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Thomas Weißschuh 3023c050af hwmon: (powerz) Avoid cacheline sharing for DMA buffer 
Depending on the architecture the transfer buffer may share a cacheline
with the following mutex. As the buffer may be used for DMA, that is
problematic.

Use the high-level DMA helpers to make sure that cacheline sharing can
not happen.

Also drop the comment, as the helpers are documentation enough.

https://sashiko.dev/#/message/20260408175814.934BFC19421%40smtp.kernel.org

Fixes: 4381a36abd ("hwmon: add POWER-Z driver")
Cc: stable@vger.kernel.org # ca085faabb: dma-mapping: add __dma_from_device_group_begin()/end()
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20260408-powerz-cacheline-alias-v1-1-1254891be0dd@weissschuh.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2026-04-10 08:33:08 -07:00
..
accel
accel/ivpu: Add disable clock relinquish workaround for NVL-A0
2026-03-24 09:29:28 +01:00
accessibility
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acpi
ACPI: EC: clean up handlers on probe failure in acpi_ec_setup()
2026-03-24 18:47:10 +01:00
amba
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android
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ata
ata: libata-scsi: report correct sense field pointer in ata_scsiop_maint_in()
2026-03-20 09:59:30 +01:00
atm
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auxdisplay
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base
Merge tag 'regmap-fix-v7.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
2026-03-27 16:34:25 -07:00
bcma
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block
zram: do not slot_free() written-back slots
2026-03-21 17:36:33 -07:00
bluetooth
Bluetooth: btusb: clamp SCO altsetting table indices
2026-03-25 15:32:55 -04:00
bus
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
cache
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cdrom
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cdx
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char
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clk
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
clocksource
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comedi
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connector
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counter
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cpufreq
cpufreq: conservative: Reset requested_freq on limits change
2026-03-23 13:32:57 +01:00
cpuidle
sched: idle: Make skipping governor callbacks more consistent
2026-03-10 16:03:02 +01:00
crypto
Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
2026-03-18 15:50:29 -07:00
cxl
cxl: Adjust the startup priority of cxl_pmem to be higher than that of cxl_acpi
2026-03-19 15:12:40 -07:00
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
dmaengine: xilinx_dma: Fix reset related timeout with two-channel AXIDMA
2026-03-17 16:33:32 +05:30
dma-buf
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dpll
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edac
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eisa
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extcon
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firewire
bonding: prevent potential infinite loop in bond_header_parse()
2026-03-16 19:29:45 -07:00
firmware
Merge tag 'soc-fixes-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-03-18 08:28:54 -07:00
fpga
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fsi
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fwctl
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gnss
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gpib
gpib: lpvo_usb: fix unintended binding of FTDI 8U232AM devices
2026-03-11 16:23:32 +01:00
gpio
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gpu
Merge tag 'mediatek-drm-fixes-20260323' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes
2026-03-28 08:05:36 +10:00
greybus
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hid
Merge tag 'hid-for-linus-2026031701' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2026-03-17 13:55:51 -07:00
hsi
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hte
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hv
mshv: Fix error handling in mshv_region_pin
2026-03-18 16:18:49 +00:00
hwmon
hwmon: (powerz) Avoid cacheline sharing for DMA buffer
2026-04-10 08:33:08 -07:00
hwspinlock
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hwtracing
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i2c
i2c: designware: amdisp: Fix resume-probe race condition issue
2026-03-27 13:51:21 +01:00
i3c
i3c: dw-i3c-master: Set SIR_REJECT in DAT on device attach and reattach
2026-03-11 22:50:29 +01:00
idle
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iio
hwmon: (ina2xx) drop unused platform data
2026-03-30 19:45:06 -07:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2026-03-27 13:30:04 -07:00
input
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interconnect
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iommu
Merge tag 'dma-mapping-7.0-2026-03-25' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
2026-03-26 08:22:07 -07:00
ipack
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irqchip
Merge tag 'irq-urgent-2026-03-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2026-03-29 09:53:01 -07:00
isdn
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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
media: ccs: Avoid deadlock in ccs_init_state()
2026-03-26 13:14:07 +01:00
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
mmc: sdhci: fix timing selection for 1-bit bus width
2026-03-16 16:08:54 +01:00
most
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mtd
mtd: rawnand: pl353: make sure optimal timings are applied
2026-03-18 18:08:25 +01:00
mux
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net
Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
2026-03-26 15:14:52 +01:00
nfc
NFC: nxp-nci: allow GPIOs to sleep
2026-03-18 17:20:51 -07:00
ntb
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nubus
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nvdimm
nvdimm/bus: Fix potential use after free in asynchronous initialization
2026-03-09 09:38:22 -05:00
nvme
Merge tag 'block-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2026-03-13 10:13:06 -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
PCI/pwrctrl: Fix pci_pwrctrl_is_required() device node leak
2026-03-23 15:57:43 -05:00
pcmcia
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peci
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perf
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phy
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pinctrl
pinctrl: sunxi: fix gpiochip_lock_as_irq() failure when pinmux is unknown
2026-03-23 14:23:09 +01:00
platform
platform/x86: ISST: Correct locked bit width
2026-03-24 12:31:10 +02:00
pmdomain
Merge tag 'pmdomain-v7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2026-03-20 09:46:15 -07:00
pnp
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power
power: sequencing: pcie-m2: Fix device node reference leak in probe
2026-03-04 09:16:41 +01:00
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: pca9450: Correct probed name for PCA9452
2026-03-10 14:52:42 +00:00
remoteproc
remoteproc: imx_rproc: Fix unreachable platform prepare_ops
2026-03-05 10:18:23 -07:00
resctrl
arm_mpam: Force __iomem casts
2026-03-13 14:17:30 +00:00
reset
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rpmsg
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rtc
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s390
Merge tag 's390-7.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2026-03-13 14:18:13 -07:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2026-03-27 19:58:22 -07:00
sh
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siox
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slimbus
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
soc
Merge tag 'v7.0-rockchip-drvfixes1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
2026-03-17 09:35:40 +01:00
soundwire
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spi
spi: spi-fsl-lpspi: fix teardown order issue (UAF)
2026-03-26 12:27:42 +00:00
spmi
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ssb
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staging
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target
scsi: target: file: Use kzalloc_flex for aio_cmd
2026-03-19 22:07:39 -04:00
tc
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tee
tee: shm: Remove refcounting of kernel pages
2026-03-03 09:03:04 +01:00
thermal
thermal: intel: int340x: soc_slider: Set offset only for balanced mode
2026-03-24 19:00:12 +01:00
thunderbolt
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tty
vt: save/restore unicode screen buffer for alternate screen
2026-03-13 09:15:58 +01:00
ufs
scsi: ufs: core: Fix SError in ufshcd_rtc_work() during UFS suspend
2026-03-07 11:08:39 -05:00
uio
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usb
USB: ezcap401 needs USB_QUIRK_NO_BOS to function on 10gbs usb speed
2026-03-13 18:19:07 +01:00
vdpa
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vfio
vfio/pci: Fix double free in dma-buf feature
2026-03-26 06:38:27 -06:00
vhost
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video
fbdev: au1100fb: Fix build on MIPS64
2026-03-05 17:35:12 +01:00
virt
virt: tdx-guest: Fix handling of host controlled 'quote' buffer length
2026-03-20 21:05:50 -07:00
virtio
dma-mapping: Clarify valid conditions for CPU cache line overlap
2026-03-20 11:33:24 +01:00
w1
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watchdog
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xen
xen/privcmd: unregister xenstore notifier on module exit
2026-03-26 08:57:51 +01:00
zorro
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Kconfig
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Makefile
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