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8238cb69c01fe4dbb4e3be277fff3ed680ac0108
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Keith Busch 8238cb69c0 PCI: Make reset_subordinate hotplug safe 
Use the slot reset method when resetting the bridge if the bus contains
hot plug slots. This fixes spurious hot plug events that are triggered
by the secondary bus reset that bypasses the slot's detection disabling.

Resetting a bridge's subordinate bus can be done like this:

  # echo 1 > /sys/bus/pci/devices/0000:50:01.0/reset_subordinate

Prior to this patch, an example kernel message may show something like:

  pcieport 0000:50:01.0: pciehp: Slot(40): Link Down

With this change, the pciehp driver ignores the link event during the
reset, so may show this message instead:

  pcieport 0000:50:01.0: pciehp: Slot(40): Link Down/Up ignored

Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://patch.msgid.link/20260217160836.2709885-4-kbusch@meta.com
2026-03-09 15:40:28 -05:00
..
accel
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accessibility
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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acpi
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2026-02-22 08:26:33 -08:00
amba
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2026-02-21 17:09:51 -08:00
android
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2026-02-22 08:26:33 -08:00
ata
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2026-02-21 20:03:00 -08:00
atm
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2026-02-22 08:26:33 -08:00
auxdisplay
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base
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bcma
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block
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bluetooth
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bus
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cache
…
cdrom
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cdx
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char
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2026-02-21 20:03:00 -08:00
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
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cpuidle
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crypto
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cxl
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dax
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dca
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
devfreq
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
dibs
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dio
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dma
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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
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firmware
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fpga
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fsi
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fwctl
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gnss
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2026-02-21 17:09:51 -08:00
gpib
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2026-02-21 20:03:00 -08:00
gpio
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2026-02-21 20:03:00 -08:00
gpu
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greybus
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hid
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hsi
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hte
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hv
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hwmon
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2026-02-22 08:26:33 -08:00
hwspinlock
Merge tag 'soc-drivers-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-02-10 20:45:30 -08:00
hwtracing
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2026-02-21 20:03:00 -08:00
i2c
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2026-02-21 20:03:00 -08:00
i3c
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2026-02-21 20:03:00 -08:00
idle
intel_idle: Add C-states validation
2026-01-07 21:17:43 +01:00
iio
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2026-02-22 08:26:33 -08:00
infiniband
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input
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interconnect
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iommu
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ipack
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irqchip
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isdn
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leds
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2026-02-21 17:09:51 -08:00
macintosh
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2026-02-21 20:03:00 -08:00
mailbox
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
mcb
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
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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2026-02-21 20:03:00 -08:00
misc
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2026-02-21 20:03:00 -08:00
mmc
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most
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mtd
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mux
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net
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nfc
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ntb
Merge tag 'kmalloc_obj-treewide-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2026-02-21 11:02:58 -08:00
nubus
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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nvdimm
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nvme
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nvmem
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of
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opp
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2026-02-21 20:03:00 -08:00
parisc
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2026-02-22 08:26:33 -08:00
parport
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
pci
PCI: Make reset_subordinate hotplug safe
2026-03-09 15:40:28 -05:00
pcmcia
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
peci
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perf
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2026-02-21 20:03:00 -08:00
phy
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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pinctrl
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platform
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pmdomain
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pnp
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power
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
powercap
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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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
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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regulator
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2026-02-21 20:03:00 -08:00
remoteproc
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resctrl
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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reset
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
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rpmsg
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2026-02-21 17:09:51 -08:00
rtc
Merge tag 'rtc-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2026-02-22 09:43:11 -08:00
s390
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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sbus
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scsi
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sh
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siox
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slimbus
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soc
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2026-02-21 20:03:00 -08:00
soundwire
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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spi
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spmi
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ssb
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staging
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target
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tc
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tee
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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thermal
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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thunderbolt
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tty
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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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
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2026-02-21 20:03:00 -08:00
vhost
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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video
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virt
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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virtio
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w1
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watchdog
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xen
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zorro
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
Kconfig
…
Makefile
phy: enter drivers/phy/Makefile even without CONFIG_GENERIC_PHY
2026-02-04 20:45:26 +05:30