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a11dda723c6493bb1853bbc61c093377f96e2d47
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Jason Gunthorpe a11dda723c iommufd: Require drivers to supply the cache_invalidate_user ops 
If drivers don't do this then iommufd will oops invalidation ioctls with
something like:

  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
  Mem abort info:
    ESR = 0x0000000086000004
    EC = 0x21: IABT (current EL), IL = 32 bits
    SET = 0, FnV = 0
    EA = 0, S1PTW = 0
    FSC = 0x04: level 0 translation fault
  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000
  [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
  Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP
  Modules linked in:
  CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9
  Hardware name: linux,dummy-virt (DT)
  pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)
  pc : 0x0
  lr : iommufd_hwpt_invalidate+0xa4/0x204
  sp : ffff800080f3bcc0
  x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000
  x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
  x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0
  x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000
  x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8
  x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
  x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000
  x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002
  x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80
  Call trace:
   0x0
   iommufd_fops_ioctl+0x154/0x274
   __arm64_sys_ioctl+0xac/0xf0
   invoke_syscall+0x48/0x110
   el0_svc_common.constprop.0+0x40/0xe0
   do_el0_svc+0x1c/0x28
   el0_svc+0x34/0xb4
   el0t_64_sync_handler+0x120/0x12c
   el0t_64_sync+0x190/0x194

All existing drivers implement this op for nesting, this is mostly a
bisection aid.

Fixes: 8c6eabae38 ("iommufd: Add IOMMU_HWPT_INVALIDATE")
Link: https://lore.kernel.org/r/0-v1-e153859bd707+61-iommufd_check_ops_jgg@nvidia.com
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-07-10 10:50:30 -03:00
..
accel
Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-05-19 09:21:03 -07:00
accessibility
Merge tag 'char-misc-6.10-rc1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-05-24 08:43:25 -07:00
acpi
Merge branch 'acpi-scan'
2024-06-21 12:55:12 +02:00
amba
…
android
binder: fix max_thread type inconsistency
2024-05-04 18:59:47 +02:00
ata
ata: ahci: Do not enable LPM if no LPM states are supported by the HBA
2024-06-19 13:19:38 +02:00
atm
atm/fore200e: Delete unused 'fore200e_boards'
2024-05-06 18:26:47 -07:00
auxdisplay
Merge tag 'backlight-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
2024-05-22 10:45:12 -07:00
base
drivers: core: synchronize really_probe() and dev_uevent()
2024-06-04 18:14:51 +02:00
bcma
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block
loop: Disable fallocate() zero and discard if not supported
2024-06-14 06:21:25 -06:00
bluetooth
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
bus
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
cache
…
cdrom
cdrom: rearrange last_media_change check to avoid unintentional overflow
2024-05-15 12:59:55 -06:00
cdx
…
char
tpm: Switch to new Intel CPU model defines
2024-06-05 04:55:04 +03:00
clk
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
2024-06-12 16:58:05 -07:00
clocksource
Merge tag 'riscv-for-linus-6.10-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2024-05-22 09:56:00 -07:00
comedi
…
connector
…
counter
…
cpufreq
cpufreq: intel_pstate: Check turbo_is_disabled() in store_no_turbo()
2024-06-12 14:11:50 +02:00
cpuidle
Merge tag 'pmdomain-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2024-05-16 08:50:32 -07:00
crypto
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
cxl
cxl/region: Fix memregion leaks in devm_cxl_add_region()
2024-05-28 16:09:17 -07:00
dax
Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-05-19 09:21:03 -07:00
dca
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devfreq
PM / devfreq: exynos: Use DEFINE_SIMPLE_DEV_PM_OPS for PM functions
2024-05-09 00:30:37 +09:00
dio
…
dma
Merge branch 'iommufd_pri' into iommufd for-next
2024-07-09 13:55:05 -03:00
dma-buf
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
2024-05-28 22:21:34 +02:00
dpll
dpll: fix return value check for kmemdup
2024-05-13 16:53:53 -07:00
edac
EDAC/igen6: Convert PCIBIOS_* return codes to errnos
2024-06-04 11:29:52 +02:00
eisa
alpha: remove DECpc AXP150 (Jensen) support
2024-05-03 22:09:50 +02:00
extcon
extcon: adc-jack: Document missing struct members
2024-05-09 01:03:39 +09:00
firewire
firewire: core: record card index in bus_reset_handle tracepoints event
2024-06-15 14:59:26 +09:00
firmware
Merge tag 'arm-fixes-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2024-06-22 07:58:21 -07:00
fpga
Merge tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-05-22 12:26:46 -07:00
fsi
…
gnss
…
gpio
gpio: add missing MODULE_DESCRIPTION() macros
2024-06-07 10:05:21 +02:00
gpu
Merge tag 'x86_urgent_for_v6.10_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-06-23 07:16:13 -07:00
greybus
greybus: Fix use-after-free bug in gb_interface_release due to race condition.
2024-05-04 18:59:41 +02:00
hid
Merge tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2024-06-08 10:48:11 -07:00
hsi
…
hte
…
hv
Drivers: hv: Cosmetic changes for hv.c and balloon.c
2024-06-06 06:03:29 +00:00
hwmon
hwmon: (shtc1) Fix property misspelling
2024-05-30 09:05:19 -07:00
hwspinlock
…
hwtracing
Merge tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-05-22 12:26:46 -07:00
i2c
i2c: ocores: set IACK bit after core is enabled
2024-06-21 01:17:43 +02:00
i3c
i3c: dw: Add hot-join support.
2024-05-23 00:29:19 +02:00
idle
…
iio
iio: inkern: fix channel read regression
2024-06-03 20:29:31 +01:00
infiniband
RDMA/mana_ib: Ignore optional access flags for MRs
2024-06-21 10:19:36 -03:00
input
Input: silead - Always support 10 fingers
2024-06-03 11:10:08 +02:00
interconnect
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
iommu
iommufd: Require drivers to supply the cache_invalidate_user ops
2024-07-10 10:50:30 -03:00
ipack
…
irqchip
irqchip/gic-v3-its: Fix potential race condition in its_vlpi_prop_update()
2024-06-03 18:20:00 +02:00
isdn
…
leds
leds: class: Revert: "If no default trigger is given, make hw_control trigger the default trigger"
2024-06-16 09:33:28 -07:00
macintosh
Merge tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2024-05-17 09:05:46 -07:00
mailbox
mailbox: zynqmp-ipi: drop irq_to_desc() call
2024-05-31 12:39:15 -05:00
mcb
mcb: lpc: Convert to platform remove callback returning void
2024-04-29 10:53:31 +02:00
md
bcache: code cleanup in __bch_bucket_alloc_set()
2024-05-28 06:55:59 -06:00
media
mailmap: Add my outdated addresses to the map file
2024-06-12 09:28:04 -07:00
memory
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
2024-05-17 08:53:47 -07:00
memstick
…
message
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2024-05-14 18:25:53 -07:00
mfd
mfd: axp20x: AXP717: Fix missing IRQ status registers range
2024-06-14 08:43:39 +01:00
misc
misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe()
2024-06-04 18:08:39 +02:00
mmc
Merge tag 'mmc-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2024-05-16 08:56:49 -07:00
most
…
mtd
Merge tag 'pull-bd_inode-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-05-21 09:51:42 -07:00
mux
mux: remove usage of the deprecated ida_simple_xx() API
2024-04-29 08:20:07 -07:00
net
net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings
2024-06-20 07:15:17 -07:00
nfc
nfc/nci: Add the inconsistency check between the input data length and count
2024-05-29 13:08:31 +01:00
ntb
…
nubus
…
nvdimm
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
nvme
Merge tag 'nvme-6.10-2024-06-13' of git://git.infradead.org/nvme into block-6.10
2024-06-13 14:19:57 -06:00
nvmem
nvmem: meson-mx-efuse: Remove nvmem_device from efuse struct
2024-05-03 07:26:39 +02:00
of
of: property: Fix fw_devlink handling of interrupt-map
2024-05-30 19:43:47 -05:00
opp
Merge tag 'opp-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-opp
2024-05-17 13:01:24 +02:00
parisc
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parport
parport: amiga: Mark driver struct with __refdata to prevent section mismatch
2024-06-04 18:08:31 +02:00
pci
PCI: Revert the cfg_access_lock lockdep mechanism
2024-06-04 12:10:05 -05:00
pcmcia
…
peci
…
perf
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2024-05-23 12:09:22 -07:00
phy
phy: qcom: qmp-combo: Switch from V6 to V6 N4 register offsets
2024-06-03 19:30:47 +05:30
pinctrl
Merge tag 'mfd-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2024-05-22 10:41:14 -07:00
platform
platform/x86/amd/hsmp: Check HSMP support on AMD family of processors
2024-06-03 11:57:28 +02:00
pmdomain
Merge tag 'pmdomain-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2024-05-27 08:18:31 -07:00
pnp
PNP: Hide pnp_bus_type from the non-PNP code
2024-05-28 21:53:51 +02:00
power
Merge tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2024-05-20 08:55:18 -07:00
powercap
powercap: intel_rapl_tpmi: Enable PMU support
2024-04-30 21:10:37 +02:00
pps
pps: remove usage of the deprecated ida_simple_xx() API
2024-04-29 08:20:06 -07:00
ps3
…
ptp
ptp: fix integer overflow in max_vclocks_store
2024-06-18 13:26:44 -07:00
pwm
pwm: stm32: Fix error message to not describe the previous error path
2024-06-22 16:13:19 +02:00
rapidio
rapidio: remove choice for enumeration
2024-05-14 23:36:19 +09:00
ras
RAS/AMD/ATL: Use system settings for MI300 DRAM to normalized address translation
2024-06-16 11:22:57 +02:00
regulator
regulator: axp20x: AXP717: fix LDO supply rails and off-by-ones
2024-06-12 21:30:43 +01:00
remoteproc
remoteproc: k3-r5: Jump to error handling labels in start/stop errors
2024-05-06 13:34:12 -06:00
reset
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2024-05-18 12:48:37 -07:00
rpmsg
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
rtc
pcf8563: add wakeup-source support
2024-05-07 23:40:46 +02:00
s390
Merge tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2024-05-21 12:09:36 -07:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2024-06-21 14:28:28 -07:00
sh
…
siox
…
slimbus
Merge 6.9-rc7 into char-misc-testing
2024-05-08 19:21:51 +01:00
soc
mm/util: Swap kmemdup_array() arguments
2024-06-06 08:55:20 -07:00
soundwire
soundwire: fix usages of device_get_named_child_node()
2024-06-03 17:35:24 +05:30
spi
spi: spi-imx: imx51: revert burst length calculation back to bits_per_word
2024-06-19 14:07:13 +01:00
spmi
spmi: pmic-arb: Add multi bus support
2024-05-08 19:46:11 +01:00
ssb
…
staging
staging: vchiq_debugfs: Fix NPD in vchiq_dump_state
2024-06-04 13:36:44 +02:00
target
Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-05-21 13:11:44 -07:00
tc
…
tee
Merge tag 'tee-ts-for-v6.10' of https://git.linaro.org/people/jens.wiklander/linux-tee into soc/drivers
2024-04-29 22:29:44 +02:00
thermal
Merge tag 'thermal-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2024-06-21 11:16:56 -07:00
thunderbolt
thunderbolt: debugfs: Fix margin debugfs node creation condition
2024-05-31 13:13:39 +03:00
tty
serial: drop debugging WARN_ON_ONCE() from uart_write()
2024-06-04 14:10:43 +02:00
ufs
scsi: ufs: core: Free memory allocated for model before reinit
2024-06-13 21:00:25 -04:00
uio
…
usb
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2024-06-21 14:28:28 -07:00
vdpa
Merge tag 'stable/vduse-virtio-net' into vhost
2024-05-22 08:32:48 -04:00
vfio
vfio/pci: Insert full vma on mmap'd MMIO fault
2024-06-12 15:40:39 -06:00
vhost
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
video
Merge tag 'backlight-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
2024-05-22 10:45:12 -07:00
virt
Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-05-19 09:21:03 -07:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-05-23 12:04:36 -07:00
w1
…
watchdog
watchdog: LENOVO_SE10_WDT should depend on X86 && DMI
2024-05-11 11:32:06 +02:00
xen
Merge tag 'for-linus-6.10a-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2024-05-24 10:24:49 -07:00
zorro
zorro: Use helpers from ioport.h
2024-04-29 16:45:53 +02:00
Kconfig
…
Makefile
kbuild: use $(src) instead of $(srctree)/$(src) for source directory
2024-05-10 04:34:52 +09:00