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ff0fbfacc9
linux/drivers
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Chris Wilson ff0fbfacc9 drm: Flush output polling on shutdown 
[ Upstream commit 3b295cb1a4 ]

We need to mark the output polling as disabled to prevent concurrent
irqs from queuing new work as shutdown the probe -- causing that work to
execute after we have freed the structs:

<4> [341.846490] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
<4> [341.846497] WARNING: CPU: 3 PID: 3300 at kernel/locking/mutex-debug.c:103 mutex_destroy+0x49/0x50
<4> [341.846508] Modules linked in: i915(-) vgem thunderbolt snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm mcs7830 btusb usbnet btrtl mii btbcm btintel bluetooth ecdh_generic ecc mei_me mei prime_numbers i2c_hid pinctrl_sunrisepoint pinctrl_intel [last unloaded: i915]
<4> [341.846546] CPU: 3 PID: 3300 Comm: i915_module_loa Tainted: G     U            5.2.0-rc2-CI-CI_DRM_6175+ #1
<4> [341.846553] Hardware name: Dell Inc. XPS 13 9360/0823VW, BIOS 2.9.0 07/09/2018
<4> [341.846560] RIP: 0010:mutex_destroy+0x49/0x50
<4> [341.846565] Code: 00 00 5b c3 e8 a8 9f 3b 00 85 c0 74 ed 8b 05 3e 55 23 01 85 c0 75 e3 48 c7 c6 00 d0 08 82 48 c7 c7 a8 aa 07 82 e8 e7 08 fa ff <0f> 0b eb cc 0f 1f 00 48 b8 11 11 11 11 11 11 11 11 48 89 76 20 48
<4> [341.846578] RSP: 0018:ffffc900006cfdb0 EFLAGS: 00010286
<4> [341.846583] RAX: 0000000000000000 RBX: ffff88826759a168 RCX: 0000000000000000
<4> [341.846589] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffffff8112844c
<4> [341.846595] RBP: ffff8882708fa548 R08: 0000000000000000 R09: 0000000000039600
<4> [341.846601] R10: 0000000000000000 R11: 0000000000000ce4 R12: ffffffffa07de1e0
<4> [341.846607] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa07de2d0
<4> [341.846613] FS:  00007f62b5ae0e40(0000) GS:ffff888276380000(0000) knlGS:0000000000000000
<4> [341.846620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [341.846626] CR2: 000055a4e064f4a0 CR3: 0000000266b16006 CR4: 00000000003606e0
<4> [341.846632] Call Trace:
<4> [341.846639]  drm_fb_helper_fini.part.17+0xb3/0x100
<4> [341.846682]  intel_fbdev_fini+0x20/0x80 [i915]
<4> [341.846722]  intel_modeset_cleanup+0x9a/0x140 [i915]
<4> [341.846750]  i915_driver_unload+0xa3/0x100 [i915]
<4> [341.846778]  i915_pci_remove+0x19/0x30 [i915]
<4> [341.846784]  pci_device_remove+0x36/0xb0
<4> [341.846790]  device_release_driver_internal+0xd3/0x1b0
<4> [341.846795]  driver_detach+0x3f/0x80
<4> [341.846800]  bus_remove_driver+0x53/0xd0
<4> [341.846805]  pci_unregister_driver+0x25/0xa0
<4> [341.846843]  i915_exit+0x16/0x1c [i915]
<4> [341.846849]  __se_sys_delete_module+0x162/0x210
<4> [341.846855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
<4> [341.846859]  ? do_syscall_64+0xd/0x1c0
<4> [341.846864]  do_syscall_64+0x55/0x1c0
<4> [341.846869]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [341.846875] RIP: 0033:0x7f62b51871b7
<4> [341.846881] Code: 73 01 c3 48 8b 0d d1 8c 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 8c 2c 00 f7 d8 64 89 01 48
<4> [341.846897] RSP: 002b:00007ffe7a227138 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
<4> [341.846904] RAX: ffffffffffffffda RBX: 00007ffe7a2272b0 RCX: 00007f62b51871b7
<4> [341.846910] RDX: 0000000000000001 RSI: 0000000000000800 RDI: 0000557cd6b55948
<4> [341.846916] RBP: 0000557cd6b558e0 R08: 0000557cd6b5594c R09: 00007ffe7a227160
<4> [341.846922] R10: 00007ffe7a226134 R11: 0000000000000206 R12: 0000000000000000
<4> [341.846927] R13: 00007ffe7a227820 R14: 0000000000000000 R15: 0000000000000000
<4> [341.846936] irq event stamp: 3547847
<4> [341.846940] hardirqs last  enabled at (3547847): [<ffffffff819aad2c>] _raw_spin_unlock_irqrestore+0x4c/0x60
<4> [341.846949] hardirqs last disabled at (3547846): [<ffffffff819aab9d>] _raw_spin_lock_irqsave+0xd/0x50
<4> [341.846957] softirqs last  enabled at (3547376): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9
<4> [341.846966] softirqs last disabled at (3547367): [<ffffffff810b6379>] irq_exit+0xa9/0xc0
<4> [341.846973] WARNING: CPU: 3 PID: 3300 at kernel/locking/mutex-debug.c:103 mutex_destroy+0x49/0x50
<4> [341.846980] ---[ end trace ba94ca8952ba970e ]---
<7> [341.866547] [drm:intel_dp_detect [i915]] MST support? port A: no, sink: no, modparam: yes
<7> [341.890480] [drm:drm_add_display_info] non_desktop set to 0
<7> [341.890530] [drm:drm_add_edid_modes] ELD: no CEA Extension found
<7> [341.890537] [drm:drm_add_display_info] non_desktop set to 0
<7> [341.890578] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:86:eDP-1] probed modes :
<7> [341.890589] [drm:drm_mode_debug_printmodeline] Modeline "3200x1800": 60 373250 3200 3248 3280 3360 1800 1803 1808 1852 0x48 0xa
<7> [341.890602] [drm:drm_mode_debug_printmodeline] Modeline "3200x1800": 48 298600 3200 3248 3280 3360 1800 1803 1808 1852 0x40 0xa
<4> [341.890628] general protection fault: 0000 [#1] PREEMPT SMP PTI
<4> [341.890636] CPU: 0 PID: 508 Comm: kworker/0:4 Tainted: G     U  W         5.2.0-rc2-CI-CI_DRM_6175+ #1
<4> [341.890646] Hardware name: Dell Inc. XPS 13 9360/0823VW, BIOS 2.9.0 07/09/2018
<4> [341.890655] Workqueue: events output_poll_execute
<4> [341.890663] RIP: 0010:drm_setup_crtcs+0x13e/0xbe0
<4> [341.890669] Code: 00 41 8b 44 24 58 85 c0 0f 8e f9 01 00 00 44 8b 6c 24 20 44 8b 74 24 28 31 db 31 ed 49 8b 44 24 60 48 63 d5 44 89 ee 83 c5 01 <48> 8b 04 d0 44 89 f2 48 8b 38 48 8b 87 88 01 00 00 48 8b 40 20 e8
<4> [341.890686] RSP: 0018:ffffc9000033fd40 EFLAGS: 00010202
<4> [341.890692] RAX: 6b6b6b6b6b6b6b6b RBX: 0000000000000002 RCX: 0000000000000000
<4> [341.890700] RDX: 0000000000000001 RSI: 0000000000000c80 RDI: 00000000ffffffff
<4> [341.890707] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
<4> [341.890715] R10: 0000000000000c80 R11: 0000000000000000 R12: ffff888267599fe8
<4> [341.890722] R13: 0000000000000c80 R14: 0000000000000708 R15: 0000000000000007
<4> [341.890730] FS:  0000000000000000(0000) GS:ffff888276200000(0000) knlGS:0000000000000000
<4> [341.890739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [341.890745] CR2: 000055a4e064f4a0 CR3: 000000026d234003 CR4: 00000000003606f0
<4> [341.890752] Call Trace:
<4> [341.890760]  drm_fb_helper_hotplug_event.part.24+0x89/0xb0
<4> [341.890768]  drm_kms_helper_hotplug_event+0x21/0x30
<4> [341.890774]  output_poll_execute+0x9d/0x1a0
<4> [341.890782]  process_one_work+0x245/0x610
<4> [341.890790]  worker_thread+0x37/0x380
<4> [341.890796]  ? process_one_work+0x610/0x610
<4> [341.890802]  kthread+0x119/0x130
<4> [341.890808]  ? kthread_park+0x80/0x80
<4> [341.890815]  ret_from_fork+0x3a/0x50

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109964
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603135910.15979-2-chris@chris-wilson.co.uk
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-10-01 08:26:11 +02:00
..
accessibility
acpi ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id() 2019-08-16 10:12:48 +02:00
amba
android binder: fix possible UAF when freeing buffer 2019-08-04 09:30:53 +02:00
ata libata: add SG safety checks in SFF pio transfers 2019-08-29 08:28:45 +02:00
atm Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105 2019-09-21 07:16:57 +02:00
auxdisplay auxdisplay: panel: need to delete scan_timer when misc_register fails in panel_attach 2019-09-06 10:21:56 +02:00
base driver core: Fix use-after-free and double free on glue directory 2019-09-19 09:09:37 +02:00
bcma
block floppy: fix usercopy direction 2019-09-21 07:17:14 +02:00
bluetooth Revert "Bluetooth: btusb: driver to enable the usb-wakeup feature" 2019-09-19 09:09:40 +02:00
bus bus: ti-sysc: Simplify cleanup upon failures in sysc_probe() 2019-09-21 07:16:51 +02:00
cdrom cdrom: Fix race condition in cdrom_sysctl_register 2019-04-05 22:33:10 +02:00
char tpm: Fix some name collisions with drivers/char/tpm.h 2019-09-16 08:22:05 +02:00
clk clk: rockchip: Don't yell about bad mmc phases when getting 2019-09-19 09:09:36 +02:00
clocksource clocksource/drivers/exynos_mct: Increase priority over ARM arch timer 2019-07-26 09:14:12 +02:00
connector
cpufreq cpufreq/pasemi: fix use-after-free in pas_cpufreq_cpu_init() 2019-08-16 10:12:46 +02:00
cpuidle
crypto crypto: talitos - fix missing break in switch statement 2019-10-01 08:26:02 +02:00
dax mm/huge_memory: fix vmf_insert_pfn_{pmd, pud}() crash, handle unaligned addresses 2019-05-22 07:37:40 +02:00
dca
devfreq
dio
dma dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe() 2019-09-21 07:17:11 +02:00
dma-buf dma-buf: Discard old fence_excl on retrying get_fences_rcu for realloc 2019-07-28 08:29:28 +02:00
edac EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec 2019-07-26 09:14:13 +02:00
eisa
extcon extcon: arizona: Disable mic detect if running when driver is removed 2019-05-31 06:46:23 -07:00
firewire
firmware firmware: google: check if size is valid when decoding VPD data 2019-09-21 07:16:44 +02:00
fmc
fpga fpga: altera-ps-spi: Fix getting of optional confd gpio 2019-09-21 07:16:53 +02:00
fsi fsi: scom: Don't abort operations for minor errors 2019-09-06 10:22:19 +02:00
gnss
gpio gpio: fix line flag validation in lineevent_create 2019-09-19 09:09:37 +02:00
gpu drm: Flush output polling on shutdown 2019-10-01 08:26:11 +02:00
hid HID: Add quirk for HP X500 PIXART OEM mouse 2019-10-01 08:26:02 +02:00
hsi
hv Drivers: hv: kvp: Fix the recent regression caused by incorrect clean-up 2019-09-16 08:21:54 +02:00
hwmon hwmon: (nct7802) Fix wrong detection of in4 presence 2019-08-16 10:12:51 +02:00
hwspinlock
hwtracing intel_th: pci: Add Tiger Lake support 2019-09-06 10:22:18 +02:00
i2c i2c: designware: Synchronize IRQs when unregistering slave client 2019-09-21 07:17:06 +02:00
ide
idle x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
iio iio: adc: stm32-dfsdm: fix data type 2019-09-19 09:09:40 +02:00
infiniband IB/core: Add an unbound WQ type to the new CQ API 2019-10-01 08:26:00 +02:00
input Input: elan_i2c - remove Lenovo Legion Y7000 PnpID 2019-09-21 07:16:41 +02:00
iommu iommu/amd: Fix race in increase_address_space() 2019-09-21 07:17:14 +02:00
ipack
irqchip irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices 2019-10-01 08:26:08 +02:00
isdn isdn/capi: check message length in capi_write() 2019-09-19 09:09:29 +02:00
leds leds: trigger: netdev: use memcpy in device_name_store 2019-05-04 09:20:22 +02:00
lightnvm lightnvm: pblk: fix freeing of merged pages 2019-07-26 09:14:09 +02:00
macintosh
mailbox mailbox: handle failed named mailbox channel request 2019-07-31 07:27:07 +02:00
mcb
md dm zoned: fix invalid memory access 2019-10-01 08:26:10 +02:00
media media: tvp5150: fix switch exit in set control handler 2019-10-01 08:26:05 +02:00
memory memory: tegra: Fix integer overflow on tick value calculation 2019-05-25 18:23:32 +02:00
memstick memstick: Fix error cleanup path of memstick_init 2019-07-31 07:26:59 +02:00
message
mfd mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies 2019-09-16 08:22:04 +02:00
misc VMCI: Release resource if the work is already queued 2019-09-06 10:22:20 +02:00
mmc mmc: sdhci-pci: Add support for Intel CML 2019-09-16 08:22:13 +02:00
mtd mtd: cfi_cmdset_0002: Use chip_good() to retry in do_write_oneword() 2019-10-01 08:26:02 +02:00
mux
net net/ibmvnic: Fix missing { in __ibmvnic_reset 2019-10-01 08:26:10 +02:00
nfc st_nci_hci_connectivity_event_received: null check the allocation 2019-08-29 08:28:31 +02:00
ntb
nubus
nvdimm libnvdimm/bus: Fix wait_nvdimm_bus_probe_idle() ABBA deadlock 2019-08-09 17:52:28 +02:00
nvme nvme-fc: use separate work queue to avoid warning 2019-09-16 08:21:44 +02:00
nvmem nvmem: Use the same permissions for eeprom as for nvmem 2019-09-19 09:09:41 +02:00
of of: overlay: set node fields from properties when add new overlay node 2019-06-09 09:17:24 +02:00
opp
oprofile
parisc parisc: Use implicit space register selection for loading the coherence index of I/O pdirs 2019-06-11 12:20:51 +02:00
parport parport: Fix mem leak in parport_register_dev_model 2019-06-25 11:35:55 +08:00
pci PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it 2019-10-01 08:26:09 +02:00
pcmcia
perf drivers/perf: arm_pmu: Fix failure path in PM notifier 2019-08-06 19:06:55 +02:00
phy phy: renesas: rcar-gen3-usb2: Disable clearing VBUS in over-current 2019-09-21 07:16:42 +02:00
pinctrl pinctrl: sprd: Use define directive for sprd_pinconf_params values 2019-10-01 08:26:07 +02:00
platform platform/x86: pmc_atom: Add CB4063 Beckhoff Automation board to critclk_systems DMI table 2019-09-19 09:09:40 +02:00
pnp
power power: supply: sysfs: ratelimit property read error message 2019-10-01 08:26:07 +02:00
powercap x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
pps drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl 2019-08-04 09:30:56 +02:00
ps3
ptp
pwm Revert "pwm: Set class for exported channels in sysfs" 2019-08-25 10:47:46 +02:00
rapidio drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings 2019-08-06 19:06:52 +02:00
ras RAS/CEC: Fix pfn insertion 2019-07-26 09:14:05 +02:00
regulator regulator: s2mps11: Fix buck7 and buck8 wrong voltages 2019-07-26 09:14:22 +02:00
remoteproc remoteproc: qcom: q6v5-mss: add SCM probe dependency 2019-09-16 08:21:48 +02:00
reset reset: meson-audio-arb: Fix missing .owner setting of reset_controller_dev 2019-05-08 07:21:47 +02:00
rpmsg
rtc rtc: pcf8523: don't return invalid date when battery is low 2019-06-19 08:18:07 +02:00
s390 virtio/s390: fix race on airq_areas[] 2019-09-16 08:22:23 +02:00
sbus
scsi scsi: qla2xxx: Return switch command on a timeout 2019-10-01 08:26:08 +02:00
sfi
sh
siox
slimbus slimbus: fix a potential NULL pointer dereference in of_qcom_slim_ngd_register 2019-05-31 06:46:14 -07:00
sn
soc soc: bcm: brcmstb: biuctrl: Register writes require a barrier 2019-07-14 08:11:03 +02:00
soundwire soundwire: cadence_master: fix definitions for INTSTAT0/1 2019-09-06 10:21:56 +02:00
spi spi: spi-gpio: fix SPI_CS_HIGH capability 2019-09-16 08:22:07 +02:00
spmi
ssb ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit 2019-05-31 06:46:04 -07:00
staging staging: wilc1000: fix error path cleanup in wilc_wlan_initialize() 2019-09-16 08:22:17 +02:00
target scsi: target/iblock: Fix overrun in WRITE SAME emulation 2019-09-16 08:22:17 +02:00
tc
tee
thermal drivers: thermal: tsens: Don't print error message on -EPROBE_DEFER 2019-06-15 11:54:02 +02:00
thunderbolt thunderbolt: property: Fix a NULL pointer dereference 2019-05-31 06:46:31 -07:00
tty tty/serial: atmel: reschedule TX after RX was started 2019-09-21 07:16:45 +02:00
uio
usb usb: host: xhci-tegra: Set DMA mask correctly 2019-09-21 07:17:04 +02:00
uwb
vfio vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING" 2019-06-15 11:54:07 +02:00
vhost vhost: make sure log_num < in_num 2019-09-16 08:22:25 +02:00
video video: imsttfb: fix potential NULL pointer dereferences 2019-06-15 11:54:10 +02:00
virt drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl 2019-05-16 19:41:31 +02:00
virtio virtio_pci: fix a NULL pointer reference in vp_del_vqs 2019-05-10 17:54:08 +02:00
visorbus
vlynq
vme
w1 w1: fix the resume command API 2019-05-31 06:46:14 -07:00
watchdog watchdog: bcm2835_wdt: Fix module autoload 2019-09-06 10:22:02 +02:00
xen xen/pciback: remove set but not used variable 'old_state' 2019-08-25 10:47:52 +02:00
zorro
Kconfig
Makefile