The test:
*commands && *commands == ' '
is equivalent to:
*commands == ' '
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull livepatch updates from Jiri Kosina:
- a per-task consistency model is being added for architectures that
support reliable stack dumping (extending this, currently rather
trivial set, is currently in the works).
This extends the nature of the types of patches that can be applied
by live patching infrastructure. The code stems from the design
proposal made [1] back in November 2014. It's a hybrid of SUSE's
kGraft and RH's kpatch, combining advantages of both: it uses
kGraft's per-task consistency and syscall barrier switching combined
with kpatch's stack trace switching. There are also a number of
fallback options which make it quite flexible.
Most of the heavy lifting done by Josh Poimboeuf with help from
Miroslav Benes and Petr Mladek
[1] https://lkml.kernel.org/r/20141107140458.GA21774@suse.cz
- module load time patch optimization from Zhou Chengming
- a few assorted small fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: add missing printk newlines
livepatch: Cancel transition a safe way for immediate patches
livepatch: Reduce the time of finding module symbols
livepatch: make klp_mutex proper part of API
livepatch: allow removal of a disabled patch
livepatch: add /proc/<pid>/patch_state
livepatch: change to a per-task consistency model
livepatch: store function sizes
livepatch: use kstrtobool() in enabled_store()
livepatch: move patching functions into patch.c
livepatch: remove unnecessary object loaded check
livepatch: separate enabled and patched states
livepatch/s390: add TIF_PATCH_PENDING thread flag
livepatch/s390: reorganize TIF thread flag bits
livepatch/powerpc: add TIF_PATCH_PENDING thread flag
livepatch/x86: add TIF_PATCH_PENDING thread flag
livepatch: create temporary klp_update_patch_state() stub
x86/entry: define _TIF_ALLWORK_MASK flags explicitly
stacktrace/x86: add function for detecting reliable stack traces
Pull HID subsystem updates from Jiri Kosina:
- The need for HID_QUIRK_NO_INIT_REPORTS per-device quirk has been
growing dramatically during past years, so the time has come to
switch over the default, and perform the pro-active reading only in
cases where it's really needed (multitouch, wacom).
The only place where this behavior is (in some form) preserved is
hiddev so that we don't introduce userspace-visible change of
behavior.
From Benjamin Tissoires
- HID++ support for power_supply / baterry reporting.
From Benjamin Tissoires and Bastien Nocera
- Vast improvements / rework of DS3 and DS4 in Sony driver.
From Roderick Colenbrander
- Improvment (in terms of getting closer to the Microsoft's
interpretation of slightly ambiguous specification) of logical range
interpretation in case null-state is set in the rdesc.
From Valtteri Heikkilä and Tomasz Kramkowski
- A lot of newly supported device IDs and small assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (71 commits)
HID: usbhid: Add HID_QUIRK_NOGET for Aten CS-1758 KVM switch
HID: asus: support backlight on USB keyboards
HID: wacom: Move wacom_remote_irq and wacom_remote_status_irq
HID: wacom: generic: sync pad events only for actual packets
HID: sony: remove redundant check for -ve err
HID: sony: Make sure to unregister sensors on failure
HID: sony: Make DS4 bt poll interval adjustable
HID: sony: Set proper bit flags on DS4 output report
HID: sony: DS4 use brighter LED colors
HID: sony: Improve navigation controller axis/button mapping
HID: sony: Use DS3 MAC address as unique identifier on USB
HID: logitech-hidpp: add a sysfs file to tell we support power_supply
HID: logitech-hidpp: enable HID++ 1.0 battery reporting
HID: logitech-hidpp: add support for battery status for the K750
HID: logitech-hidpp: battery: provide CAPACITY_LEVEL
HID: logitech-hidpp: rename battery level into capacity
HID: logitech-hidpp: battery: provide ONLINE property
HID: logitech-hidpp: notify battery on connect
HID: logitech-hidpp: return an error if the queried feature is not present
HID: logitech-hidpp: create the battery for all types of HID++ devices
...
Core changes:
- Add bi-directional and output-enable pin configurations to
the generic bindings and generic pin controlling core.
New drivers or subdrivers:
- Armada 37xx SoC pin controller and GPIO support.
- Axis ARTPEC-6 SoC pin controller support.
- AllWinner A64 R_PIO controller support, and opening up the
AllWinner sunxi driver for ARM64 use.
- Rockchip RK3328 support.
- Renesas R-Car H3 ES2.0 support.
- STM32F469 support in the STM32 driver.
- Aspeed G4 and G5 pin controller support.
Improvements:
- A whole slew of realtime improvements to drivers implementing
irqchips: BCM, AMD, SiRF, sunxi, rockchip.
- Switch meson driver to get the GPIO ranges from the device
tree.
- Input schmitt trigger support on the Rockchip driver.
- Enable the sunxi (AllWinner) driver to also be used on ARM64
silicon.
- Name the Qualcomm QDF2xxx GPIO lines.
- Support GMMR GPIO regions on the Intel Cherryview. This
fixes a serialization problem on these platforms.
- Pad retention support for the Samsung Exynos 5433.
- Handle suspend-to-ram in the AT91-pio4 driver.
- Pin configuration support in the Aspeed driver.
Cleanups:
- The final name of Rockchip RK1108 was RV1108 so rename the
driver and variables to stay consistent.
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Merge tag 'pinctrl-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.12 cycle.
The extra week before the merge window actually resulted in some of
the type of fixes that usually arrive after the merge window already
starting to trickle in from eager developers using -next, I'm
impressed.
I have recruited a Samsung subsubsystem maintainer (Krzysztof) to deal
with the onset of Samsung patches. It works great.
Apart from that it is a boring round, just incremental updates and
fixes all over the place, no serious core changes or anything exciting
like that. The most pleasing to see is Julia Cartwrights work to audit
the irqchip-providing drivers for realtime locking compliance. It's
one of those "I should really get around to looking into that" things
that have been on my TODO list since forever.
Summary:
Core changes:
- add bi-directional and output-enable pin configurations to the
generic bindings and generic pin controlling core.
New drivers or subdrivers:
- Armada 37xx SoC pin controller and GPIO support.
- Axis ARTPEC-6 SoC pin controller support.
- AllWinner A64 R_PIO controller support, and opening up the
AllWinner sunxi driver for ARM64 use.
- Rockchip RK3328 support.
- Renesas R-Car H3 ES2.0 support.
- STM32F469 support in the STM32 driver.
- Aspeed G4 and G5 pin controller support.
Improvements:
- a whole slew of realtime improvements to drivers implementing
irqchips: BCM, AMD, SiRF, sunxi, rockchip.
- switch meson driver to get the GPIO ranges from the device tree.
- input schmitt trigger support on the Rockchip driver.
- enable the sunxi (AllWinner) driver to also be used on ARM64
silicon.
- name the Qualcomm QDF2xxx GPIO lines.
- support GMMR GPIO regions on the Intel Cherryview. This fixes a
serialization problem on these platforms.
- pad retention support for the Samsung Exynos 5433.
- handle suspend-to-ram in the AT91-pio4 driver.
- pin configuration support in the Aspeed driver.
Cleanups:
- the final name of Rockchip RK1108 was RV1108 so rename the driver
and variables to stay consistent"
* tag 'pinctrl-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (80 commits)
pinctrl: mediatek: Add missing pinctrl bindings for mt7623
pinctrl: artpec6: Fix return value check in artpec6_pmx_probe()
pinctrl: artpec6: Remove .owner field for driver
pinctrl: tegra: xusb: Silence sparse warnings
ARM: at91/at91-pinctrl documentation: fix spelling mistake: "contoller" -> "controller"
pinctrl: make artpec6 explicitly non-modular
pinctrl: aspeed: g5: Add pinconf support
pinctrl: aspeed: g4: Add pinconf support
pinctrl: aspeed: Add core pinconf support
pinctrl: aspeed: Document pinconf in devicetree bindings
pinctrl: Add st,stm32f469-pinctrl compatible to stm32-pinctrl
pinctrl: stm32: Add STM32F469 MCU support
Documentation: dt: Remove ngpios from stm32-pinctrl binding
pinctrl: stm32: replace device_initcall() with arch_initcall()
pinctrl: stm32: add possibility to use gpio-ranges to declare bank range
pinctrl: armada-37xx: Add gpio support
pinctrl: armada-37xx: Add pin controller support for Armada 37xx
pinctrl: dt-bindings: Add documentation for Armada 37xx pin controllers
pinctrl: core: Make pinctrl_init_controller() static
pinctrl: generic: Add bi-directional and output-enable
...
- Continue to re-factor code to prepare for eMMC CMDQ and blkmq support
- Introduce queue semantics to prepare for eMMC CMDQ and blkmq support
- Add helper functions to manage temporary enable/disable of eMMC CMDQ
- Improve wait-busy detection for SDIO
MMC host:
- cavium: Add driver to support Cavium controllers
- cavium: Extend Cavium driver to support Octeon SOCs and ThunderX SOCs
- bcm2835: Add new driver for Broadcom BCM2835 controller
- sdhci-xenon: Add driver to support Marvell Xenon SDHCI controller
- sdhci-tegra: Add support for the Tegra186 variant
- sdhci-of-esdhc: Support for UHS-I SD cards
- sdhci-of-esdhc: Support for eMMC HS200 cards
- sdhci-cadence: Add eMMC HS400 enhanced strobe support
- sdhci-esdhc-imx: Reset tuning circuit when needed
- sdhci-pci: Modernize and clean-up some PM related code
- sdhci-pci: Avoid re-tuning at runtime PM for some Intel devices
- sdhci-pci|acpi: Use aggressive PM for some Intel BYT controllers
- sdhci: Re-factoring and modernizations
- sdhci: Optimize delay loops
- sdhci: Improve register dump print format
- sdhci: Add support for the Command Queue Engine
- meson-gx: Various improvements and clean-ups
- meson-gx: Add support for CMD23
- meson-gx: Basic tuning support to avoid CRC errors
- s3cmci: Enable probing via DT
- mediatek: Improve tuning support for eMMC HS200 and HS400 mode
- tmio: Improve DMA support
- tmio: Use correct response for CMD12
- dw_mmc: Minor improvements and clean-ups
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Merge tag 'mmc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Continue to re-factor code to prepare for eMMC CMDQ and blkmq support
- Introduce queue semantics to prepare for eMMC CMDQ and blkmq support
- Add helper functions to manage temporary enable/disable of eMMC CMDQ
- Improve wait-busy detection for SDIO
MMC host:
- cavium: Add driver to support Cavium controllers
- cavium: Extend Cavium driver to support Octeon and ThunderX SOCs
- bcm2835: Add new driver for Broadcom BCM2835 controller
- sdhci-xenon: Add driver to support Marvell Xenon SDHCI controller
- sdhci-tegra: Add support for the Tegra186 variant
- sdhci-of-esdhc: Support for UHS-I SD cards
- sdhci-of-esdhc: Support for eMMC HS200 cards
- sdhci-cadence: Add eMMC HS400 enhanced strobe support
- sdhci-esdhc-imx: Reset tuning circuit when needed
- sdhci-pci: Modernize and clean-up some PM related code
- sdhci-pci: Avoid re-tuning at runtime PM for some Intel devices
- sdhci-pci|acpi: Use aggressive PM for some Intel BYT controllers
- sdhci: Re-factoring and modernizations
- sdhci: Optimize delay loops
- sdhci: Improve register dump print format
- sdhci: Add support for the Command Queue Engine
- meson-gx: Various improvements and clean-ups
- meson-gx: Add support for CMD23
- meson-gx: Basic tuning support to avoid CRC errors
- s3cmci: Enable probing via DT
- mediatek: Improve tuning support for eMMC HS200 and HS400 mode
- tmio: Improve DMA support
- tmio: Use correct response for CMD12
- dw_mmc: Minor improvements and clean-ups"
* tag 'mmc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (148 commits)
mmc: sdhci-of-esdhc: limit SD clock for ls1012a/ls1046a
mmc: sdhci-of-esdhc: poll ESDHC_CLOCK_STABLE bit with udelay
mmc: sdhci-xenon: Fix default value of LOGIC_TIMING_ADJUST for eMMC5.0 PHY
mmc: sdhci-xenon: Fix the work flow in xenon_remove().
MIPS: Octeon: cavium_octeon_defconfig: Enable Octeon MMC
mmc: sdhci-xenon: Remove redundant dev_err call in get_dt_pad_ctrl_data()
mmc: cavium: Use module_pci_driver to simplify the code
mmc: cavium: Add MMC support for Octeon SOCs.
mmc: cavium: Fix detection of block or byte addressing.
mmc: core: Export API to allow hosts to get the card address
mmc: sdio: Fix sdio wait busy implement limitation
mmc: sdhci-esdhc-imx: reset tuning circuit when power on mmc card
clk: apn806: fix spelling mistake: "mising" -> "missing"
mmc: sdhci-of-esdhc: add delay between tuning cycles
mmc: sdhci: Control the delay between tuning commands
mmc: sdhci-of-esdhc: add tuning support
mmc: sdhci-of-esdhc: add support for signal voltage switch
mmc: sdhci-of-esdhc: add peripheral clock support
mmc: sdhci-pci: Allow for 3 bytes from Intel DSM
mmc: cavium: Fix a shift wrapping bug
...
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.12:
API:
- Add batch registration for acomp/scomp
- Change acomp testing to non-unique compressed result
- Extend algorithm name limit to 128 bytes
- Require setkey before accept(2) in algif_aead
Algorithms:
- Add support for deflate rfc1950 (zlib)
Drivers:
- Add accelerated crct10dif for powerpc
- Add crc32 in stm32
- Add sha384/sha512 in ccp
- Add 3des/gcm(aes) for v5 devices in ccp
- Add Queue Interface (QI) backend support in caam
- Add new Exynos RNG driver
- Add ThunderX ZIP driver
- Add driver for hardware random generator on MT7623 SoC"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (101 commits)
crypto: stm32 - Fix OF module alias information
crypto: algif_aead - Require setkey before accept(2)
crypto: scomp - add support for deflate rfc1950 (zlib)
crypto: scomp - allow registration of multiple scomps
crypto: ccp - Change ISR handler method for a v5 CCP
crypto: ccp - Change ISR handler method for a v3 CCP
crypto: crypto4xx - rename ce_ring_contol to ce_ring_control
crypto: testmgr - Allow ecb(cipher_null) in FIPS mode
Revert "crypto: arm64/sha - Add constant operand modifier to ASM_EXPORT"
crypto: ccp - Disable interrupts early on unload
crypto: ccp - Use only the relevant interrupt bits
hwrng: mtk - Add driver for hardware random generator on MT7623 SoC
dt-bindings: hwrng: Add Mediatek hardware random generator bindings
crypto: crct10dif-vpmsum - Fix missing preempt_disable()
crypto: testmgr - replace compression known answer test
crypto: acomp - allow registration of multiple acomps
hwrng: n2 - Use devm_kcalloc() in n2rng_probe()
crypto: chcr - Fix error handling related to 'chcr_alloc_shash'
padata: get_next is never NULL
crypto: exynos - Add new Exynos RNG driver
...
Jon Maloy says:
====================
tipc: refactor socket receive functions
We try to make the functions tipc_sk_recvmsg() and
tipc_sk_recvstream() more readable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We try to make this function more readable by improving variable names
and comments, using more stack variables, and doing some smaller changes
to the logics. We also rename the function to make it consistent with
naming conventions used elsewhere in the code.
Reviewed-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We try to make this function more readable by improving variable names
and comments, plus some minor changes to the logics.
Reviewed-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham says:
====================
net: thunderx: Adds XDP support
This patch series adds support for XDP to ThunderX NIC driver
which is used on CN88xx, CN81xx and CN83xx platforms.
Patches 1-4 are performance improvement and cleanup patches
which are done keeping XDP performance bottlenecks in view.
Rest of the patches adds actual XDP support.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver follows a method of taking one extra reference on the
page for recycling which is fine in usual packet path where
each 64KB page is segmented into multiple receive buffers.
But in XDP mode since there is just one receive buffer per
page taking extra page reference itself becomes big bottleneck
consuming ~50% of CPU cycles due to atomic operations.
This patch adds a internal ref count in pgcache for each
page and additional page references are taken in a batch
instead of just one at a time. Internal i.e 'pgcache->ref_count'
and page's i.e 'page->_refcount' counters are compared to check
page's recyclability.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When in XDP mode reserve XDP_PACKET_HEADROOM bytes at the start
of receive buffer for XDP program to modify headers and adjust
packet start. Additional code changes done to handle such packets.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds support for XDP_TX i.e transmits packet out of
the XDP TX queue mapped to the corresponding Rx queue
on which packet is received.
Since SQ for XDP TX will be used only on a single cpu i.e
SQ description creation and freeing, using atomic free count
is not necessary and will become a bottleneck. Hence added
a separate 'xdp_free_cnt' used for SQs designated for XDP
to track descriptor free count.
Changes also include
- A new entry 'xdp_page' is added to save transmitted packet's
page pointer for later cleanup.
- XDP Tx SQ's doorbell is ringed once per NAPI instance.
- Retrieving designated SQ for packets being sent out by stack
via 'nicvf_xmit'.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds support for XDP_DROP.
Also since in XDP mode there is just a single buffer per page,
made changes to recycle DMA mapping info as well along with pages.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds basic XDP support i.e attaching a BPF program to an
interface. Also takes care of allocating separate Tx queues
for XDP path and for network stack packet transmission.
This patch doesn't support handling of any of the XDP actions,
all are treated as XDP_PASS i.e packets will be handed over to
the network stack.
Changes also involve allocating one receive buffer per page in XDP
mode and multiple in normal mode i.e when no BPF program is attached.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Get rid of unnecessary double pointer references and type casting
in receive buffer allocation code.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Optimized CQE handling with below changes
- Feeing descriptors back to SQ in bulk i.e once per NAPI
instance instead for every CQE_TX, this will reduce number
of atomic updates to 'sq->free_cnt'.
- Checking errors in CQE_TX and CQE_RX before calling appropriate
fn()s to update error stats i.e reduce branching.
Also removed debug messages in packet handling path which otherwise
causes issues if DEBUG is enabled.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Receive buffer's physical address or iova will anyway not
go beyond 49bits, since it is the max supported HW address.
As per perf, updating bitfields i.e buf_addr:42 in RBDR
descriptor entry consumes lots of cpu cycles, hence changed
it to a 64bit field with alignment requirements taken care of.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds support for page recycling for allocating receive buffers
to reduce cost of refilling RBDR ring. Also got rid of using
compound pages when pagesize is 4K, only order-0 pages now.
Only page is recycled, DMA mappings still needs to be done for
every receive buffer allocated due to following constraints
- Cannot have just one receive buffer per 64KB page.
- There is just one buffer ring shared across 8 Rx queues, so
buffers of same page can go to any Rx queue.
- HW gives buffer address where packet has been DMA'ed and not
the index into buffer ring.
This makes it not possible to resue DMA mapping info. So unfortunately
have to go through costly mapping route for every buffer.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should call ipxitf_put() if the copy_to_user() fails.
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jump is now the only one using value action opcode. This is going to
change soon. So introduce helpers to work with this. Convert TC_ACT_JUMP.
This also fixes the TC_ACT_JUMP check, which is incorrectly done as a
bit check, not a value check.
Fixes: e0ee84ded7 ("net sched actions: Complete the JUMPX opcode")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sudarsana Reddy Kalluru says:
====================
qed*: PTP bug fixes.
The series addresses couple of issues in the PTP implementation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
PTP hardware filter configuration performed by the driver for a given
user requested config is not correct for some of the PTP modes.
Following changes are needed for PTP config-filter implementation.
1. NIG_REG_TX_PTP_EN register - Bits 0/1/2 respectively enables
TimeSync/"V1 frame format support"/"V2 frame format support" on
the TX side. Set the associated bits based on the user request.
2. ptp4l application fails to operate in Peer Delay mode. Following
changes are needed to fix this,
a. Driver should enable (set to 0) DA #1-related bits for IPv4,
IPv6 and MAC destination addresses in these registers:
NIG_REG_TX_LLH_PTP_RULE_MASK
NIG_REG_LLH_PTP_RULE_MASK
b. NIG_REG_LLH_PTP_PARAM_MASK/NIG_REG_TX_LLH_PTP_PARAM_MASK should
be set to 0x0 in all modes.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
PTP Tx timestamping data structures are not protected against the
concurrent access in the Tx paths. Protecting the same using atomic
bit locks.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The IOT2000 is industrial controller platform, derived from the Intel
Galileo Gen2 board. The variant IOT2020 comes with one LAN port, the
IOT2040 has two of them. They can be told apart based on the board asset
tag in the DMI table.
Based on patch by Sascha Weisenberger.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Sascha Weisenberger <sascha.weisenberger@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Be careful when comparing tcp_time_stamp to some u32 quantity,
otherwise result can be surprising.
Fixes: 7c106d7e78 ("[TCP]: TCP Low Priority congestion control")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull fs/compat.c cleanups from Al Viro:
"More moving of compat syscalls from fs/compat.c to fs/*.c where the
native counterparts live.
And death to compat_sys_getdents64() - the only architecture that used
to need it was ia64, and _that_ has lost biarch support quite a few
years ago"
* 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs/compat.c: trim unused includes
move compat_rw_copy_check_uvector() over to fs/read_write.c
fhandle: move compat syscalls from compat.c
open: move compat syscalls from compat.c
stat: move compat syscalls from compat.c
fcntl: move compat syscalls from compat.c
readdir: move compat syscalls from compat.c
statfs: move compat syscalls from compat.c
utimes: move compat syscalls from compat.c
move compat select-related syscalls to fs/select.c
Remove compat_sys_getdents64()
Pull splice updates from Al Viro:
"These actually missed the last cycle; the branch itself is from last
December"
* 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make nr_pages calculation in default_file_splice_read() a bit less ugly
splice/tee/vmsplice: validate flags
splice_pipe_desc: kill ->flags
remove spd_release_page()
Pull iov_iter updates from Al Viro:
"Cleanups that sat in -next + -stable fodder that has just missed 4.11.
There's more iov_iter work in my local tree, but I'd prefer to push
the stuff that had been in -next first"
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: don't revert iov buffer if csum error
generic_file_read_iter(): make use of iov_iter_revert()
generic_file_direct_write(): make use of iov_iter_revert()
orangefs: use iov_iter_revert()
sctp: switch to copy_from_iter_full()
net/9p: switch to copy_from_iter_full()
switch memcpy_from_msg() to copy_from_iter_full()
rds: make use of iov_iter_revert()
Pull CIFS fixes from Steve French:
"Three cifs/smb3 fixes - including two for stable"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
cifs: don't check for failure from mempool_alloc()
Do not return number of bytes written for ioctl CIFS_IOC_COPYCHUNK_FILE
Fix match_prepath()
- drop now unneeded is_vmalloc_or_module() check; Laura Abbott
- use enum instead of literals for stack frame API; Sahara
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Merge tag 'usercopy-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardened usercopy updates from Kees Cook:
"A couple hardened usercopy changes:
- drop now unneeded is_vmalloc_or_module() check (Laura Abbott)
- use enum instead of literals for stack frame API (Sahara)"
* tag 'usercopy-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
mm/usercopy: Drop extra is_vmalloc_or_module() check
usercopy: Move enum for arch_within_stack_frames()
- restore powerpc dumping; Ankit Kumar
- fix more bugs in the rarely exercises module unloading logic
- reorganize filesystem locking to fix problems noticed by lockdep
- refactor internal pstore APIs to make development and review easier:
- improve error reporting
- add kernel-doc structure and function comments
- avoid insane argument passing by using a common record structure
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Merge tag 'pstore-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"This has a large internal refactoring along with several smaller
fixes.
- constify compression structures; Bhumika Goyal
- restore powerpc dumping; Ankit Kumar
- fix more bugs in the rarely exercises module unloading logic
- reorganize filesystem locking to fix problems noticed by lockdep
- refactor internal pstore APIs to make development and review
easier:
- improve error reporting
- add kernel-doc structure and function comments
- avoid insane argument passing by using a common record
structure"
* tag 'pstore-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (23 commits)
pstore: Solve lockdep warning by moving inode locks
pstore: Fix flags to enable dumps on powerpc
pstore: Remove unused vmalloc.h in pmsg
pstore: simplify write_user_compat()
pstore: Remove write_buf() callback
pstore: Replace arguments for write_buf_user() API
pstore: Replace arguments for write_buf() API
pstore: Replace arguments for erase() API
pstore: Do not duplicate record metadata
pstore: Allocate records on heap instead of stack
pstore: Pass record contents instead of copying
pstore: Always allocate buffer for decompression
pstore: Replace arguments for write() API
pstore: Replace arguments for read() API
pstore: Switch pstore_mkfile to pass record
pstore: Move record decompression to function
pstore: Extract common arguments into structure
pstore: Add kernel-doc for struct pstore_info
pstore: Improve register_pstore() error reporting
pstore: Avoid race in module unloading
...
guide for user-space API documents, rather sparsely populated at the
moment, but it's a start. Markus improved the infrastructure for
converting diagrams. Mauro has converted much of the USB documentation
over to RST. Plus the usual set of fixes, improvements, and tweaks.
There's a bit more than the usual amount of reaching out of Documentation/
to fix comments elsewhere in the tree; I have acks for those where I could
get them.
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Merge tag 'docs-4.12' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"A reasonably busy cycle for documentation this time around. There is a
new guide for user-space API documents, rather sparsely populated at
the moment, but it's a start. Markus improved the infrastructure for
converting diagrams. Mauro has converted much of the USB documentation
over to RST. Plus the usual set of fixes, improvements, and tweaks.
There's a bit more than the usual amount of reaching out of
Documentation/ to fix comments elsewhere in the tree; I have acks for
those where I could get them"
* tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits)
docs: Fix a couple typos
docs: Fix a spelling error in vfio-mediated-device.txt
docs: Fix a spelling error in ioctl-number.txt
MAINTAINERS: update file entry for HSI subsystem
Documentation: allow installing man pages to a user defined directory
Doc/PM: Sync with intel_powerclamp code behavior
zr364xx.rst: usb/devices is now at /sys/kernel/debug/
usb.rst: move documentation from proc_usb_info.txt to USB ReST book
convert philips.txt to ReST and add to media docs
docs-rst: usb: update old usbfs-related documentation
arm: Documentation: update a path name
docs: process/4.Coding.rst: Fix a couple of document refs
docs-rst: fix usb cross-references
usb: gadget.h: be consistent at kernel doc macros
usb: composite.h: fix two warnings when building docs
usb: get rid of some ReST doc build errors
usb.rst: get rid of some Sphinx errors
usb/URB.txt: convert to ReST and update it
usb/persist.txt: convert to ReST and add to driver-api book
usb/hotplug.txt: convert to ReST and add to driver-api book
...
Pull s390 updates from Martin Schwidefsky:
- three merges for KVM/s390 with changes for vfio-ccw and cpacf. The
patches are included in the KVM tree as well, let git sort it out.
- add the new 'trng' random number generator
- provide the secure key verification API for the pkey interface
- introduce the z13 cpu counters to perf
- add a new system call to set up the guarded storage facility
- simplify TASK_SIZE and arch_get_unmapped_area
- export the raw STSI data related to CPU topology to user space
- ... and the usual churn of bug-fixes and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (74 commits)
s390/crypt: use the correct module alias for paes_s390.
s390/cpacf: Introduce kma instruction
s390/cpacf: query instructions use unique parameters for compatibility with KMA
s390/trng: Introduce s390 TRNG device driver.
s390/crypto: Provide s390 specific arch random functionality.
s390/crypto: Add new subfunctions to the cpacf PRNO function.
s390/crypto: Renaming PPNO to PRNO.
s390/pageattr: avoid unnecessary page table splitting
s390/mm: simplify arch_get_unmapped_area[_topdown]
s390/mm: make TASK_SIZE independent from the number of page table levels
s390/gs: add regset for the guarded storage broadcast control block
s390/kvm: Add use_cmma field to mm_context_t
s390/kvm: Add PGSTE manipulation functions
vfio: ccw: improve error handling for vfio_ccw_mdev_remove
vfio: ccw: remove unnecessary NULL checks of a pointer
s390/spinlock: remove compare and delay instruction
s390/spinlock: use atomic primitives for spinlocks
s390/cpumf: simplify detection of guest samples
s390/pci: remove forward declaration
s390/pci: increase the PCI_NR_FUNCTIONS default
...
I say:
====================
Fix some bpf program testing framework bugs
This series fixes two issue:
1) Accidental user pointer dereference in bpf_test_finish()
2) The packet data given to the test programs is not aligned correctly
The first issue is fixed simply because we have a kernel side copy
of the datastructure in question already. And the second bug is
a simple matter of applying NET_IP_ALIGN where needed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure we apply NET_IP_ALIGN when reserving headroom for SKB
and XDP test runs, just like a real driver would.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Instead, pass the kattr in which has a kernel side copy of this
data structure from userspace already.
Fix based upon a suggestion from Alexei Starovoitov.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Fix kdoc parameter spelling from extact to extack.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the following warnings triggered by 51570a5ab2 ("A Sample of
using socket cookie and uid for traffic monitoring"):
In file included from /home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:54:0:
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c: In function 'prog_load':
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:119:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, uid)),
^
/home/foo/net-next/samples/bpf/libbpf.h:135:12: note: in definition of macro 'BPF_STX_MEM'
.off = OFF, \
^
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:121:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, packets), 1),
^
/home/foo/net-next/samples/bpf/libbpf.h:155:12: note: in definition of macro 'BPF_ST_MEM'
.off = OFF, \
^
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:129:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, bytes)),
^
/home/foo/net-next/samples/bpf/libbpf.h:135:12: note: in definition of macro 'BPF_STX_MEM'
.off = OFF, \
^
HOSTLD /home/foo/net-next/samples/bpf/per_socket_stats_example
Fixes: 51570a5ab2 ("A Sample of using socket cookie and uid for traffic monitoring")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull x86 mm updates from Ingo Molnar:
"The main x86 MM changes in this cycle were:
- continued native kernel PCID support preparation patches to the TLB
flushing code (Andy Lutomirski)
- various fixes related to 32-bit compat syscall returning address
over 4Gb in applications, launched from 64-bit binaries - motivated
by C/R frameworks such as Virtuozzo. (Dmitry Safonov)
- continued Intel 5-level paging enablement: in particular the
conversion of x86 GUP to the generic GUP code. (Kirill A. Shutemov)
- x86/mpx ABI corner case fixes/enhancements (Joerg Roedel)
- ... plus misc updates, fixes and cleanups"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (62 commits)
mm, zone_device: Replace {get, put}_zone_device_page() with a single reference to fix pmem crash
x86/mm: Fix flush_tlb_page() on Xen
x86/mm: Make flush_tlb_mm_range() more predictable
x86/mm: Remove flush_tlb() and flush_tlb_current_task()
x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly()
x86/mm/64: Fix crash in remove_pagetable()
Revert "x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation"
x86/boot/e820: Remove a redundant self assignment
x86/mm: Fix dump pagetables for 4 levels of page tables
x86/mpx, selftests: Only check bounds-vs-shadow when we keep shadow
x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
Revert "x86/mm/numa: Remove numa_nodemask_from_meminfo()"
x86/espfix: Add support for 5-level paging
x86/kasan: Extend KASAN to support 5-level paging
x86/mm: Add basic defines/helpers for CONFIG_X86_5LEVEL=y
x86/paravirt: Add 5-level support to the paravirt code
x86/mm: Define virtual memory map for 5-level paging
x86/asm: Remove __VIRTUAL_MASK_SHIFT==47 assert
x86/boot: Detect 5-level paging support
x86/mm/numa: Remove numa_nodemask_from_meminfo()
...
David S. Miller
Linus Torvalds
Jon Paul Maloy
Sunil Goutham
Dan Carpenter
Jiri Pirko
sudarsana.kalluru@cavium.com
Jan Kiszka
Timmy Li
Eric Dumazet
Daniel Borkmann
Jakub Kicinski
Jiri Kosina