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kernel-fxtec-pro1x/drivers/acpi
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Erik Kaneda 3ca48b8952 ACPICA: Do not increment operation_region reference counts for field units 
[ Upstream commit 6a54ebae6d047c988a31f5ac5a64ab5cf83797a2 ]

ACPICA commit e17b28cfcc31918d0db9547b6b274b09c413eb70

Object reference counts are used as a part of ACPICA's garbage
collection mechanism. This mechanism keeps track of references to
heap-allocated structures such as the ACPI operand objects.

Recent server firmware has revealed that this reference count can
overflow on large servers that declare many field units under the
same operation_region. This occurs because each field unit declaration
will add a reference count to the source operation_region.

This change solves the reference count overflow for operation_regions
objects by preventing fieldunits from incrementing their
operation_region's reference count. Each operation_region's reference
count will not be changed by named objects declared under the Field
operator. During namespace deletion, the operation_region namespace
node will be deleted and each fieldunit will be deleted without
touching the deleted operation_region object.

Link: https://github.com/acpica/acpica/commit/e17b28cf
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-19 08:14:53 +02:00
..
acpica ACPICA: Do not increment operation_region reference counts for field units 2020-08-19 08:14:53 +02:00
apei x86/mm: split vmalloc_sync_all() 2020-03-25 08:06:13 +01:00
arm64 ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id() 2019-08-16 10:12:48 +02:00
dptf License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfit nfit: Add Hyper-V NVDIMM DSM command set to white list 2020-05-27 17:37:39 +02:00
pmic ACPI / PMIC: xpower: Fix TS-pin current-source handling 2019-01-16 22:04:34 +01:00
x86 x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
ac.c ACPI updates for 4.18-rc1 2018-06-05 10:08:27 -07:00
acpi_amba.c
acpi_apd.c ACPI: APD: Add AMD misc clock handler support 2018-05-17 12:44:06 +02:00
acpi_cmos_rtc.c
acpi_configfs.c ACPI: configfs: make config_item_type const 2017-10-19 16:15:29 +02:00
acpi_dbg.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
acpi_extlog.c ACPI: Switch to use generic guid_t in acpi_evaluate_dsm() 2017-06-07 12:20:49 +02:00
acpi_ipmi.c
acpi_lpat.c ACPI / lpat: Fix typos in comments and kerneldoc style 2017-07-24 22:52:00 +02:00
acpi_lpit.c ACPI / PM: LPIT: Register sysfs attributes based on FADT 2018-11-13 11:08:24 -08:00
acpi_lpss.c ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS 2020-01-27 14:51:00 +01:00
acpi_memhotplug.c mm/memory_hotplug: make remove_memory() take the device_hotplug_lock 2020-01-29 16:43:24 +01:00
acpi_pad.c ACPI: acpi_pad: Fix memory leak in power saving threads 2018-03-30 12:04:58 +02:00
acpi_platform.c ACPI / platform: Add SMB0001 HID to forbidden_id_list 2018-11-27 16:13:10 +01:00
acpi_pnp.c
acpi_processor.c ACPI / processor: don't print errors for processorIDs == 0xff 2019-10-05 13:09:38 +02:00
acpi_tad.c ACPI: Add Time and Alarm Device (TAD) driver 2018-03-20 10:36:04 +01:00
acpi_video.c ACPI: video: Add new hw_changes_brightness quirk, set it on PB Easynote MZ35 2019-10-01 08:26:11 +02:00
acpi_watchdog.c ACPI: watchdog: Allow disabling WDAT at boot 2020-03-20 11:55:52 +01:00
battery.c ACPI / battery: Deal better with neither design nor full capacity not being reported 2020-02-11 04:33:59 -08:00
bgrt.c ACPI: BGRT: constify attribute_group structures 2017-07-04 22:15:20 +02:00
blacklist.c ACPI: blacklist: fix clang warning for unused DMI table 2019-08-06 19:06:50 +02:00
bus.c ACPI: bus: Fix NULL pointer check in acpi_bus_get_private_data() 2019-12-17 20:35:05 +01:00
button.c ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch 2020-02-24 08:34:45 +01:00
cm_sbs.c
container.c
cppc_acpi.c ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() 2020-06-22 09:05:02 +02:00
custom_method.c ACPI: custom_method: fix memory leaks 2019-10-05 13:09:53 +02:00
debugfs.c
device_pm.c ACPI: PM: Avoid using power resources if there are none for D0 2020-06-22 09:05:02 +02:00
device_sysfs.c ACPI / device_sysfs: Avoid OF modalias creation for removed device 2019-03-23 20:09:57 +01:00
dock.c ACPI: Mark expected switch fall-throughs 2017-11-09 00:55:16 +01:00
ec.c Revert "ACPI / EC: Remove old CLEAR_ON_RESUME quirk" 2019-04-20 09:16:04 +02:00
ec_sys.c ACPI: EC: Fix debugfs_create_*() usage 2018-01-04 13:54:51 +01:00
event.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
evged.c ACPI: GED: use correct trigger type field in _Exx / _Lxx handling 2020-06-22 09:05:09 +02:00
fan.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
glue.c IOMMU Updates for Linux v4.12 2017-05-09 15:15:47 -07:00
hed.c
internal.h ACPI: EC / PM: Disable non-wakeup GPEs for suspend-to-idle 2019-04-20 09:16:03 +02:00
ioapic.c ACPI: fix whitespace in pr_fmt() to align log entries 2017-06-22 02:18:20 +02:00
irq.c ACPI / irq: Fix return code of acpi_gsi_to_irq() 2017-07-12 13:11:49 +02:00
Kconfig ACPI: fix menuconfig presentation of ACPI submenu 2018-08-23 10:20:07 +02:00
Makefile ACPI: Enable PPTT support on ARM64 2018-05-17 17:28:09 +01:00
numa.c ACPI: NUMA: Use correct type for printing addresses on i386-PAE 2019-02-20 10:25:39 +01:00
nvs.c
osi.c ACPI / OSI: Add OEM _OSI string to enable NVidia HDMI audio 2018-07-20 10:12:41 +02:00
osl.c ACPI: OSL: only free map once in osl.c 2019-12-17 20:35:05 +01:00
pci_irq.c ACPI / PCI: fix acpi_pci_irq_enable() memory leak 2019-10-05 13:09:53 +02:00
pci_link.c ACPI / PCI: pci_link: Allow the absence of _PRS and change log level 2018-02-27 17:15:39 +01:00
pci_mcfg.c PCI/ACPI: Add ThunderX pass2.x 2nd node MCFG quirk 2017-04-24 11:58:56 -05:00
pci_root.c PCI/ACPI: Correct error message for ASPM disabling 2019-11-20 18:46:52 +01:00
pci_slot.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
power.c ACPI: power: Skip duplicate power resource references in _PRx 2019-01-16 22:04:33 +01:00
pptt.c ACPI/PPTT: Add support for ACPI 6.3 thread flag 2019-10-17 13:45:34 -07:00
proc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
processor_core.c xen/ACPI: don't upload Px/Cx data for disabled processors 2018-08-20 14:46:18 -04:00
processor_driver.c ACPI: processor: use dev_dbg() instead of dev_warn() when CPPC probe failed 2017-07-27 01:51:06 +02:00
processor_idle.c More ACPI updates for v4.16-rc1 2018-02-09 09:44:25 -08:00
processor_pdc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
processor_perflib.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
processor_thermal.c
processor_throttling.c x86: ACPI: fix CPU hotplug deadlock 2020-04-23 10:30:20 +02:00
property.c ACPI / property: fix handling of data_nodes in acpi_get_next_subnode() 2019-05-31 06:46:11 -07:00
reboot.c ACPI: add missing newline to printk 2018-05-02 13:01:08 +02:00
resource.c ACPI: Mark expected switch fall-throughs 2017-11-09 00:55:16 +01:00
sbs.c ACPI / SBS: Fix GPE storm on recent MacBookPro's 2019-04-20 09:16:01 +02:00
sbshc.c ACPI / SBS: Fix rare oops when removing modules 2019-11-24 08:20:31 +01:00
sbshc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scan.c ACPI: PM: Avoid using power resources if there are none for D0 2020-06-22 09:05:02 +02:00
sleep.c ACPI: PM: Set enable_for_wake for wakeup GPEs during suspend-to-idle 2019-05-22 07:37:41 +02:00
sleep.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spcr.c ACPI: SPCR: Consider baud rate 0 as preconfigured state 2019-02-12 19:47:02 +01:00
sysfs.c ACPI: sysfs: Fix pm_profile_attr type 2020-06-30 23:17:15 -04:00
tables.c arm64 updates for 4.18: 2018-06-08 11:10:58 -07:00
thermal.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
utils.c ACPI / utils: Drop reference in test for device presence 2019-04-20 09:15:58 +02:00
video_detect.c ACPI: video: Use native backlight on Acer TravelMate 5735Z 2020-07-22 09:32:05 +02:00
wakeup.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00