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Selvin Xavier 441baa7904 RDMA/bnxt_re: Avoid repeated requests to allocate WC pages 
Applications can request multiple WC pages for the same ucontext.
As of now, only 1 WC page per ucontext is supported. Add a lock to
avoid concurrent access and a check to fail repeated requests.
Also, if the mmap entry insert fails for the WC, free the Doorbell
page index mapped for the WC page.

Fixes: eee6268421 ("RDMA/bnxt_re: Move the UAPI methods to a dedicated file")
Fixes: 360da60d6c ("RDMA/bnxt_re: Enable low latency push")
Link: https://patch.msgid.link/r/20260615224751.232802-12-selvin.xavier@broadcom.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2026-06-16 14:30:40 -03:00
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accel
accel/amdxdna: Remove mmap and export support for ubuf
2026-05-19 08:47:59 -07:00
accessibility
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acpi
ACPI: battery: Fix system wakeup on critical battery status
2026-05-19 23:06:09 +02:00
amba
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android
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ata
ata: libata-scsi: do not needlessly defer commands when using PMP with FBS
2026-05-18 12:26:51 +02:00
atm
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auxdisplay
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base
Merge tag 'driver-core-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
2026-05-23 07:49:05 -07:00
bcma
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block
rbd: eliminate a race in lock_dwork draining on unmap
2026-05-20 22:09:08 +02:00
bluetooth
Bluetooth: hci_uart: fix UAFs and race conditions in close and init paths
2026-05-20 16:35:47 -04:00
bus
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cache
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cdrom
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cdx
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char
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clk
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clocksource
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comedi
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connector
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counter
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cpufreq
Merge tag 'amd-pstate-v7.1-2026-05-14' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux into pm-cpufreq-fixes
2026-05-20 22:03:41 +02:00
cpuidle
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crypto
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cxl
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dax
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dca
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devfreq
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dibs
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dio
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dma
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dma-buf
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dpll
dpll: zl3073x: fix memory leak on pin registration failure
2026-05-20 19:02:01 -07:00
edac
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eisa
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extcon
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firewire
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firmware
Merge tag 'loongarch-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
2026-05-23 09:13:00 -07:00
fpga
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fsi
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fwctl
fwctl: pds: Validate RPC input size before parsing
2026-05-19 10:44:32 -03:00
gnss
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gpib
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gpio
gpio: virtuser: lock device when calling device_is_bound()
2026-05-21 14:36:07 +02:00
gpu
drm/msm: Restore second parameter name in purge() and evict()
2026-05-24 10:31:24 -07:00
greybus
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hid
HID: core: Fix size_t specifier in hid_report_raw_event()
2026-05-18 13:05:41 -07:00
hsi
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hte
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hv
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hwmon
hwmon: (pmbus/adm1266) serialize sequencer_state debugfs read with pmbus_lock
2026-05-21 07:00:39 -07:00
hwspinlock
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hwtracing
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i2c
i2c: smbus: fix a potential uninitialization bug
2026-05-19 12:43:08 +02:00
i3c
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idle
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iio
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infiniband
RDMA/bnxt_re: Avoid repeated requests to allocate WC pages
2026-06-16 14:30:40 -03:00
input
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interconnect
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iommu
iommupt: Fix the end_index calculation in __map_range_leaf()
2026-05-15 07:29:16 +02:00
ipack
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irqchip
irqchip/renesas-rzt2h: Use pm_runtime_put_sync() in probe error path
2026-05-21 20:11:29 +02:00
leds
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macintosh
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mailbox
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mcb
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md
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media
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memory
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memstick
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message
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mfd
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misc
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mmc
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most
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mtd
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mux
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net
Merge tag 'wireless-2026-05-21' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
2026-05-21 11:03:58 -07:00
nfc
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ntb
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nubus
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nvdimm
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nvme
nvme-pci: fix dma mapping leak on data setup error
2026-05-21 07:49:05 -07:00
nvmem
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of
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opp
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parisc
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parport
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pci
Merge tag 'pci-v7.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2026-05-21 15:02:12 -07:00
pcmcia
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peci
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perf
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phy
phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config
2026-05-19 15:42:11 +05:30
pinctrl
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platform
Merge tag 'platform-drivers-x86-v7.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2026-05-22 15:45:26 -07:00
pmdomain
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pnp
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power
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powercap
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pps
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ps3
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ptp
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pwm
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rapidio
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ras
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regulator
regulator: tps65219: fix irq_data.rdev not being assigned
2026-05-18 10:52:24 +01:00
remoteproc
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resctrl
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reset
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rpmsg
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rtc
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s390
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sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2026-05-22 16:08:06 -07:00
sh
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siox
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slimbus
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soc
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soundwire
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spi
Merge tag 'spi-fix-v7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2026-05-22 13:19:41 -07:00
spmi
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ssb
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staging
Merge tag 'hid-for-linus-2026051401' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2026-05-14 14:30:01 -07:00
target
scsi: target: tcm_loop: Fix NULL ptr dereference
2026-05-14 22:21:01 -04:00
tc
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tee
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thermal
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thunderbolt
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tty
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ufs
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uio
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usb
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vdpa
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vfio
vfio/pci: Check BAR resources before exporting a DMABUF
2026-05-14 11:39:03 -06:00
vhost
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video
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virt
virt: sev-guest: Explicitly leak pages in unknown state
2026-05-20 18:03:17 -07:00
virtio
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w1
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watchdog
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xen
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zorro
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Kconfig
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Makefile
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