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Eugenia Emantayev ec25bc04ed net/mlx4_en: Add resilience in low memory systems 
This patch fixes the lost of Ethernet port on low memory system,
when driver frees its resources and fails to allocate new resources.
Issue could happen while changing number of channels, rings size or
changing the timestamp configuration.
This fix is necessary because of removing vmap use in the code.
When vmap was in use driver could allocate non-contiguous memory
and make it contiguous with vmap. Now it could fail to allocate
a large chunk of contiguous memory and lose the port.
Current code tries to allocate new resources and then upon success
frees the old resources.

Fixes: 73898db04301 ('net/mlx4: Avoid wrong virtual mappings')
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-19 16:44:11 -07:00
..
accessibility
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acpi
ACPI fix for v4.7-rc6
2016-07-01 15:31:48 -07:00
amba
ARM: 8566/1: drivers: amba: properly handle devices with power domains
2016-05-05 19:00:40 +01:00
android
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ata
Merge branch 'for-4.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2016-06-28 12:11:31 -07:00
atm
atm: iphase: off by one in rx_pkt()
2016-05-31 11:52:59 -07:00
auxdisplay
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base
Driver core fixes for 4.7-rc4
2016-06-18 06:04:01 -10:00
bcma
MTD updates for v4.7:
2016-05-24 11:00:20 -07:00
block
tree wide: get rid of __GFP_REPEAT for order-0 allocations part I
2016-06-24 17:23:52 -07:00
bluetooth
Bluetooth: Add USB ID 13D3:3487 to ath3k
2016-05-13 16:54:59 +02:00
bus
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-05-19 10:02:26 -07:00
cdrom
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char
ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()
2016-06-13 08:56:28 -05:00
clk
A bunch of fixes. Some for the newly added rk3399 clock tree, some
2016-06-20 17:01:45 -07:00
clocksource
Small release overall.
2016-05-19 11:27:09 -07:00
connector
connector: fix out-of-order cn_proc netlink message delivery
2016-06-28 08:48:33 -04:00
cpufreq
cpufreq: Avoid false-positive WARN_ON()s in cpufreq_update_policy()
2016-06-28 03:29:29 +02:00
cpuidle
cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
2016-05-18 02:48:37 +02:00
crypto
crypto: ux500 - memmove the right size
2016-06-13 17:43:05 +08:00
dax
/dev/dax, core: file operations and dax-mmap
2016-05-20 22:02:55 -07:00
dca
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devfreq
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
2016-06-23 23:15:12 +02:00
dio
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dma
dmaengine: mv_xor: Fix incorrect offset in dma_map_page()
2016-06-07 12:44:23 +05:30
dma-buf
dma-buf: use vma_pages()
2016-05-31 22:17:05 +05:30
edac
EDAC, sb_edac: Readd accidentally dropped Broadwell-D support
2016-06-03 17:28:21 +02:00
eisa
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extcon
extcon: palmas: Fix boot up state of VBUS when using GPIO detection
2016-06-15 17:17:22 +09:00
firewire
treewide: replace dev->trans_start update with helper
2016-05-04 14:16:49 -04:00
firmware
efi/arm: Fix the format of EFI debug messages
2016-06-03 09:57:36 +02:00
fmc
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fpga
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gpio
Pin control fixes for the v4.7 cycle:
2016-06-29 10:05:44 -07:00
gpu
Merge tag 'drm-intel-fixes-2016-06-30' of git://anongit.freedesktop.org/drm-intel into drm-fixes
2016-07-02 15:50:41 +10:00
hid
HID: multitouch: enable palm rejection for Windows Precision Touchpad
2016-06-28 13:24:14 +02:00
hsi
HSI: omap-ssi: move omap_ssi_port_update_fclk
2016-05-09 22:45:18 +02:00
hv
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hwmon
hwmon: (dell-smm) Cache fan_type() calls and change fan detection
2016-06-23 06:24:23 -07:00
hwspinlock
drivers/hwspinlock: use correct radix tree API
2016-05-20 17:58:30 -07:00
hwtracing
coresight: Handle build path error
2016-06-16 00:13:06 -07:00
i2c
i2c: mux: reg: Provide of_match_table
2016-06-09 22:38:16 +02:00
ide
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idle
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iio
iio:ad7266: Fix probe deferral for vref
2016-06-26 17:39:26 +01:00
infiniband
Merge branches '4.7-rc-misc', 'hfi1-fixes', 'i40iw-rc-fixes' and 'mellanox-rc-fixes' into k.o/for-4.7-rc
2016-06-23 12:22:33 -04:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2016-06-27 20:34:43 -07:00
iommu
iommu/amd: Initialize devid variable before using it
2016-06-27 13:24:46 +02:00
ipack
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irqchip
irqchip/mips-gic: Fix IRQs in gic_dev_domain
2016-06-14 11:41:57 +02:00
isdn
TTY and Serial driver update for 4.7-rc1
2016-05-20 20:57:27 -07:00
leds
leds: handle suspend/resume in heartbeat trigger
2016-06-08 11:47:06 +02:00
lguest
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lightnvm
lightnvm: reserved space calculation incorrect
2016-05-06 12:51:10 -06:00
macintosh
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mailbox
mailbox: Fix devm_ioremap_resource error detection code
2016-05-08 22:44:46 +05:30
mcb
mcb: Acquire reference to carrier module in core
2016-06-13 18:49:30 -07:00
md
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
2016-05-27 14:28:09 -07:00
media
Update my main e-mails at the Kernel tree
2016-06-15 15:35:37 -10:00
memory
memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
2016-06-16 11:43:48 +03:00
memstick
drivers/memstick/core/mspro_block: use kmemdup
2016-05-23 17:04:14 -07:00
message
SCSI misc on 20160517
2016-05-18 16:38:59 -07:00
mfd
mfd: max77620: Fix FPS switch statements
2016-06-30 07:44:23 +01:00
misc
mei: don't use wake_up_interruptible for wr_ctrl
2016-06-10 22:14:24 -07:00
mmc
mmc: sunxi: Re-enable eMMC HS-DDR modes on Allwinner A80
2016-06-02 10:40:20 +02:00
mtd
ubi: Make recover_peb power cut aware
2016-06-23 00:29:32 +02:00
net
net/mlx4_en: Add resilience in low memory systems
2016-07-19 16:44:11 -07:00
nfc
NFC: pn533: handle interrupted commands in pn533_recv_frame
2016-05-10 00:01:47 +02:00
ntb
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nubus
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nvdimm
libnvdimm, pfn, dax: fix initialization vs autodetect for mode + alignment
2016-06-23 17:50:39 -07:00
nvme
NVMe: Only release requested regions
2016-06-09 14:28:28 -06:00
nvmem
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
of
drivers/of: Fix depth for sub-tree blob in unflatten_dt_nodes()
2016-06-09 14:36:34 -05:00
oprofile
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parisc
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parport
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pci
PCI: Fix unaligned accesses in VC code
2016-06-20 13:24:20 -05:00
pcmcia
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perf
arm: pmu: Fix non-devicetree probing
2016-06-15 09:51:35 +01:00
phy
- Final patches fixing Reset API change
2016-07-01 15:17:16 -07:00
pinctrl
pinctrl: baytrail: Fix mingled clock pins
2016-06-23 11:05:04 +02:00
platform
platform/chrome: cros_ec_dev - double fetch bug in ioctl
2016-07-05 14:01:52 -07:00
pnp
driver core update for 4.7-rc1
2016-05-20 21:26:15 -07:00
power
power_supply: tps65217-charger: Fix NULL deref during property export
2016-06-16 15:54:11 +02:00
powercap
Power management material for v4.7-rc1
2016-05-16 19:17:22 -07:00
pps
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ps3
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ptp
ptp: oops in ptp_ioctl()
2016-05-29 22:32:27 -07:00
pwm
pwm: atmel-hlcdc: Fix default PWM polarity
2016-06-14 10:51:45 +02:00
rapidio
rapidio/mport_cdev: fix uapi type definitions
2016-05-05 17:38:53 -07:00
ras
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regulator
Merge remote-tracking branches 'regulator/fix/anatop' and 'regulator/fix/max77620' into regulator-linus
2016-07-01 18:06:48 +02:00
remoteproc
remoteproc: Add additional crash reasons
2016-05-12 15:50:19 -07:00
reset
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rpmsg
rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core
2016-05-06 11:08:58 -07:00
rtc
rtc: tps6586x: rename so module can be autoloaded
2016-05-21 17:07:17 +02:00
s390
qeth: delete napi struct when removing a qeth device
2016-07-04 23:32:08 -07:00
sbus
openprom: fix warning
2016-05-20 18:33:37 -07:00
scsi
Merge remote-tracking branch 'mkp-scsi/4.7/scsi-fixes' into fixes
2016-06-18 11:59:01 -07:00
sfi
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sh
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sn
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soc
soc: mtk-pmic-wrap: avoid integer overflow warning
2016-05-19 15:20:24 +02:00
spi
Merge remote-tracking branches 'spi/fix/ep93xx', 'spi/fix/rockchip', 'spi/fix/sunxi' and 'spi/fix/ti-qspi' into spi-linus
2016-06-30 13:17:29 +01:00
spmi
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ssb
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staging
staging: iio: accel: fix error check
2016-06-26 15:57:02 +01:00
target
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2016-05-28 12:04:17 -07:00
tc
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thermal
Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2016-06-12 06:30:39 -07:00
thunderbolt
thunderbolt: Fix double free of drom buffer
2016-05-02 12:09:22 -05:00
tty
devpts: fix null pointer dereference on failed memory allocation
2016-06-26 11:39:00 -07:00
uio
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usb
- Final patches fixing Reset API change
2016-07-01 15:17:16 -07:00
uwb
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vfio
vfio/pci: Allow VPD short read
2016-05-31 21:25:52 -06:00
vhost
target: make close_session optional
2016-05-10 01:19:26 -07:00
video
OMAPDSS: HDMI5: Change DDC timings
2016-05-31 08:20:43 +03:00
virt
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virtio
virtio_balloon: fix PFN format for virtio-1
2016-05-22 19:44:13 +03:00
vlynq
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vme
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w1
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watchdog
watchdog: ebc-c384_wdt: Allow build for X86_64
2016-06-17 20:21:12 -07:00
xen
xen-pciback: return proper values during BAR sizing
2016-06-24 10:53:03 +01:00
zorro
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Kconfig
libnvdimm for 4.7
2016-05-23 11:18:01 -07:00
Makefile
/dev/dax, pmem: direct access to persistent memory
2016-05-20 22:02:53 -07:00