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Vince reported a watchdog lockup like:
[<ffffffff8115e114>] perf_tp_event+0xc4/0x210
[<ffffffff810b4f8a>] perf_trace_lock+0x12a/0x160
[<ffffffff810b7f10>] lock_release+0x130/0x260
[<ffffffff816c7474>] _raw_spin_unlock_irqrestore+0x24/0x40
[<ffffffff8107bb4d>] do_send_sig_info+0x5d/0x80
[<ffffffff811f69df>] send_sigio_to_task+0x12f/0x1a0
[<ffffffff811f71ce>] send_sigio+0xae/0x100
[<ffffffff811f72b7>] kill_fasync+0x97/0xf0
[<ffffffff8115d0b4>] perf_event_wakeup+0xd4/0xf0
[<ffffffff8115d103>] perf_pending_event+0x33/0x60
[<ffffffff8114e3fc>] irq_work_run_list+0x4c/0x80
[<ffffffff8114e448>] irq_work_run+0x18/0x40
[<ffffffff810196af>] smp_trace_irq_work_interrupt+0x3f/0xc0
[<ffffffff816c99bd>] trace_irq_work_interrupt+0x6d/0x80
Which is caused by an irq_work generating new irq_work and therefore
not allowing forward progress.
This happens because processing the perf irq_work triggers another
perf event (tracepoint stuff) which in turn generates an irq_work ad
infinitum.
Avoid this by raising the recursion counter in the irq_work -- which
effectively disables all software events (including tracepoints) from
actually triggering again.
Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Tested-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20150219170311.GH21418@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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commit id 2ba9f0d has changed CONFIG_KVM_BOOK3S_64_HV to tristate to allow
HV/PR bits to be built as modules. But the MCE code still depends on
CONFIG_KVM_BOOK3S_64_HV which is wrong. When user selects
CONFIG_KVM_BOOK3S_64_HV=m to build HV/PR bits as a separate module the
relevant MCE code gets excluded.
This patch fixes the MCE code to use CONFIG_KVM_BOOK3S_64_HANDLER. This
makes sure that the relevant MCE code is included when HV/PR bits
are built as a separate modules.
Fixes: 2ba9f0d88750 ("kvm: powerpc: book3s: Support building HV and PR KVM as module")
Cc: stable@vger.kernel.org # v3.14+
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
* avoid panic with lots of IBSS stations
* Fix dvm's behavior after suspend resume
* Allow to keep connection after CSA failure
* Remove a noisy by harmless WARN_ON
* New device IDs
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For the Apple Bluetooth devices that are Broadcom based, it makes sense
to read the chip information. It is a single HCI command and might help
gathering more information about these devices.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Pull bugfix for md from Neil Brown:
"One fix for md in 4.0-rc4
Regression in recent patch causes crash on error path"
* tag 'md/4.0-rc4-fix' of git://neil.brown.name/md:
md: fix problems with freeing private data after ->run failure.
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Change __raw accesors to endian agnostic versions to allow the driver
to work properly on big endian systems.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The hnd field of the structs does not need to be __le32: the
device just returns the value without using it itself.
Signed-off-by: Thomas Körper <thomas.koerper@esd.eu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Add <ifname>-rxtx trigger, that will be activated both for tx
as rx events. This trigger mimics "activity" LED for Ethernet
devices.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch removes the return from the void function m_can_fifo_write().
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Use can-dev's unregister_candev() instead of directly calling
networking unregister_netdev(). While both are functionally
equivalent, unregister_candev() might do extra stuff in the
future than just calling networking layer unregistration code.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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It is identical to the can destructor.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree,
they are:
1) Fix missing initialization of tuple structure in nfnetlink_cthelper
to avoid mismatches when looking up to attach userspace helpers to
flows, from Ian Wilson.
2) Fix potential crash in nft_hash when we hit -EAGAIN in
nft_hash_walk(), from Herbert Xu.
3) We don't need to indicate the hook information to update the
basechain default policy in nf_tables.
4) Restore tracing over nfnetlink_log due to recent rework to
accomodate logging infrastructure into nf_tables.
5) Fix wrong IP6T_INV_PROTO check in xt_TPROXY.
6) Set IP6T_F_PROTO flag in nft_compat so we can use SYNPROXY6 and
REJECT6 from xt over nftables.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two bugfixes for things reported. One regression in kernfs,
and another issue fixed in the LZ4 code that was fixed in the
"upstream" codebase that solves a reported kernel crash
Both have been in linux-next for a while"
* tag 'driver-core-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
LZ4 : fix the data abort issue
kernfs: handle poll correctly on 'direct_read' files.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are three fixes for 4.0-rc5 that revert 3 PCMCIA patches that
were merged in 4.0-rc1 that cause regressions. So let's revert them
for now and they will be reworked and resent sometime in the future.
All have been tested in linux-next for a while"
* tag 'char-misc-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Revert "pcmcia: add a new resource manager for non ISA systems"
Revert "pcmcia: fix incorrect bracketing on a test"
Revert "pcmcia: add missing include for new pci resource handler"
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Make sure IP6T_F_PROTO is set to enforce layer 4 protocol matching from
the ip6_tables core.
Suggested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are four small staging driver fixes, all for the vt6656 and
vt6655 drivers, that resolve some reported issues with them.
All of these patches have been in linux next for a while"
* tag 'staging-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
vt6655: Fix late setting of byRFType.
vt6655: RFbSetPower fix missing rate RATE_12M
staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M
staging: vt6655: vnt_tx_packet fix dma_idx selection.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fix from Greg KH:
"Here's a single 8250 serial driver that fixes a reported deadlock with
the serial console and the tty driver.
It's been in linux-next for a while now"
* tag 'tty-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_dw: Fix deadlock in LCR workaround
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sets
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix a race condition and unnecessary locking:
* the root rb_node must only be accessed under the lock in nft_rbtree_lookup()
* the lock is not needed in lookup functions in netlink context
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The br_netfilter frag output function calls skb_cow_head() so in
case it needs a larger headroom to e.g. re-add a previously stripped PPPOE
or VLAN header things will still work (at cost of reallocation).
We can then move nf_bridge_encap_header_len to br_netfilter.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY driver fixes from Greg KH:
"Here's a number of USB and PHY driver fixes for 4.0-rc5.
The largest thing here is a revert of a gadget function driver patch
that removes 500 lines of code. Other than that, it's a number of
reported bugs fixes and new quirk/id entries.
All have been in linux-next for a while"
* tag 'usb-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: common: otg-fsm: only signal connect after switching to peripheral
uas: Add US_FL_NO_ATA_1X for Initio Corporation controllers / devices
USB: ehci-atmel: rework clk handling
MAINTAINERS: add entry for USB OTG FSM
usb: chipidea: otg: add a_alt_hnp_support response for B device
phy: omap-usb2: Fix missing clk_prepare call when using old dt name
phy: ti/omap: Fix modalias
phy: core: Fixup return value of phy_exit when !pm_runtime_enabled
phy: miphy28lp: Convert to devm_kcalloc and fix wrong sizof
phy: miphy365x: Convert to devm_kcalloc and fix wrong sizeof
phy: twl4030-usb: Remove redundant assignment for twl->linkstat
phy: exynos5-usbdrd: Fix off-by-one valid value checking for args->args[0]
phy: Find the right match in devm_phy_destroy()
phy: rockchip-usb: Fixup rockchip_usb_phy_power_on failure path
phy: ti-pipe3: Simplify ti_pipe3_dpll_wait_lock implementation
phy: samsung-usb2: Remove NULL terminating entry from phys array
phy: hix5hd2-sata: Check return value of platform_get_resource
phy: exynos-dp-video: Kill exynos_dp_video_phy_pwr_isol function
Revert "usb: gadget: zero: Add support for interrupt EP"
Revert "xhci: Clear the host side toggle manually when endpoint is 'soft reset'"
...
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ip6tables extensions check for this flag to restrict match/target to a
given protocol. Without this flag set, SYNPROXY6 returns an error.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Patrick McHardy <kaber@trash.net>
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Return EPROBE_DEFER if Regulator returns EPROBE_DEFER
If the Flexcan driver is built into kernel and a regulator is used to
enable the CAN transceiver, the Flexcan driver may not use the regulator.
When initializing the Flexcan device with a regulator defined in the device
tree, but not initialized, the regulator subsystem returns EPROBE_DEFER, hence
the Flexcan init fails.
The solution for this is to return EPROBE_DEFER if regulator is not initialized
and wait until the regulator is initialized.
Signed-off-by: Andreas Werner <kernel@andy89.org>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Making sure that the bus-off state gets passed to can_change_state().
Signed-off-by: Andri Yngvason <andri.yngvason@marel.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The PCAN USB (pro) FD adapters with firmware versions > 2.x support the
switching between ISO (default) and non-ISO conform bitstreams on the CAN bus.
The setting for the 2.x firmware adapters can be modified with the 'ip' tool
from the iproute2 package (option: fd-non-iso [on|off]).
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The PUCAN_CMD_RX_FRAME_(ENABLE|DISABLE) command has extended its purpose
and was therefore renamed to PUCAN_CMD_SET_(EN|DIS)_OPTION.
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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smatch detected the following issue:
drivers/net/can/usb/gs_usb.c:904 gs_usb_probe() error:
potential null dereference 'dev'. (kzalloc returns null)
Add a check for null return from kzalloc and return -ENOMEM
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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USB endpoint's wMaxPacketSize field is an le16 entity. Use
appropriate le16_to_cpu macros to maintain endian independence.
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Current driver code arbitrarily assumes a max outstanding tx
value of 16 parallel transmissions. Meanwhile, the device
firmware provides its actual maximum inside its reply to the
CMD_GET_SOFTWARE_INFO message.
Under heavy tx traffic, if the interleaved transmissions count
increases above the limit reported by firmware, the firmware
breaks up badly, reports a massive list of internal errors, and
the candump traces hardly matches the actual frames sent and
received.
On the other hand, in certain models, the firmware can support
up to 48 tx URBs instead of just 16, increasing the driver
throughput by two-fold and reducing the possibility of -ENOBUFs.
Thus dynamically set the driver's max tx URBs value according
to firmware replies.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The hci_request in le_scan_disable_work_complete() was being initialized
in a general context but only used in a specific branch in the function
(when simultaneous discovery is not supported). This patch moves the
usage to be limited to the branch where hci_req_run() is actually
called.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Transmission of an AP beacon does not call the TX interrupt service routine,
which usually does the cleanup. Instead, cleanup is handled in a tasklet
completion routine. Unfortunately, this routine has a serious bug in that it does
not release the DMA mapping before it frees the skb, thus one IOMMU mapping is
leaked for each beacon. The test system failed with no free IOMMU mapping slots
approximately one hour after hostapd was used to start an AP.
This issue was reported and tested at https://github.com/lwfinger/rtlwifi_new/issues/30.
Reported-and-tested-by: Kevin Mullican <kevin@mullican.com>
Cc: Kevin Mullican <kevin@mullican.com>
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [3.18+]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When the device is powered up, some (older) firmware versions fail to work
properly if we send commands before the boot is complete (everything is OK
when the device is hot-plugged). The firmware indicates its ready status by
putting the link up.
Newer firmwares delay the first command so they don't suffer from this problem.
They also report the link being always up.
Wait for firmware to become ready (link up) before sending any commands and/or
data.
This also allows lowering CMD_TIMEOUT value to a reasonable time.
Tested with 4.1.0.9 (old) and 4.1.0.30 (new) firmware versions.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull slave dmaengine fixes from Vinod Koul:
"Four fixes for dw, pl08x, imx-sdma and at_hdmac driver. Nothing
unusual here, simple fixes to these drivers"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pl08x: Define capabilities for generic capabilities reporting
dmaengine: dw: append MODULE_ALIAS for platform driver
dmaengine: imx-sdma: switch to dynamic context mode after script loaded
dmaengine: at_hdmac: Fix calculation of the residual bytes
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are fixes for recent regressions (PCI/ACPI resources and at91
RTC locking), a stable-candidate powercap RAPL driver fix and two ARM
cpuidle fixes (one stable-candidate too).
Specifics:
- Revert a recent PCI commit related to IRQ resources management that
introduced a regression for drivers attempting to bind to devices
whose previous drivers did not balance pci_enable_device() and
pci_disable_device() as expected (Rafael J Wysocki).
- Fix a deadlock in at91_rtc_interrupt() introduced by a typo in a
recent commit related to wakeup interrupt handling (Dan Carpenter).
- Allow the power capping RAPL (Running-Average Power Limit) driver
to use different energy units for domains within one CPU package
which is necessary to handle Intel Haswell EP processors correctly
(Jacob Pan).
- Improve the cpuidle mvebu driver's handling of Armada XP SoCs by
updating the target residency and exit latency numbers for those
chips (Sebastien Rannou).
- Prevent the cpuidle mvebu driver from calling cpu_pm_enter() twice
in a row before cpu_pm_exit() is called on the same CPU which
breaks the core's assumptions regarding the usage of those
functions (Gregory Clement)"
* tag 'pm+acpi-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "x86/PCI: Refine the way to release PCI IRQ resources"
rtc: at91rm9200: double locking bug in at91_rtc_interrupt()
powercap / RAPL: handle domains with different energy units
cpuidle: mvebu: Update cpuidle thresholds for Armada XP SOCs
cpuidle: mvebu: Fix the CPU PM notifier usage
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Pull drm updates from Dave Airlie:
"A bunch of fixes across drivers:
radeon:
disable two ended allocation for now, it breaks some stuff
amdkfd:
misc fixes
nouveau:
fix irq loop problem, add basic support for GM206 (new hw)
i915:
fix some WARNs people were seeing
exynos:
fix some iommu interactions causing boot failures"
* git://people.freedesktop.org/~airlied/linux:
drm/radeon: drop ttm two ended allocation
drm/exynos: fix the initialization order in FIMD
drm/exynos: fix typo config name correctly.
drm/exynos: Check for NULL dereference of crtc
drm/exynos: IS_ERR() vs NULL bug
drm/exynos: remove unused files
drm/i915: Make sure the primary plane is enabled before reading out the fb state
drm/nouveau/bios: fix i2c table parsing for dcb 4.1
drm/nouveau/device/gm100: Basic GM206 bring up (as copy of GM204)
drm/nouveau/device: post write to NV_PMC_BOOT_1 when flipping endian switch
drm/nouveau/gr/gf100: fix some accidental or'ing of buffer addresses
drm/nouveau/fifo/nv04: remove the loop from the interrupt handler
drm/radeon: Changing number of compute pipe lines
drm/amdkfd: Fix SDMA queue init. in non-HWS mode
drm/amdkfd: destroy mqd when destroying kernel queue
drm/i915: Ensure plane->state->fb stays in sync with plane->fb
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more DeviceTree fixes vfom Rob Herring:
- revert setting stdout-path as preferred console. This caused
regressions in PowerMACs and other systems.
- yet another fix for stdout-path option parsing.
- fix error path handling in of_irq_parse_one
* tag 'devicetree-fixes-for-4.0-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
Revert "of: Fix premature bootconsole disable with 'stdout-path'"
of: handle both '/' and ':' in path strings
of: unittest: Add option string test case with longer path
of/irq: Fix of_irq_parse_one() returned error codes
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Pull SCSI target fixes from Nicholas Bellinger:
"Here are current target-pending fixes for v4.0-rc5 code that have made
their way into the queue over the last weeks.
The fixes this round include:
- Fix long-standing iser-target logout bug related to early
conn_logout_comp completion, resulting in iscsi_conn use-after-tree
OOpsen. (Sagi + nab)
- Fix long-standing tcm_fc bug in ft_invl_hw_context() failure
handing for DDP hw offload. (DanC)
- Fix incorrect use of unprotected __transport_register_session() in
tcm_qla2xxx + other single local se_node_acl fabrics. (Bart)
- Fix reference leak in target_submit_cmd() -> target_get_sess_cmd()
for ack_kref=1 failure path. (Bart)
- Fix pSCSI backend ->get_device_type() statistics OOPs with
un-configured device. (Olaf + nab)
- Fix virtual LUN=0 target_configure_device failure OOPs at modprobe
time. (Claudio + nab)
- Fix FUA write false positive failure regression in v4.0-rc1 code.
(Christophe Vu-Brugier + HCH)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: do not reject FUA CDBs when write cache is enabled but emulate_write_cache is 0
target: Fix virtual LUN=0 target_configure_device failure OOPs
target/pscsi: Fix NULL pointer dereference in get_device_type
tcm_fc: missing curly braces in ft_invl_hw_context()
target: Fix reference leak in target_get_sess_cmd() error path
loop/usb/vhost-scsi/xen-scsiback: Fix use of __transport_register_session
tcm_qla2xxx: Fix incorrect use of __transport_register_session
iscsi-target: Avoid early conn_logout_comp for iser connections
Revert "iscsi-target: Avoid IN_LOGOUT failure case for iser-target"
target: Disallow changing of WRITE cache/FUA attrs after export
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull devicemapper fixes from Mike Snitzer:
"A handful of stable fixes for DM:
- fix thin target to always zero-fill reads to unprovisioned blocks
- fix to interlock device destruction's suspend from internal
suspends
- fix 2 snapshot exception store handover bugs
- fix dm-io to cope with DISCARD and WRITE_SAME capabilities changing"
* tag 'dm-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRITE_SAME
dm snapshot: suspend merging snapshot when doing exception handover
dm snapshot: suspend origin when doing exception handover
dm: hold suspend_lock while suspending device during device deletion
dm thin: fix to consistently zero-fill reads to unprovisioned blocks
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"Most of these are fixing extent reservation accounting, or corners
with tree writeback during commit.
Josef's set does add a test, which isn't strictly a fix, but it'll
keep us from making this same mistake again"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix outstanding_extents accounting in DIO
Btrfs: add sanity test for outstanding_extents accounting
Btrfs: just free dummy extent buffers
Btrfs: account merges/splits properly
Btrfs: prepare block group cache before writing
Btrfs: fix ASSERT(list_empty(&cur_trans->dirty_bgs_list)
Btrfs: account for the correct number of extents for delalloc reservations
Btrfs: fix merge delalloc logic
Btrfs: fix comp_oper to get right order
Btrfs: catch transaction abortion after waiting for it
btrfs: fix sizeof format specifier in btrfs_check_super_valid()
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Pull nfsd bufix from Bruce Fields:
"This is a fix for a crash easily triggered by 4.1 activity to a server
built with CONFIG_NFSD_PNFS.
There are some more bugfixes queued up that I intend to pass along
next week, but this is the most critical"
* 'for-4.0' of git://linux-nfs.org/~bfields/linux:
Subject: nfsd: don't recursively call nfsd4_cb_layout_fail
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Pull UBI fix from Artem Bityutskiy:
"This fixes a bug introduced during the v4.0 merge window where we
forgot to put braces where they should be"
* tag 'upstream-4.0-rc5' of git://git.infradead.org/linux-ubifs:
UBI: fix missing brace control flow
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- mm switching fix where the kernel pgd ends up in the user TTBR0 after
returning from an EFI run-time services call
- fix __GFP_ZERO handling for atomic pool and CMA DMA allocations (the
generic code does get the gfp flags, so it's left with the arch code
to memzero accordingly)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Honor __GFP_ZERO in dma allocations
arm64: efi: don't restore TTBR0 if active_mm points at init_mm
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Pull ARM fixes from Russell King:
"Another few ARM fixes. Fabrice fixed the L2 cache DT parsing to allow
prefetch configuration to be specified even when the cache size
parsing fails.
Laura noticed that the setting of page attributes wasn't working for
modules due to is_module_addr() always returning false.
Marc Gonzalez (aka Mason) noticed a potential latent bug with the way
we read one of the CPUID registers (where we could attempt to read a
non-present CPUID register which may fault.)
I've fixed an issue where 32-bit DMA masks were failing with memory
which extended to the top of physical address space, and I've also
added debugging output of the page tables when we hit a data access
exception which we don't specifically handle - prompted by the lack of
information in a bug report"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8313/1: Use read_cpuid_ext() macro instead of inline asm
ARM: 8311/1: Don't use is_module_addr in setting page attributes
ARM: 8310/1: l2c: Fix prefetch settings dt parsing
ARM: dump pgd, pmd and pte states on unhandled data abort faults
ARM: dma-api: fix off-by-one error in __dma_supported()
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AIC needs to be registered only when BTCOEX is enabled.
This fixes the error reported by kbuild:
>> ERROR: "ar9003_hw_attach_aic_ops" [drivers/net/wireless/ath/ath9k/ath9k_hw.ko] undefined!
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The BCM43362 firmware falsely reports it is capable of providing
MBSS. As a result AP mode no longer works for this device. Therefor
disable MBSS in the driver for this chipset.
Cc: stable@vger.kernel.org # 3.19.y
Reported-by: Jorg Krause <jkrause@posteo.de>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The Broadcom devices expose their chip id via Read Verbose Config
Version Info command. While this information is not used at the
moment, it might be useful for debugging purposes and so read it
before patching the firmware. This makes it show up in dmesg and
HCI traces taken for the system.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Instead of computing the offset from trailer, this patch computes
netlink_compare_arg_len from the offset of portid and then adds 4
to it. This allows trailer to be removed.
Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Murali Karicheri says:
====================
NetCP: Add support for version 1.5
NetCP 1.5 is used in newer K2 SoCs from Texas Instruments
such as K2E, K2L etc. This patch series add support for Ethss
driver for this version of NetCP. While at it, fix couple of
bugs in the original driver.
One of the earlier patch "net: netcp: select davinci_mdio driver
by default" is folded onto this series.
Please review and let me know your comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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NetCP 1.5 available on newer K2 SoCs such as K2E and K2L introduced 3
variants of the ethss subsystem, 9 port, 5 port and 2 port. These have
one host port towards the CPU and N external slave ports.
To customize the driver for these new ethss sub systems, multiple
compatibility strings are introduced. Currently some of parameters that
are different on different variants such as number of ALE ports, stats
modules and number of ports are defined through constants. These are now
changed to variables in gbe_priv data that get set based on the
compatibility string. This is required as there are no hardware
identification registers available to distinguish among the variants
of NetCP 1.5 ethss. However there is identification register available
to differentiate between NetCP 1.4 vs NetCP 1.5 and the same is made use
of in the code to differentiate them.
For more reading on the details of this peripheral, please refer to the
User Guide available at http://www.ti.com/lit/pdf/spruhz3
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Mugunthan V N <mugunthanvnm@ti.com>
CC: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
CC: Grygorii Strashko <grygorii.strashko@ti.com>
CC: Christoph Jaeger <cj@linux.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Markus Pargmann <mpa@pengutronix.de>
CC: Kumar Gala <galak@codeaurora.org>
CC: Ian Campbell <ijc+devicetree@hellion.org.uk>
CC: Mark Rutland <mark.rutland@arm.com>
CC: Pawel Moll <pawel.moll@arm.com>
CC: Rob Herring <robh+dt@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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