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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull RDMA/InfiniBand fixes from Roland Dreier:
- Fix some rough edges from the "IP addressing for IBoE" merge
- Other misc fixes, mostly to hardware drivers
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (21 commits)
RDMA/ocrdma: Fix load time panic during GID table init
RDMA/ocrdma: Fix traffic class shift
IB/iser: Fix use after free in iser_snd_completion()
IB/iser: Avoid dereferencing iscsi_iser conn object when not bound to iser connection
IB/usnic: Fix smatch endianness error
IB/mlx5: Remove dependency on X86
mlx5: Add include of <linux/slab.h> because of kzalloc()/kfree() use
IB/qib: Add missing serdes init sequence
RDMA/cxgb4: Add missing neigh_release in LE-Workaround path
IB: Report using RoCE IP based gids in port caps
IB/mlx4: Build the port IBoE GID table properly under bonding
IB/mlx4: Do IBoE GID table resets per-port
IB/mlx4: Do IBoE locking earlier when initializing the GID table
IB/mlx4: Move rtnl locking to the right place
IB/mlx4: Make sure GID index 0 is always occupied
IB/mlx4: Don't allocate range of steerable UD QPs for Ethernet-only device
RDMA/amso1100: Fix error return code
RDMA/nes: Fix error return code
IB/mlx5: Don't set "block multicast loopback" capability
IB/mlx5: Fix binary compatibility with libmlx5
...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix arithmetic overflow in ntc_thermistor driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ntc_thermistor) Avoid math overflow
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Pull battery fixes from Dmitry Eremin-Solenikov:
- Fix NULL pointer dereference in max17040 driver
- Add bq2415x dts bindings documentation
- Fix misleading comment in ds2782 driver
- Remove useless check in isp1704 charger driver.
* tag 'for-v3.14-fixes' of git://git.infradead.org/battery-2.6:
power: max17040: Fix NULL pointer dereference when there is no platform_data
dt: binding documentation for bq2415x charger
isp1704_charger: remove useless check in isp1704_charger_probe()
power: ds2782_battery: Typo in comment
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'ocrdma', 'qib' and 'usnic' into for-next
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We should use rdma_vlan_dev_real_dev() instead of using vlan_dev_real_dev()
when building the GID table for a vlan interface.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Use correct value for obtaining traffic class from device
response for Query QP request.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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We use "tx_desc" again after we free it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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connection
Fix a possible NULL pointer dereference in disconnection flow. This
can happen if the target disconnected/rejected the connection request,
e.g before the binding stage between iscsi connection to the transport
connection.
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Error reported at http://marc.info/?l=linux-rdma&m=138995755801039&w=2
Fix short to int cast for big endian systems.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Remove Kconfig dependency of mlx5_ib/mlx5_core on X86, since there is
no such dependency in reality.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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On some architectures (for example, arm), we don't end up indirectly
pulling in the declaration of kzalloc() and kfree(), and so building
anything that includes <linux/mlx5/driver.h> breaks. Fix this by adding
an explicit include to get the declaration.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The ntc thermistor code was doing math whose temporary result might
have overflowed 32-bits. We need some casts in there to make it safe.
In one example I found:
- pullup_uV: 1800000
- result of iio_read_channel_raw: 3226
- 1800000 * 3226 => 0x15a1cbc80
Signed-off-by: Doug Anderson <dianders@chromium.org>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Research has shown that commit a77fcf895046 ("IB/qib: Use a single
txselect module parameter for serdes tuning") missed a key serdes init
sequence.
This patch add that sequence.
Cc: <stable@vger.kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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For userspace RoCE UD QPs we need to know the GID format that the
kernel uses, e.g when working over older kernels. For that end, add a
new port capability IB_PORT_IP_BASED_GIDS and report it when query
port is issued.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When scanning netdevices we need to check a few more conditions and
cases to build the IBoE GID table properly. For example, under
bonding we must make sure that when a port is down, the bond IP
address isn't programmed as a GID, since doing so will cause failure
with IB core flows that selects ports by GID.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The IBoE code used to reset the GID table did it for all Ethernet
ports of the device. Since the whole architecture of generating GIDs
and responding to events is port-based, this is inefficient and can
lead to wrong content in the GID table. Change the reset flow to be
per-port.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Updating the GID table under IBoE requires read/write from/to shared
data structures. These data structures are protected with the device
iboe lock. The flows that modify the GID table start from
1. Initializing the GID table
2. NETDEV events
3. INET or INET6 events
This patch makes sure that the flow of initializing the GID table is
consistent with the other two flows w.r.t on what step the lock is taken.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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On the one hand, the invocation of netdev_master_upper_dev_get()
within mlx4_ib_scan_netdevs() must be done with rtnl lock held. On
the other hand, it's wrong to call rtnl_lock() from within this
function since it's also called by our netdev notifier callback.
Therefore move the locking to mlx4_ib_add() so that both cases are
covered.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Make sure that for Ethernet ports, the port GID table index 0 is always
occupied with a default GID of the relevant IPv6 link-local adderss.
This provides better user experience for legacy applications that don't use
the RDMA CM and were working on index 0 prior to the IP addressing change.
Also, as GIDs are generated from IP addresses of the network devices that
are associated with the port, it's basically possible that the GID table
will be empty if no IP address was assigned. This doesn't comply with the
IB spec section 4.1.1 "GID usage and properties".
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When the device has only Ethernet ports, don't try to allocate range
of steerable UD QPs since they aren't needed. This fixes an issue
where mlx4 VFs tried to allocate a range of UD steerable QPs, but
failed to do so.
Fixes: c1c98501121e ("IB/mlx4: Add support for steerable IB UD QPs")
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen bugfixes from Konrad Rzeszutek Wilk:
"This has an healthy amount of code being removed - which we do not use
anymore (the only user of it was ia64 Xen which had been removed
already). The other bug-fixes are to make Xen ARM be able to use the
new event channel mechanism and proper export of header files to
user-space.
Summary:
- Fix ARM and Xen FIFO not working.
- Remove more Xen ia64 vestigates.
- Fix UAPI missing Xen files"
* tag 'stable/for-linus-3.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
ia64/xen: Remove Xen support for ia64 even more
xen: install xen/gntdev.h and xen/gntalloc.h
xen/events: bind all new interdomain events to VCPU0
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Set the return variable to an error code as done elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Set the return variable to an error code as done elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two driver fixes, one fixing the mapping of interrupts on da9055
(which previously wouldn't have worked at all) and a fix for reference
counting OF nodes in the max14577 driver"
* tag 'regulator-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: da9055: Remove use of regmap_irq_get_virq()
regulator: max14577: Add missing of_node_put
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here are some accumulated patches with small fixes for this and that
in a few GPIO drivers, and a more important fix to an #ifdef in the
GPIO consumer header.
Summary:
- Get #ifdef's right in the <linux/gpio/consumer.h> header.
- Minor fixes to tb10x, clps711x, bcm281xx, intel-mid and xtensa GPIO
drivers"
* tag 'gpio-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: consumer.h: Move forward declarations outside #ifdef
gpio: tb10x: GPIO_TB10X needs to select GENERIC_IRQ_CHIP
gpio: clps711x: Add module alias to support module auto loading
gpio: bcm281xx: Update MODULE_AUTHOR
gpio: intel-mid: fix the incorrect return of idle callback
gpio: xtensa: fix build when XCHAL_HAVE_CP is 0
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver and documentation fixes, plus a fix for double error
handling which had crept in due to the confusing documentation - it
wasn't clear if the core or the driver was responsible for cleanup in
error cases so both tried to do it with unfortunate results"
* tag 'spi-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true
spi: rspi: Document support for Renesas QSPI in Kconfig
spi: Fix crash with double message finalisation on error handling
spi: correct the transfer_one_message documentation wording
spi: document the transfer_one spi_master callback
spi: spi.h: clarify the documentation of transfer_one
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Pull drm fixes from Dave Airlie:
"Nothing too crazy.
Radeon irq fixes, i915 regression fixes, exynos fixes, tda998x chip
fixes, and a bunch of msm fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (31 commits)
drm/i915: Pair va_copy with va_end in i915_error_vprintf
drm/i915: Fix intel_pipe_to_cpu_transcoder for UMS
drm/i915: Disable dp aux irq on g4x
drm/msm: bigger synchronization hammer
drm/exynos: Convert to use the standard hdmi.h header
drm/exynos: Fix trivial typo
drm/exynos: Remove unnecessary semicolon
drm/exynos: Fix multiplatform breakage for ipp/gsc
drm/exynos: Fix freeing issues in exynos_drm_drv.c
drm/radeon: add missing include in btc_dpm.c
drm/radeon/dpm: fix uninitialized read from stack in kv_dpm_late_enable
drm/radeon: remove useless return
drm/radeon/dpm: use stored max_vddc rather than looking it up
drm/radeon/dpm: use the driver state for dpm debugfs
drm/radeon: fix UVD IRQ support on 7xx
drm/radeon: fix UVD IRQ support on SI
drm/msm: fix deadlock in bo create fail path
drm/msm/mdp4: cursor fixes
drm/msm/mdp4: pageflip fixes
drm/msm/mdp5: fix ref leaks in error paths
...
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'regulator/fix/max14577' into regulator-linus
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"Here is some powerpc goodness for -rc2. Arguably -rc1 material more
than -rc2 but I was travelling (again !)
It's mostly bug fixes including regressions, but there are a couple of
new things that I decided to drop-in.
One is a straightforward patch from Michael to add a bunch of P8 cache
events to perf.
The other one is a patch by myself to add the direct DMA (iommu
bypass) for PCIe on Power8 for 64-bit capable devices. This has been
around for a while, I had lost track of it. However it's been in our
internal kernels we use for testing P8 already and it affects only P8
related code. Since P8 is still unreleased the risk is pretty much
nil at this point"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/powernv: Add iommu DMA bypass support for IODA2
powerpc: Fix endian issues in kexec and crash dump code
powerpc/ppc32: Fix the bug in the init of non-base exception stack for UP
powerpc/xmon: Don't signal we've entered until we're finished printing
powerpc/xmon: Fix timeout loop in get_output_lock()
powerpc/xmon: Don't loop forever in get_output_lock()
powerpc/perf: Configure BHRB filter before enabling PMU interrupts
crypto/nx/nx-842: Fix handling of vmalloc addresses
powerpc/pseries: Select ARCH_RANDOM on pseries
powerpc/perf: Add Power8 cache & TLB events
powerpc/relocate fix relocate processing in LE mode
powerpc: Fix kdump hang issue on p8 with relocation on exception enabled.
powerpc/pseries: Disable relocation on exception while going down during crash.
powerpc/eeh: Drop taken reference to driver on eeh_rmv_device
powerpc: Fix build failure in sysdev/mpic.c for MPIC_WEIRD=y
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into drm-next
These are a number of fixes from the patch set which Jean-Francois has
been working on which I think are important to be merged during -rc, and
have been tested independently here. I've been in discussion with Rob,
who is happy that I send these directly to you.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: fix the ENABLE_SPACE register
drm/i2c: tda998x: set the PLL division factor in range 0..3
drm/i2c: tda998x: force the page register at startup time
drm/i2c: tda998x: free the CEC device on encoder_destroy
drm/i2c: tda998x: check the CEC device creation
drm/i2c: tda998x: fix bad value in the AIF
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ssh://git.freedesktop.org/git/drm-intel into drm-next
3 regression fixes in i915
* tag 'drm-intel-fixes-2014-02-11' of ssh://git.freedesktop.org/git/drm-intel:
drm/i915: Pair va_copy with va_end in i915_error_vprintf
drm/i915: Fix intel_pipe_to_cpu_transcoder for UMS
drm/i915: Disable dp aux irq on g4x
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- Fix compile error drivers/spi/spi-rspi.c with !CONFIG_OF
- Fix warnings for unused/uninitialized variables with !CONFIG_OF
- Fix PCIe bus matching for powerpc
- Add documentation for various vendor strings
* tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
DT: Add vendor prefix for Spansion Inc.
of/device: Nullify match table in of_match_device() for CONFIG_OF=n
dt-bindings: add vendor-prefix for neonode
of: fix PCI bus match for PCIe slots
of: restructure for_each macros to fix compile warnings
of: add vendor prefix for Honeywell
of: Update qcom vendor prefix description
of: add vendor prefix for Allwinner Technology
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Pull microblaze fixes from Michal Simek:
- Fix two compilation issues - HZ, readq/writeq
- Fix stack protection support
* tag 'microblaze-3.14-rc3' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Fix a typo when disabling stack protection
microblaze: Define readq and writeq IO helper function
microblaze: Fix missing HZ macro
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bugfixes from Martin Schwidefsky:
"A collection a bug fixes. Most of them are minor but two of them are
more severe. The linkage stack bug can be used by user space to force
an oops, with panic_on_oops this is a denial-of-service. And the dump
memory detection issue can cause incomplete memory dumps"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: improve cio_commit_config
s390: fix kernel crash due to linkage stack instructions
s390/dump: Fix dump memory detection
s390/appldata: restore missing init_virt_timer()
s390/qdio: correct program-controlled interruption checking
s390/qdio: for_each macro correctness
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Pull networking updates from David Miller:
1) Fix flexcan build on big endian, from Arnd Bergmann
2) Correctly attach cpsw to GPIO bitbang MDIO drive, from Stefan Roese
3) udp_add_offload has to use GFP_ATOMIC since it can be invoked from
non-sleepable contexts. From Or Gerlitz
4) vxlan_gro_receive() does not iterate over all possible flows
properly, fix also from Or Gerlitz
5) CAN core doesn't use a proper SKB destructor when it hooks up
sockets to SKBs. Fix from Oliver Hartkopp
6) ip_tunnel_xmit() can use an uninitialized route pointer, fix from
Eric Dumazet
7) Fix address family assignment in IPVS, from Michal Kubecek
8) Fix ath9k build on ARM, from Sujith Manoharan
9) Make sure fail_over_mac only applies for the correct bonding modes,
from Ding Tianhong
10) The udp offload code doesn't use RCU correctly, from Shlomo Pongratz
11) Handle gigabit features properly in generic PHY code, from Florian
Fainelli
12) Don't blindly invoke link operations in
rtnl_link_get_slave_info_data_size, they are optional. Fix from
Fernando Luis Vazquez Cao
13) Add USB IDs for Netgear Aircard 340U, from Bjørn Mork
14) Handle netlink packet padding properly in openvswitch, from Thomas
Graf
15) Fix oops when deleting chains in nf_tables, from Patrick McHardy
16) Fix RX stalls in xen-netback driver, from Zoltan Kiss
17) Fix deadlock in mac80211 stack, from Emmanuel Grumbach
18) inet_nlmsg_size() forgets to consider ifa_cacheinfo, fix from Geert
Uytterhoeven
19) tg3_change_mtu() can deadlock, fix from Nithin Sujir
20) Fix regression in setting SCTP local source addresses on accepted
sockets, caused by some generic ipv6 socket changes. Fix from
Matija Glavinic Pecotic
21) IPPROTO_* must be pure defines, otherwise module aliases don't get
constructed properly. Fix from Jan Moskyto
22) IPV6 netconsole setup doesn't work properly unless an explicit
source address is specified, fix from Sabrina Dubroca
23) Use __GFP_NORETRY for high order skb page allocations in
sock_alloc_send_pskb and skb_page_frag_refill. From Eric Dumazet
24) Fix a regression added in netconsole over bridging, from Cong Wang
25) TCP uses an artificial offset of 1ms for SRTT, but this doesn't jive
well with TCP pacing which needs the SRTT to be accurate. Fix from
Eric Dumazet
26) Several cases of missing header file includes from Rashika Kheria
27) Add ZTE MF667 device ID to qmi_wwan driver, from Raymond Wanyoike
28) TCP Small Queues doesn't handle nonagle properly in some corner
cases, fix from Eric Dumazet
29) Remove extraneous read_unlock in bond_enslave, whoops. From Ding
Tianhong
30) Fix 9p trans_virtio handling of vmalloc buffers, from Richard Yao
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (136 commits)
6lowpan: fix lockdep splats
alx: add missing stats_lock spinlock init
9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
bonding: remove unwanted bond lock for enslave processing
USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support
tcp: tsq: fix nonagle handling
bridge: Prevent possible race condition in br_fdb_change_mac_address
bridge: Properly check if local fdb entry can be deleted when deleting vlan
bridge: Properly check if local fdb entry can be deleted in br_fdb_delete_by_port
bridge: Properly check if local fdb entry can be deleted in br_fdb_change_mac_address
bridge: Fix the way to check if a local fdb entry can be deleted
bridge: Change local fdb entries whenever mac address of bridge device changes
bridge: Fix the way to find old local fdb entries in br_fdb_change_mac_address
bridge: Fix the way to insert new local fdb entries in br_fdb_changeaddr
bridge: Fix the way to find old local fdb entries in br_fdb_changeaddr
tcp: correct code comment stating 3 min timeout for FIN_WAIT2, we only do 1 min
net: vxge: Remove unused device pointer
net: qmi_wwan: add ZTE MF667
3c59x: Remove unused pointer in vortex_eisa_cleanup()
net: fix 'ip rule' iif/oif device rename
...
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Commit d52eefb47d4e ("ia64/xen: Remove Xen support for ia64") removed
the Kconfig symbol XEN_XENCOMM. But it didn't remove the code depending
on that symbol. Remove that code now.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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xen/gntdev.h and xen/gntalloc.h both provide userspace ABIs so they
should be installed.
CC: stable@vger.kernel.org
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Commit fc087e10734a4d3e40693fc099461ec1270b3fff (xen/events: remove
unnecessary init_evtchn_cpu_bindings()) causes a regression.
The kernel-side VCPU binding was not being correctly set for newly
allocated or bound interdomain events. In ARM guests where 2-level
events were used, this would result in no interdomain events being
handled because the kernel-side VCPU masks would all be clear.
x86 guests would work because the irq affinity was set during irq
setup and this would set the correct kernel-side VCPU binding.
Fix this by properly initializing the kernel-side VCPU binding in
bind_evtchn_to_irq().
Reported-and-tested-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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'spi/fix/rspi' into spi-linus
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Each invocation of va_copy() must be matched by a corresponding
invocation of va_end() in the same function.
This regression has been introduced in
commit e29bb4ebbf000ff9ac081d29784a3331618f012e
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Sep 20 10:20:59 2013 +0100
drm/i915: Use a temporary va_list for two-pass string handling
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We don't have all the drm_crtc&co hanging around in that case.
This regression has been introduced in
commit 391f75e2bf13f105d9e4a120736ccdd8e3bc638b
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Sep 25 19:55:26 2013 +0300
drm/i915: Fix pre-CTG vblank counter
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69521
Cc: stable@vger.kernel.org (for 3.13 only)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch adds the support for to create a direct iommu "bypass"
window on IODA2 bridges (such as Power8) allowing to bypass iommu
page translation completely for 64-bit DMA capable devices, thus
significantly improving DMA performances.
Additionally, this adds a hook to the struct iommu_table so that
the IOMMU API / VFIO can disable the bypass when external ownership
is requested, since in that case, the device will be used by an
environment such as userspace or a KVM guest which must not be
allowed to bypass translations.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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ssh://git.freedesktop.org/git/drm-intel into drm-next
Just minor stuff really, on vlv dp fix and two patches to tune down some
opregion sanity check. Plus MAINTAINERS update for the new git repo, which
is the only reason I've really bothered with this pull request.
* tag 'drm-intel-fixes-2014-02-06' of ssh://git.freedesktop.org/git/drm-intel:
drm/i915: demote opregion excessive timeout WARN_ONCE to DRM_INFO_ONCE
drm: add DRM_INFO_ONCE() to print a one-time DRM_INFO() message
MAINTAINERS: Update drm/i915 git repo
drm/i915: vlv: fix DP PHY lockup due to invalid PP sequencer setup
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
This pull request fixes memory leak issue in exynos_drm_open() and
multiplatform breakage for ipp/gsc. And also including some cleanups.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: Convert to use the standard hdmi.h header
drm/exynos: Fix trivial typo
drm/exynos: Remove unnecessary semicolon
drm/exynos: Fix multiplatform breakage for ipp/gsc
drm/exynos: Fix freeing issues in exynos_drm_drv.c
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drm-next
Compared to original fixes pull req that I sent yesterday, this adds
one more fix that I found for a synchronization issue which starts to
crop up when we use XA in DDX for 2d accel on 3d core. In particular,
accelerating presentation blit triggers this problem.
* 'msm-next' of git://people.freedesktop.org/~robclark/linux:
drm/msm: bigger synchronization hammer
drm/msm: fix deadlock in bo create fail path
drm/msm/mdp4: cursor fixes
drm/msm/mdp4: pageflip fixes
drm/msm/mdp5: fix ref leaks in error paths
drm/msm: fix inconsequential typo
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When a device ndo_start_xmit() calls again dev_queue_xmit(),
lockdep can complain because dev_queue_xmit() is re-entered and the
spinlocks protecting tx queues share a common lockdep class.
Same issue was fixed for bonding/l2tp/ppp in commits
0daa2303028a6 ("[PATCH] bonding: lockdep annotation")
49ee49202b4ac ("bonding: set qdisc_tx_busylock to avoid LOCKDEP splat")
23d3b8bfb8eb2 ("net: qdisc busylock needs lockdep annotations ")
303c07db487be ("ppp: set qdisc_tx_busylock to avoid LOCKDEP splat ")
Reported-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial fix for init time stack trace occuring in
alx_get_stats64 upon start up. Should have been part of
commit adding the spinlock:
f1b6b106 alx: add alx_get_stats64 operation
Signed-off-by: John Greene <jogreene@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 9p-virtio transport does zero copy on things larger than 1024 bytes
in size. It accomplishes this by returning the physical addresses of
pages to the virtio-pci device. At present, the translation is usually a
bit shift.
That approach produces an invalid page address when we read/write to
vmalloc buffers, such as those used for Linux kernel modules. Any
attempt to load a Linux kernel module from 9p-virtio produces the
following stack.
[<ffffffff814878ce>] p9_virtio_zc_request+0x45e/0x510
[<ffffffff814814ed>] p9_client_zc_rpc.constprop.16+0xfd/0x4f0
[<ffffffff814839dd>] p9_client_read+0x15d/0x240
[<ffffffff811c8440>] v9fs_fid_readn+0x50/0xa0
[<ffffffff811c84a0>] v9fs_file_readn+0x10/0x20
[<ffffffff811c84e7>] v9fs_file_read+0x37/0x70
[<ffffffff8114e3fb>] vfs_read+0x9b/0x160
[<ffffffff81153571>] kernel_read+0x41/0x60
[<ffffffff810c83ab>] copy_module_from_fd.isra.34+0xfb/0x180
Subsequently, QEMU will die printing:
qemu-system-x86_64: virtio: trying to map MMIO memory
This patch enables 9p-virtio to correctly handle this case. This not
only enables us to load Linux kernel modules off virtfs, but also
enables ZFS file-based vdevs on virtfs to be used without killing QEMU.
Special thanks to both Avi Kivity and Alexander Graf for their
interpretation of QEMU backtraces. Without their guidence, tracking down
this bug would have taken much longer. Also, special thanks to Linus
Torvalds for his insightful explanation of why this should use
is_vmalloc_addr() instead of is_vmalloc_or_module_addr():
https://lkml.org/lkml/2014/2/8/272
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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