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59ddce4418
linux/drivers
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Jason Gunthorpe 59ddce4418 iommu: Reorganize iommu_get_default_domain_type() to respect def_domain_type() 
Except for dart (which forces IOMMU_DOMAIN_DMA) every driver returns 0 or
IDENTITY from ops->def_domain_type().

The drivers that return IDENTITY have some kind of good reason, typically
that quirky hardware really can't support anything other than IDENTITY.

Arrange things so that if the driver says it needs IDENTITY then
iommu_get_default_domain_type() either fails or returns IDENTITY.  It will
not ignore the driver's override to IDENTITY.

Split the function into two steps, reducing the group device list to the
driver's def_domain_type() and the untrusted flag.

Then compute the result based on those two reduced variables. Fully reject
combining untrusted with IDENTITY.

Remove the debugging print on the iommu_group_store_type() failure path,
userspace should not be able to trigger kernel prints.

This makes the next patch cleaner that wants to force IDENTITY always for
ARM_IOMMU because there is no support for DMA.

Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/8-v8-81230027b2fa+9d-iommu_all_defdom_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-09-25 11:40:56 +02:00
..
accel accel/ivpu/40xx: Fix buttress interrupt handling 2023-09-20 13:00:40 +02:00
accessibility
acpi ACPI: processor: Fix uninitialized access of buf in acpi_set_pdc_bits() 2023-09-18 12:16:16 +02:00
amba amba: bus: fix refcount leak 2023-08-22 15:50:57 +02:00
android Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
ata ata: libata-core: fetch sense data for successful commands iff CDL enabled 2023-09-16 21:12:19 +09:00
atm
auxdisplay drm for 6.6-rc1 2023-08-30 13:34:34 -07:00
base driver core: return an error when dev_set_name() hasn't happened 2023-09-12 15:54:44 +02:00
bcma
block block-6.6-2023-09-08 2023-09-08 21:39:54 -07:00
bluetooth TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
bus Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
cache cache: Add L2 cache management for Andes AX45MP RISC-V core 2023-09-01 09:08:59 -07:00
cdrom
cdx
char Hi, 2023-09-13 11:44:20 -07:00
clk This pull request is full of clk driver changes. In fact, there aren't any 2023-08-30 19:53:39 -07:00
clocksource Updates for clocksource/clockevent drivers: 2023-09-04 13:15:57 -07:00
comedi Revert "comedi: add HAS_IOPORT dependencies" 2023-09-12 15:49:20 +02:00
connector
counter - New Drivers 2023-09-04 13:47:59 -07:00
cpufreq cpufreq: Support per-policy performance boost 2023-08-29 20:51:40 +02:00
cpuidle powerpc updates for 6.6 2023-08-31 12:43:10 -07:00
crypto This update includes the following changes: 2023-08-29 11:23:29 -07:00
cxl cxl/acpi: Annotate struct cxl_cxims_data with __counted_by 2023-09-22 14:31:04 -07:00
dax mm: remove enum page_entry_size 2023-08-24 16:20:30 -07:00
dca
devfreq
dio
dma dmaengine updates for v6.6 2023-09-03 10:49:42 -07:00
dma-buf drm for 6.6-rc1 2023-08-30 13:34:34 -07:00
edac Intel EDAC fixes: 2023-08-30 19:23:00 -07:00
eisa
extcon
firewire Revert "firewire: core: obsolete usage of GFP_ATOMIC at building node tree" 2023-09-15 18:37:52 +09:00
firmware EFI fixes for v6.6 take 2: 2023-09-22 09:25:26 -07:00
fpga
fsi fsi: i2cr: Switch to use struct i2c_driver's .probe() 2023-08-22 15:51:33 +02:00
gnss
gpio gpio: sim: fix an invalid __free() usage 2023-09-22 10:51:56 +02:00
gpu amd-drm-fixes-6.6-2023-09-20: 2023-09-22 15:43:44 +10:00
greybus
hid for-linus-2023083101 2023-09-01 12:31:44 -07:00
hsi
hte hte: Explicitly include correct DT includes 2023-08-28 13:31:06 -05:00
hv hyperv-next for v6.6 2023-09-04 11:26:29 -07:00
hwmon hwmon: (nct6775) Fix non-existent ALARM warning 2023-09-18 11:52:18 -07:00
hwspinlock
hwtracing
i2c i2c: xiic: Correct return value check for xiic_reinit() 2023-09-22 12:04:39 +02:00
i3c i3c: master: svc: fix probe failure when no i3c device exist 2023-09-06 01:21:47 +02:00
idle Perf events changes for v6.6: 2023-08-28 16:35:01 -07:00
iio Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
infiniband SCSI misc on 20230902 2023-09-02 12:02:41 -07:00
input Input updates for 6.6 merge window: 2023-09-06 09:24:25 -07:00
interconnect This pull request is full of clk driver changes. In fact, there aren't any 2023-08-30 19:53:39 -07:00
iommu iommu: Reorganize iommu_get_default_domain_type() to respect def_domain_type() 2023-09-25 11:40:56 +02:00
ipack
irqchip Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
isdn Merge commit b320441c04 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next 2023-08-20 14:29:37 +02:00
leds - Core Frameworks 2023-09-04 13:52:58 -07:00
macintosh powerpc updates for 6.6 2023-08-31 12:43:10 -07:00
mailbox mailbox: qcom-ipcc: fix incorrect num_chans counting 2023-09-05 10:11:01 -05:00
mcb
md - Fix DM core retrieve_deps() UAF race due to missing locking of a DM 2023-09-15 14:30:54 -07:00
media media: imx-mipi-csis: Remove an incorrect fwnode_handle_put() call 2023-09-19 09:03:21 +02:00
memory iommu/tegra-gart: Remove tegra-gart 2023-09-25 11:40:54 +02:00
memstick
message
mfd mfd: cs42l43: Use correct macro for new-style PM runtime ops 2023-09-23 11:10:23 -07:00
misc Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
mmc TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
most
mtd - New Drivers 2023-09-04 13:47:59 -07:00
mux mux: Explicitly include correct DT includes 2023-08-28 13:36:24 -05:00
net sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast() 2023-09-21 10:37:16 +02:00
nfc NFC: nxp: add NXP1002 2023-08-30 18:32:24 -07:00
ntb ntb: Check tx descriptors outstanding instead of head/tail for tx queue 2023-08-22 12:38:19 -04:00
nubus
nvdimm nvdimm changes for v6.6 merge window 2023-08-30 20:52:08 -07:00
nvme nvme fixes for Linux 6.6 2023-09-14 16:20:31 -06:00
nvmem nvmem: core: Notify when a new layout is registered 2023-08-23 16:34:02 +02:00
of Devicetree updates for v6.6: 2023-08-30 16:59:03 -07:00
opp
parisc parisc: iosapic.c: Fix sparse warnings 2023-08-31 21:42:42 +02:00
parport TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
pci PCI/AER: Export pcie_aer_is_native() 2023-09-11 15:24:16 -07:00
pcmcia
peci
perf arm64 fixes for -rc1 2023-09-08 12:48:37 -07:00
phy phy-for-6.6 2023-09-03 10:38:02 -07:00
pinctrl Pin control bulk changes for the v6.6 kernel cycle: 2023-08-30 19:36:19 -07:00
platform platform/x86: thinkpad_acpi: Take mutex in hotkey_resume 2023-09-18 15:16:19 +02:00
pmdomain pmdomain: Rename the genpd subsystem to pmdomain 2023-09-13 11:09:21 +02:00
pnp
power thermal: Use thermal_tripless_zone_device_register() 2023-09-05 21:42:18 +02:00
powercap powercap: intel_rapl: Fix invalid setting of Power Limit 4 2023-09-06 22:21:22 +02:00
pps
ps3
ptp
pwm pwm: Changes for v6.6-rc1 2023-09-07 18:05:58 -07:00
rapidio
ras
regulator regulator: Fix voltage range selection 2023-09-11 13:51:36 +01:00
remoteproc remoteproc updates for v6.6 2023-09-04 15:12:26 -07:00
reset This pull request is full of clk driver changes. In fact, there aren't any 2023-08-30 19:53:39 -07:00
rpmsg rpmsg updates for v6.6 2023-09-04 15:08:52 -07:00
rtc RTC for 6.6 2023-09-07 16:07:35 -07:00
s390 block-6.6-2023-09-08 2023-09-08 21:39:54 -07:00
sbus sbus: Explicitly include correct DT includes 2023-08-28 13:36:24 -05:00
scsi Networking fixes for 6.6-rc2, including fixes from netfilter and bpf 2023-09-21 11:28:16 -07:00
sh
siox
slimbus
soc soc: renesas: Kconfig: For ARCH_R9A07G043 select the required configs if dependencies are met 2023-09-08 11:25:29 -07:00
soundwire soundwire updates for 6.6 2023-09-03 10:20:57 -07:00
spi spi: Merge up old fix 2023-09-19 13:17:52 +01:00
spmi
ssb
staging media: dvb: symbol fixup for dvb_attach() 2023-09-09 08:15:11 +01:00
target scsi: target: core: Fix target_cmd_counter leak 2023-09-13 20:09:56 -04:00
tc
tee
thermal thermal: sysfs: Fix trip_point_hyst_store() 2023-09-18 13:13:05 +02:00
thunderbolt thunderbolt: Changes for v6.6 merge window 2023-08-22 14:22:35 +02:00
tty TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
ufs scsi: ufs: core: Poll HCS.UCRDY before issuing a UIC command 2023-09-05 06:10:24 -04:00
uio uio: pruss: fix missing iounmap() in pruss_probe() 2023-08-22 13:41:55 +02:00
usb usb: typec: ucsi: Fix NULL pointer dereference 2023-09-11 13:52:16 +02:00
vdpa virtio: features 2023-09-04 10:43:44 -07:00
vfio iommufd for 6.6 2023-08-30 20:41:37 -07:00
vhost vdpa: add get_backend_features vdpa operation 2023-09-03 18:10:22 -04:00
video fbdev/sh7760fb: Depend on FB=y 2023-09-21 10:33:49 +02:00
virt minmax: add in_range() macro 2023-08-24 16:20:18 -07:00
virtio virtio_ring: fix avail_wrap_counter in virtqueue_add_packed 2023-09-03 18:10:24 -04:00
vlynq
w1 w1: ds2482: Switch back to use struct i2c_driver's .probe() 2023-09-13 10:48:42 +02:00
watchdog linux-watchdog 6.6-rc1 tag 2023-09-06 09:19:12 -07:00
xen xen: simplify evtchn_do_upcall() call maze 2023-09-19 07:04:49 +02:00
zorro zorro: Include zorro.h in names.c 2023-08-21 13:27:44 +02:00
Kconfig Merge patch series "Add non-coherent DMA support for AX45MP" 2023-09-08 11:24:34 -07:00
Makefile pmdomain: Rename the genpd subsystem to pmdomain 2023-09-13 11:09:21 +02:00