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Michal Wajdeczko 705a412a36 drm/xe/pf: Clear all LMTT pages on alloc 
Our LMEM buffer objects are not cleared by default on alloc
and during VF provisioning we only setup LMTT PTEs for the
actually provisioned LMEM range. But beyond that valid range
we might leave some stale data that could either point to some
other VFs allocations or even to the PF pages.

Explicitly clear all new LMTT page to avoid the risk that a
malicious VF would try to exploit that gap.

While around add asserts to catch any undesired PTE overwrites
and low-level debug traces to track LMTT PT life-cycle.

Fixes: b1d2040582 ("drm/xe/pf: Introduce Local Memory Translation Table")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://lore.kernel.org/r/20250701220052.1612-1-michal.wajdeczko@intel.com
(cherry picked from commit 3fae6918a3)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
 		2025-07-07 20:57:07 -07:00
..
accel accel/amdxdna: Fix incorrect PSP firmware size 2025-06-09 07:16:32 -07:00
accessibility
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acpi ACPI fix for 6.16-rc5. 2025-07-04 17:25:41 -07:00
amba
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android Char/Misc/IIO pull request for 6.16-rc1 2025-06-06 11:50:47 -07:00
ata ata: ahci: Use correct DMI identifier for ASUSPRO-D840SA LPM quirk 2025-06-25 15:17:57 +02:00
atm atm: idt77252: Add missing `dma_map_error()` 2025-06-25 15:28:57 -07:00
auxdisplay treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
base PM: Restrict swap use to later in the suspend sequence 2025-06-26 20:39:34 +02:00
bcma
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block block-6.16-20250704 2025-07-04 09:33:59 -07:00
bluetooth driver: bluetooth: hci_qca:fix unable to load the BT driver 2025-06-20 11:55:03 -04:00
bus treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
cache
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cdrom
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cdx
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char treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
clk I've recently moved computers (among other things) so I'm sending this from a 2025-05-30 09:15:40 -07:00
clocksource MFD for v6.16 2025-06-03 11:53:55 -07:00
comedi treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
connector
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counter Second set of Counter updates for 6.16 2025-05-24 08:29:32 +02:00
cpufreq rust: Use CpuId in place of raw CPU numbers 2025-06-12 10:31:28 +05:30
cpuidle Merge branch 'pm-cpuidle' 2025-05-30 20:21:36 +02:00
crypto treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
cxl cxl/edac: Fix using wrong repair type to check dram event record 2025-06-25 12:05:45 -07:00
dax
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dca
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devfreq
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dio
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dma treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dma-buf dma-buf: fix timeout handling in dma_resv_wait_timeout v2 2025-06-30 13:15:44 +02:00
dpll
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edac EDAC: Initialize EDAC features sysfs attributes 2025-06-30 10:57:24 +02:00
eisa
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extcon
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firewire treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
firmware Samsung SoC fixes for v6.16 2025-07-03 16:23:53 +02:00
fpga FPGA Manager changes for 6.16-rc1 2025-05-21 14:08:44 +02:00
fsi
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fwctl
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gnss
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gpio gpio: mlxbf3: only get IRQ for device instance 0 2025-06-18 12:19:39 +02:00
gpu drm/xe/pf: Clear all LMTT pages on alloc 2025-07-07 20:57:07 -07:00
greybus treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
hid hid-for-linus-2025070502 2025-07-05 16:14:03 -07:00
hsi treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
hte
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hv hyperv-next for v6.16 2025-06-03 08:39:20 -07:00
hwmon hwmon: (ltc4282) avoid repeated register write 2025-06-16 06:30:58 -07:00
hwspinlock
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hwtracing coresight: updates for Linux v6.16 2025-05-22 18:04:43 +02:00
i2c i2c-for-6.16-rc5 2025-07-05 12:54:24 -07:00
i3c i3c: controllers do not need to depend on I3C 2025-05-24 22:49:07 +02:00
idle intel_idle: Update arguments of mwait_idle_with_hints() 2025-06-10 21:09:28 +02:00
iio treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
infiniband SCSI fixes on 20250703 2025-07-03 11:52:39 -07:00
input Input updates for v6.16-rc4 2025-07-04 09:54:15 -07:00
interconnect Merge branch 'icc-sa8775p' into icc-next 2025-05-19 17:09:50 +03:00
iommu iommu/vt-d: Assign devtlb cache tag on ATS enablement 2025-07-04 10:33:56 +02:00
ipack
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irqchip irqchip/irq-msi-lib: Select CONFIG_GENERIC_MSI_IRQ 2025-06-30 16:59:12 +02:00
isdn treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
leds treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
macintosh
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mailbox treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
mcb
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md - dm-crypt: fix a crash on 32-bit machines 2025-06-23 15:02:57 -07:00
media treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
memory treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
memstick treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
message
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mfd mfd: Fix building without CONFIG_OF 2025-06-19 11:05:30 +01:00
misc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
mmc mtk-sd: reset host->mrq on prepare_data() error 2025-06-25 14:42:51 +02:00
most treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
mtd mtd: nand: qpic_common: prevent out of bounds access of BAM arrays 2025-06-29 22:10:47 +01:00
mux
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net net: ngbe: specify IRQ vector when the number of VFs is 7 2025-07-03 11:51:40 +02:00
nfc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ntb
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nubus
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nvdimm
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nvme block-6.16-20250704 2025-07-04 09:33:59 -07:00
nvmem Char/Misc/IIO pull request for 6.16-rc1 2025-06-06 11:50:47 -07:00
of - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
opp OPP: switch to use kmemdup_array() 2025-05-19 15:37:53 +05:30
parisc
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parport treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
pci pci-v6.16-fixes-2 2025-06-27 20:17:48 -07:00
pcmcia treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
peci
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perf arm64 updates for 6.16 2025-05-28 14:55:35 -07:00
phy phy-for-6.16 2025-06-05 08:20:21 -07:00
pinctrl pinctrl: sunxi: dt: Consider pin base when calculating bank number from pin 2025-06-10 14:35:40 +02:00
platform platform-drivers-x86 for v6.16-3 2025-07-04 10:05:31 -07:00
pmdomain pmdomain: ti: Fix STANDBY handling of PER power domain 2025-05-19 16:11:05 +02:00
pnp
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power - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
powercap powercap: intel_rapl: Do not change CLAMPING bit if ENABLE bit cannot be changed 2025-06-30 20:32:29 +02:00
pps treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ps3
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ptp ptp: allow reading of currently dialed frequency to succeed on free-running clocks 2025-06-17 16:13:09 -07:00
pwm pwm: axi-pwmgen: Fix handling of external clock 2025-06-06 13:16:50 -07:00
rapidio drivers/rapidio/rio_cm.c: prevent possible heap overwrite 2025-06-11 22:42:36 -07:00
ras
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regulator regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods 2025-07-03 12:22:35 +01:00
remoteproc remoteproc updates for v6.16 2025-06-02 11:04:29 -07:00
reset
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rpmsg rpmsg: qcom_smd: Fix uninitialized return variable in __qcom_smd_send() 2025-05-20 21:46:10 -05:00
rtc rtc: pcf2127: add missing semicolon after statement 2025-06-24 16:06:14 +02:00
s390 s390/pkey: Prevent overflow in size calculation for memdup_user() 2025-06-16 16:15:24 +02:00
sbus
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scsi scsi: core: Enforce unlimited max_segment_size when virt_boundary_mask is set 2025-06-24 21:20:58 -04:00
sh
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siox
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slimbus
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soc soc: drivers for 6.16 2025-05-31 07:53:30 -07:00
soundwire soundwire updates for 6.16 2025-06-05 08:07:24 -07:00
spi spi: cadence-quadspi: fix cleanup of rx_chan on failure paths 2025-07-01 14:02:26 +01:00
spmi irqdomain: spmi: Switch to irq_domain_create_tree() 2025-05-21 14:53:17 +02:00
ssb
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staging staging: rtl8723bs: Avoid memset() in aes_cipher() and aes_decipher() 2025-06-19 17:33:43 +02:00
target scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port() 2025-06-16 14:35:57 -04:00
tc
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tee A fix in the OP-TEE driver for v6.16 2025-07-03 16:26:08 +02:00
thermal Thermal control updates for 6.16-rc1 2025-05-27 16:28:02 -07:00
thunderbolt thunderbolt: Changes for v6.16 merge window 2025-05-21 12:26:51 +02:00
tty serial: imx: Restore original RXTL for console to fix data loss 2025-06-24 15:34:21 +01:00
ufs scsi: ufs: core: Fix spelling of a sysfs attribute name 2025-06-24 21:22:20 -04:00
uio Char/Misc/IIO pull request for 6.16-rc1 2025-06-06 11:50:47 -07:00
usb usb: hub: Fix flushing of delayed work used for post resume purposes 2025-06-30 15:36:00 +02:00
vdpa vdpa/octeon_ep: Control PCI dev enabling manually 2025-05-27 10:27:53 -04:00
vfio pci-v6.16-changes 2025-06-04 11:26:17 -07:00
vhost virtio, vhost: features, fixes 2025-05-29 08:15:35 -07:00
video treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
virt treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
virtio virtio_ring: Fix error reporting in virtqueue_resize 2025-07-03 11:40:02 +02:00
w1 Char/Misc/IIO pull request for 6.16-rc1 2025-06-06 11:50:47 -07:00
watchdog treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
xen xen/x86: fix initial memory balloon target 2025-05-23 07:09:00 +02:00
zorro
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Kconfig
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Makefile
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