4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (71 commits)
pinctrl: sirf: move sgpio lock into state container
pinctrl: Add support for PM8916 GPIO's and MPP's
pinctrl: bcm2835: Fix support for threaded level triggered IRQs
sh-pfc: r8a7790: add EtherAVB pin groups
pinctrl: Document "function" + "pins" pinmux binding
pinctrl: intel: Add Intel Sunrisepoint pin controller and GPIO support
pinctrl: fsl: imx: Check for 0 config register
pinctrl: Add support for Meson8b
documentation: Extend pinctrl docs for Meson8b
pinctrl: Cleanup Meson8 driver
Fix inconsistent spinlock of AMD GPIO driver which can be recognized by static analysis tool smatch. Declare constant Variables with Sparse's suggestion.
pinctrl: at91: convert __raw to endian agnostic IO
pinctrl: constify of_device_id array
pinctrl: pinconf-generic: add dt node names to error messages
pinctrl: pinconf-generic: scan also referenced phandle node
pinctrl: mvebu: add suspend/resume support to Armada XP pinctrl driver
pinctrl: st: Display pin's function when printing pinctrl debug information
pinctrl: st: Show correct pin direction also in GPIO mode
pinctrl: st: Supply a GPIO get_direction() call-back
pinctrl: st: Move st_get_pio_control() further up the source file
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Changes to existing drivers:
- Use of_get_child_by_name() instead of refcount; 88pm860x_bl
- Terminate array with NULL element; da9052_bl"
* tag 'backlight-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: da9052_bl: Terminate da9052_wled_ids array with empty element
backlight: 88pm860x_bl: Use of_get_child_by_name() instead of refcount hack
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Changes to existing drivers:
- Rename child driver [axp288_battery => axp288_fuel_gauge]; axp20x
- Rename child driver [max77693-flash => max77693-led]; max77693
- Error handling fixes; intel_soc_pmic
- GPIO tweaking; intel_soc_pmic
- Remove non-DT code; vexpress-sysreg, tc3589x
- Remove unused/legacy code; ti_am335x_tscadc, rts5249, rtsx_gops, rtsx_pcr,
rtc-s5m, sec-core, max77693, menelaus,
wm5102-tables
- Trivial fixups; rtsx_pci, da9150-core, sec-core, max7769, max77693,
mc13xxx-core, dln2, hi6421-pmic-core, rk808, twl4030-power,
lpc_ich, menelaus, twl6040
- Update register/address values; rts5227, rts5249
- DT and/or binding document fixups; arizona, da9150, mt6397, axp20x,
qcom-rpm, qcom-spmi-pmic
- Couple of trivial core Kconfig fixups
- Remove use of seq_printf return value; ab8500-debugfs
- Remove __exit markups; menelaus, tps65010
- Fix platform-device name collisions; mfd-core
New drivers/supported devices:
- Add support for wm8280/wm8281 into arizona
- Add support for COMe-cBL6 into kempld-core
- Add support for rts524a and rts525a into rts5249
- Add support for ipq8064 into qcom_rpm
- Add support for extcon into axp20x
- New MediaTek MT6397 PMIC driver
- New Maxim MAX77843 PMIC dirver
- New Intel Quark X1000 I2C-GPIO driver
- New Skyworks SKY81452 driver"
* tag 'mfd-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (76 commits)
mfd: sec: Fix RTC alarm interrupt number on S2MPS11
mfd: wm5102: Remove registers for output 3R from readable list
mfd: tps65010: Remove incorrect __exit markups
mfd: devicetree: bindings: Add Qualcomm RPM regulator subnodes
mfd: axp20x: Add support for extcon cell
mfd: lpc_ich: Sort IDs
mfd: twl6040: Remove wrong and unneeded "platform:twl6040" modalias
mfd: qcom-spmi-pmic: Add specific compatible strings for Qualcomm's SPMI PMIC's
mfd: axp20x: Fix duplicate const for model names
mfd: menelaus: Use macro for magic number
mfd: menelaus: Drop support for SW controller VCORE
mfd: menelaus: Delete omap_has_menelaus
mfd: arizona: Correct type of gpio_defaults
mfd: lpc_ich: Sort IDs
mfd: Fix a typo in Kconfig
mfd: qcom_rpm: Add support for IPQ8064
mfd: devicetree: qcom_rpm: Document IPQ8064 resources
mfd: core: Fix platform-device name collisions
mfd: intel_quark_i2c_gpio: Don't crash if !DMI
dt-bindings: Add vendor-prefix for X-Powers
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Merge first patchbomb from Andrew Morton:
- arch/sh updates
- ocfs2 updates
- kernel/watchdog feature
- about half of mm/
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (122 commits)
Documentation: update arch list in the 'memtest' entry
Kconfig: memtest: update number of test patterns up to 17
arm: add support for memtest
arm64: add support for memtest
memtest: use phys_addr_t for physical addresses
mm: move memtest under mm
mm, hugetlb: abort __get_user_pages if current has been oom killed
mm, mempool: do not allow atomic resizing
memcg: print cgroup information when system panics due to panic_on_oom
mm: numa: remove migrate_ratelimited
mm: fold arch_randomize_brk into ARCH_HAS_ELF_RANDOMIZE
mm: split ET_DYN ASLR from mmap ASLR
s390: redefine randomize_et_dyn for ELF_ET_DYN_BASE
mm: expose arch_mmap_rnd when available
s390: standardize mmap_rnd() usage
powerpc: standardize mmap_rnd() usage
mips: extract logic for mmap_rnd()
arm64: standardize mmap_rnd() usage
x86: standardize mmap_rnd() usage
arm: factor out mmap ASLR into mmap_rnd
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Allocating a large number of elements in atomic context could quickly
deplete memory reserves, so just disallow atomic resizing entirely.
Nothing currently uses mempool_resize() with anything other than
GFP_KERNEL, so convert existing callers to drop the gfp_mask.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Steffen Maier <maier@linux.vnet.ibm.com> [zfcp]
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Steve French <sfrench@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently, cleancache_register_ops returns the previous value of
cleancache_ops to allow chaining. However, chaining, as it is
implemented now, is extremely dangerous due to possible pool id
collisions. Suppose, a new cleancache driver is registered after the
previous one assigned an id to a super block. If the new driver assigns
the same id to another super block, which is perfectly possible, we will
have two different filesystems using the same id. No matter if the new
driver implements chaining or not, we are likely to get data corruption
with such a configuration eventually.
This patch therefore disables the ability to override cleancache_ops
altogether as potentially dangerous. If there is already cleancache
driver registered, all further calls to cleancache_register_ops will
return EBUSY. Since no user of cleancache implements chaining, we only
need to make minor changes to the code outside the cleancache core.
Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Stefan Hengelein <ilendir@googlemail.com>
Cc: Florian Schmaus <fschmaus@gmail.com>
Cc: Andor Daam <andor.daam@googlemail.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch replaces cancel_dirty_page() with a helper function
account_page_cleaned() which only updates counters. It's called from
truncate_complete_page() and from try_to_free_buffers() (hack for ext3).
Page is locked in both cases, page-lock protects against concurrent
dirtiers: see commit 2d6d7f982846 ("mm: protect set_page_dirty() from
ongoing truncation").
Delete_from_page_cache() shouldn't be called for dirty pages, they must
be handled by caller (either written or truncated). This patch treats
final dirty accounting fixup at the end of __delete_from_page_cache() as
a debug check and adds WARN_ON_ONCE() around it. If something removes
dirty pages without proper handling that might be a bug and unwritten
data might be lost.
Hugetlbfs has no dirty pages accounting, ClearPageDirty() is enough
here.
cancel_dirty_page() in nfs_wb_page_cancel() is redundant. This is
helper for nfs_invalidate_page() and it's called only in case complete
invalidation.
The mess was started in v2.6.20 after commits 46d2277c796f ("Clean up
and make try_to_free_buffers() not race with dirty pages") and
3e67c0987d75 ("truncate: clear page dirtiness before running
try_to_free_buffers()") first was reverted right in v2.6.20 in commit
ecdfc9787fe5 ("Resurrect 'try_to_free_buffers()' VM hackery"), second in
v2.6.25 commit a2b345642f53 ("Fix dirty page accounting leak with ext3
data=journal").
Custom fixes were introduced between these points. NFS in v2.6.23, commit
1b3b4a1a2deb ("NFS: Fix a write request leak in nfs_invalidate_page()").
Kludge in __delete_from_page_cache() in v2.6.24, commit 3a6927906f1b ("Do
dirty page accounting when removing a page from the page cache"). Since
v2.6.25 all of them are redundant.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There's a deadlock when concurrently hot-adding memory through the probe
interface and switching a memory block from offline to online.
When hot-adding memory via the probe interface, add_memory() first takes
mem_hotplug_begin() and then device_lock() is later taken when registering
the newly initialized memory block. This creates a lock dependency of (1)
mem_hotplug.lock (2) dev->mutex.
When switching a memory block from offline to online, dev->mutex is first
grabbed in device_online() when the write(2) transitions an existing
memory block from offline to online, and then online_pages() will take
mem_hotplug_begin().
This creates a lock inversion between mem_hotplug.lock and dev->mutex.
Vitaly reports that this deadlock can happen when kworker handling a probe
event races with systemd-udevd switching a memory block's state.
This patch requires the state transition to take mem_hotplug_begin()
before dev->mutex. Hot-adding memory via the probe interface creates a
memory block while holding mem_hotplug_begin(), there is no way to take
dev->mutex first in this case.
online_pages() and offline_pages() are only called when transitioning
memory block state. We now require that mem_hotplug_begin() is taken
before calling them -- this requires exporting the mem_hotplug_begin() and
mem_hotplug_done() to generic code. In all hot-add and hot-remove cases,
mem_hotplug_begin() is done prior to device_online(). This is all that is
needed to avoid the deadlock.
Signed-off-by: David Rientjes <rientjes@google.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zhang Zhen <zhenzhang.zhang@huawei.com>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Cc: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use macro section_nr_to_pfn() to switch between section and pfn, instead
of open-coding it. No semantic changes.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the recent driver changes, bump the version.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
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VFs were being improperly added to the switch's multicast group. The
error stems from the fact that incorrect arguments were passed to the
"update_mc_addr" function. It would seem to be a copy paste error since
the parameters are similar to the "update_uc_addr" function.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When we call update_max_size it does not drop all oversized messages.
This is due to the difficulty in performing this operation, since it is
a FIFO which makes updating anything other than head or tail very
difficult. To fix this, modify validate_msg_size to ensure that we error
out later when trying to transmit the message that could be oversized.
This will generally be a rare condition, as it requires the FIFO to
include a message larger than the max_size negotiated during mailbox
connect. Note that max_size is always smaller than rx.size so it should
be safe to use here.
Also, update the update_max_size function header comment to clearly
indicate that it does not drop all oversized messages, but only those at
the head of the FIFO.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When we forcefully shutdown the mailbox, we then go about resetting max
size to 0, and clearing all messages in the FIFO. Instead, we should
just reset the head pointer so that the FIFO becomes empty, rather than
changing the max size to 0. This helps prevent increment in tx_dropped
counter during mailbox negotiation, which is confusing to viewers of
Linux ethtool statistics output.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The use of dropped doesn't really mean dropped mailbox messages, but
rather specifically messages which were too large to fit in the remote
Rx FIFO. Rename the stat to more clearly indicate what it means.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the PF receives a request to update a multicast address for the VF,
it checks the enabled multicast mode first. Fix a bug where the VF tried
to set a multicast address before requesting the required xcast mode.
This ensures the multicast addresses are honored as long as the xcast
mode was allowed.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since the service task handles varying work that doesn't all require the
interface to be up, launch the service timer immediately. This ensures
that we continually check the mailbox, as well as handle other tasks
while the device is down.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The header comment included a miscopy of a C-code line, and also
mis-used Rx FIFO when it clearly meant Tx FIFO
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add a header comment explaining why we have the somewhat crazy mailbox
flow. This flow is necessary as it prevents the PF<->SM mailbox from
being flooded by the VF messages, which normally trigger a message to
the PF. This helps prevent the case where we see a PF mailbox timeout.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since we already schedule the service task, we can just wait for this
task to handle the mailbox events from the VF. This reduces some complex
code flow, and makes it so we have a single path for handling the VF
messages. There is a possibility that we have a slight delay in handling
VF messages, but it should be minimal.
The result of tx_complete and !rx_ready is insufficient to determine
whether we need to process the mailbox. There is a possible race
condition whereby the VF fills up the mbmem for us, but we have already
recently processed the mailboxes in the interrupt. During this time,
the interrupt is disabled. Thus, our Rx FIFO is empty, but the mbmem now
has data in it. Since we continually check whether Rx FIFO is empty, we
then never call process. This results in the possibility to prevent PF
from handling the VF mailbox messages.
Instead, just call process every time, despite the fact that we may or
may not have anything to process for the VF. There should be minimal
overhead for doing this, and it resolves an issue where the VF never
comes up due to never getting response for its SET_LPORT_STATE message.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since we run the watchdog periodically, which might take a while and
potentially monopolize the system default workqueue, create our own
separate work queue. This also helps reduce and stabilize latency
between scheduling the work in our interrupt and actually performing
the work. Still use a timer for the regular scheduled interval but
queue the work onto its own work queue.
It seemed overkill to create a single workqueue per interface, so we
just spawn a single work queue for all interfaces upon driver load. For
this reason, use a multi-threaded workqueue with one thread per
processor, rather than single threaded queue.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When returning virtualization queues from the VF back to the PF, do not
retain the VF rate limiter.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Todd Russell <todd.a.russell@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Named it tx_hang_count to differentiate it from tx_hwtstamp_timeout.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We were incrementing the tx_timeout_count for both the Tx hang
and then for all reset flows. Instead, we should only increment
tx_timeout_count in the Tx hang path, so that our Tx hang counter
does not increment when it was not caused by a Tx hang.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
|
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Since we already print this message when a reset is requested via the
RESET_REQUESTED flag, we do not need to print it before setting the
flag.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch resolves an issue with ethtool stats displaying useless
values on the VF, because some stats simply have no meaning to the VF.
Resolve this by splitting these out into PF_STATS and only showing them
if we aren't the VF.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Even though it shouldn't strictly matter, don't count queue stats higher
than the max_queues value stored for this mac. This ensures that we
don't attempt to check queues which don't belong to use in VFs. This
shouldn't be a visible change, as the VFs should see zero for queues
which don't belong to them.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
|
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Currently, we show statistics for all 128 queues, even though we don't
necessarily have that many queues available especially in the VF case.
Instead, use the hw->mac.max_queues value, which tells us how many
queues we actually have, rather than the space for the rings we
allocated. In this way, we prevent dumping statistics that are useless
on the VF.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Previously, the user was not allowed to create a VLAN interface on top
of the switch default vid.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs update from Al Viro:
"Part one:
- struct filename-related cleanups
- saner iov_iter_init() replacements (and switching the syscalls to
use of those)
- ntfs switch to ->write_iter() (Anton)
- aio cleanups and splitting iocb into common and async parts
(Christoph)
- assorted fixes (me, bfields, Andrew Elble)
There's a lot more, including the completion of switchover to
->{read,write}_iter(), d_inode/d_backing_inode annotations, f_flags
race fixes, etc, but that goes after #for-davem merge. David has
pulled it, and once it's in I'll send the next vfs pull request"
* 'for-linus-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (35 commits)
sg_start_req(): use import_iovec()
sg_start_req(): make sure that there's not too many elements in iovec
blk_rq_map_user(): use import_single_range()
sg_io(): use import_iovec()
process_vm_access: switch to {compat_,}import_iovec()
switch keyctl_instantiate_key_common() to iov_iter
switch {compat_,}do_readv_writev() to {compat_,}import_iovec()
aio_setup_vectored_rw(): switch to {compat_,}import_iovec()
vmsplice_to_user(): switch to import_iovec()
kill aio_setup_single_vector()
aio: simplify arguments of aio_setup_..._rw()
aio: lift iov_iter_init() into aio_setup_..._rw()
lift iov_iter into {compat_,}do_readv_writev()
NFS: fix BUG() crash in notify_change() with patch to chown_common()
dcache: return -ESTALE not -EBUSY on distributed fs race
NTFS: Version 2.1.32 - Update file write from aio_write to write_iter.
VFS: Add iov_iter_fault_in_multipages_readable()
drop bogus check in file_open_root()
switch security_inode_getattr() to struct path *
constify tomoyo_realpath_from_path()
...
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The were several functions which had parameters which were never or
sometimes used in functions. To resolve possible compiler warnings,
use __always_unused or __maybe_unused kernel macros to resolve.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
|
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This change adds a function called "fm10k_netpoll" that's used to define
"ndo_poll_controller" in "fm10k_netdev_ops". This is required to enable
support for "netconsole" in fm10k.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
|
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Currently, the VFs do not read the default VLAN during initialization,
so they will not be able to indicate untagged frames properly.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Corrected a spelling mistake that was found over time.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Output of ethtool was reporting 2 rx_errors entries. This change
removes one of the redundant entries.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
|
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The function collecting Tx statistics was actually using values from the RX
ring. Thus, Tx and Rx statistics values reported by "ifconfig" will
return identical values. This change corrects this error and the Tx
statistics is now reading from the Tx ring.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
|
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|
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The dwmac-socfpga.c conflict was a case of a bug fix overlapping
changes in net-next to handle an error pointer differently.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Add comment for tx filt and sge length calucaltion code, also remove
a hardcoded value
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fl_starv_thres could be different from adapter to adapter, don't use
hardcoded values
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows a significant latency drop for packets of sizes between 128 and 192
bytes
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ring size is always known at compile time, so make the code a bit
more efficient
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
