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android_kernel_samsung_a7y1.../drivers
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Akeem G Abodunrin 59c19c8e9e drm/i915/gen9: Clear residual context state on context switch 
commit bc8a76a152c5f9ef3b48104154a65a68a8b76946 upstream.

Intel ID: PSIRT-TA-201910-001
CVEID: CVE-2019-14615

Intel GPU Hardware prior to Gen11 does not clear EU state
during a context switch. This can result in information
leakage between contexts.

For Gen8 and Gen9, hardware provides a mechanism for
fast cleardown of the EU state, by issuing a PIPE_CONTROL
with bit 27 set. We can use this in a context batch buffer
to explicitly cleardown the state on every context switch.

As this workaround is already in place for gen8, we can borrow
the code verbatim for Gen9.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Cc: Kumar Valsan Prathap <prathap.kumar.valsan@intel.com>
Cc: Chris Wilson <chris.p.wilson@intel.com>
Cc: Balestrieri Francesco <francesco.balestrieri@intel.com>
Cc: Bloomfield Jon <jon.bloomfield@intel.com>
Cc: Dutt Sudeep <sudeep.dutt@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-07 13:33:10 +02:00
..
accessibility A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
acpi ACPI: PM: Avoid attaching ACPI PM domain to certain devices 2020-04-07 13:07:24 +02:00
amba A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
android ANDROID: binder: synchronize_rcu() when using POLLFREE. 2020-04-07 08:06:59 +02:00
ata libata: Ensure ata_port probe has completed before detach 2020-04-07 13:20:53 +02:00
atm atm: zatm: Fix empty body Clang warnings 2020-04-07 12:35:08 +02:00
auxdisplay A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
base x86/bugs: Add ITLB_MULTIHIT bug infrastructure 2020-04-07 12:00:26 +02:00
battery A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
battery_v2 A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
bcma A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
block rsxx: add missed destroy_workqueue calls in remove 2020-04-07 12:44:10 +02:00
bluetooth Bluetooth: btusb: fix PM leak in error case of setup 2020-04-07 13:24:51 +02:00
bts A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
bus A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ccic A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
cdrom cdrom: respect device capabilities during opening action 2020-04-07 13:23:35 +02:00
char hwrng: omap3-rom - Call clk_disable_unprepare() on exit only if not idled 2020-04-07 13:20:24 +02:00
clk clk: pxa: fix one of the pxa RTC clocks 2020-04-07 13:23:20 +02:00
clocksource clocksource/drivers/asm9260: Add a check for of_clk_get 2020-04-07 13:22:56 +02:00
connector A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
cpufreq cpufreq: Register drivers only after CPU devices have been registered 2020-04-07 13:21:35 +02:00
cpuidle cpuidle: Do not unset the driver if it is there already 2020-04-07 13:07:18 +02:00
crypto crypto: vmx - Avoid weird build failures 2020-04-07 13:21:48 +02:00
dca A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
devfreq PM / devfreq: Don't fail devfreq_dev_release if not in list 2020-04-07 13:24:09 +02:00
dio A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
dma dmaengine: coh901318: Remove unused variable 2020-04-07 12:44:51 +02:00
dma-buf A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
edac EDAC/ghes: Fix grain calculation 2020-04-07 13:21:28 +02:00
eisa A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
extcon extcon: sm5502: Reset registers during initialization 2020-04-07 13:20:38 +02:00
fingerprint A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
firewire net: add annotations on hh->hh_len lockless accesses 2020-04-07 13:25:04 +02:00
firmware gsmi: Fix bug in append_to_eventlog sysfs handler 2020-04-07 12:34:33 +02:00
five A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
fmc A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
fpga A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
gator A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
gpio gpiolib: fix up emulated open drain outputs 2020-04-07 13:24:45 +02:00
gps A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
gpu drm/i915/gen9: Clear residual context state on context switch 2020-04-07 13:33:10 +02:00
gud A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
hid HID: hid-input: clear unmapped usages 2020-04-07 13:32:30 +02:00
hsi A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
hv A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
hwmon hwmon: (pwm-fan) Silence error on probe deferral 2020-04-07 12:33:24 +02:00
hwspinlock A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
hwtracing stm class: Fix a double free of stm_source_device 2020-04-06 21:33:50 +02:00
i2c i2c: imx: don't print error message on probe defer 2020-04-07 12:45:01 +02:00
ide A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
idle A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
iio iio: adc: max1027: Reset the device at probe time 2020-04-07 13:20:44 +02:00
infiniband RDMA/cma: add missed unregister_pernet_subsys in init failure 2020-04-07 13:24:11 +02:00
input Input: add safety guards to input_set_keycode() 2020-04-07 13:32:32 +02:00
iommu iommu/tegra-smmu: Fix page tables in > 4 GiB memory 2020-04-07 13:22:44 +02:00
ipack A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
irqchip irqchip: ingenic: Error out if IRQ domain creation failed 2020-04-07 13:23:09 +02:00
isdn staging: gigaset: add endpoint-type sanity check 2020-04-07 13:06:29 +02:00
leds leds: leds-lp5562 allow firmware files up to the maximum length 2020-04-07 07:37:48 +02:00
lguest A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
lightnvm A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
macintosh macintosh/windfarm_smu_sat: Fix debug output 2020-04-07 12:35:02 +02:00
mailbox mailbox: handle failed named mailbox channel request 2020-04-06 20:13:46 +02:00
mcb A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
md md: raid1: check rdev before reference in raid1_sync_request func 2020-04-07 13:24:22 +02:00
media media: si470x-i2c: add missed operations in remove 2020-04-07 13:21:26 +02:00
memory memory: tegra: Fix integer overflow on tick value calculation 2020-04-06 18:14:02 +02:00
memstick memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()' 2020-04-07 09:27:02 +02:00
message A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
mfd mfd: max8997: Enale irq-wakeup unconditionally 2020-04-07 12:35:27 +02:00
misc altera-stapl: check for a null key before strcasecmp'ing it 2020-04-07 12:44:57 +02:00
mmc mmc: sdhci: Update the tuning failed messages to pr_debug level 2020-04-07 13:24:04 +02:00
motor A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
mtd mtd: spear_smi: Fix Write Burst mode 2020-04-07 13:06:47 +02:00
muic A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
net rtl8xxxu: prevent leaking urb 2020-04-07 13:33:02 +02:00
nfc NFC: nxp-nci: Fix NULL pointer dereference after I2C communication error 2020-04-07 12:44:04 +02:00
ntb ntb: intel: fix return value for ndev_vec_mask() 2020-04-07 12:36:03 +02:00
nubus A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
nvdimm libnvdimm/btt: Fix a kmemdup failure check 2020-04-06 16:43:30 +02:00
nvme A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
nvmem nvmem: core: return error code instead of NULL from nvmem_device_get 2020-04-07 12:27:36 +02:00
of of: make PowerMac cache node search conditional on CONFIG_PPC_PMAC 2020-04-07 12:27:09 +02:00
oprofile A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parisc parisc: Disable HP HSC-PCI Cards to prevent kernel crash 2020-04-07 07:39:52 +02:00
parport parport: load lowlevel driver if ports not found 2020-04-07 13:21:33 +02:00
pci PCI/MSI: Fix incorrect MSI-X masking on resume 2020-04-07 13:12:43 +02:00
pcmcia A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
perf A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
phy phy: renesas: rcar-gen2: Fix memory leak at error paths 2020-04-06 20:06:04 +02:00
pinctrl pinctrl: sh-pfc: sh7734: Fix duplicate TCLK1_B 2020-04-07 13:20:55 +02:00
platform platform/x86: hp-wmi: Make buffer for HPWMI_FEATURE2_QUERY 128 bytes 2020-04-07 13:22:28 +02:00
pnp A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
power PM / AVS: SmartReflex: NULL check before some freeing functions is not needed 2020-04-07 12:41:14 +02:00
powercap A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
pps drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl 2020-04-06 20:26:27 +02:00
ps3 A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ptp A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
pwm pwm: Clear chip_data in pwm_put() 2020-04-07 12:43:26 +02:00
rapidio A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ras A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
regulator regulator: rn5t618: fix module aliases 2020-04-07 13:28:56 +02:00
remoteproc A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
reset A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
rpmsg A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
rtc rtc: max8997: Fix the returned value in case of error in 'max8997_rtc_read_alarm()' 2020-04-07 12:44:43 +02:00
s390 scsi: zfcp: trace channel log even for FCP command responses 2020-04-07 13:07:37 +02:00
sbus A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
scsi scsi: bfa: release allocated memory in case of error 2020-04-07 13:33:00 +02:00
security/samsung/icdrv A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
sensorhub A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
sensors A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
sfi A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
sh A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
sn A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
soc soc: mediatek: pwrap: Zero initialize rdata in pwrap_init_cipher 2020-04-06 19:02:13 +02:00
spi spi: tegra20-slink: add missed clk_unprepare 2020-04-07 13:21:39 +02:00
spmi A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ssb ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit 2020-04-06 18:15:20 +02:00
staging staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21 2020-04-07 13:32:50 +02:00
switch A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
target scsi: target: iscsi: Wait for all commands to finish before freeing a session 2020-04-07 13:23:29 +02:00
tc A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
tee A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
thermal thermal: Fix deadlock in thermal thermal_zone_device_check 2020-04-07 12:46:09 +02:00
thunderbolt thunderbolt: Use 32-bit writes when writing ring producer/consumer 2020-04-07 09:27:58 +02:00
trace A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
tty tty: always relink the port 2020-04-07 13:32:54 +02:00
uh A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
uio A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
usb USB: Fix: Don't skip endpoint descriptors with maxpacket=0 2020-04-07 13:33:04 +02:00
uwb A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
vfio vfio/pci: call irq_bypass_unregister_producer() before freeing irq 2020-04-07 13:12:53 +02:00
vhost vhost: make sure log_num < in_num 2020-04-06 21:35:05 +02:00
video video/hdmi: Fix AVI bar unpack 2020-04-07 13:07:31 +02:00
virt drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl 2020-04-06 17:01:49 +02:00
virtio virtio-balloon: fix managed page counts when migrating pages between zones 2020-04-07 13:06:49 +02:00
vision A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
vlynq A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
vme A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
w1 w1: fix the resume command API 2020-04-06 18:15:45 +02:00
watchdog watchdog: bcm2835_wdt: Fix module autoload 2020-04-06 21:33:14 +02:00
xen xen/balloon: fix ballooned page accounting without hotplug enabled 2020-04-07 13:24:28 +02:00
zorro A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
Kconfig A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
Makefile A750FXXU4CTBC 2020-03-27 21:51:54 +05:30