AuxXxilium/linux_dsm_epyc7002
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5db25c9eb8
linux_dsm_epyc7002/drivers/base
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Rafael J. Wysocki 5db25c9eb8 driver core: Do not resume suppliers under device_links_write_lock() 
It is incorrect to call pm_runtime_get_sync() under
device_links_write_lock(), because it may end up trying to take
device_links_read_lock() while resuming the target device and that
will deadlock in the non-SRCU case, so avoid that by resuming the
supplier device in device_link_add() before calling
device_links_write_lock().

Fixes: 21d5c57b37 ("PM / runtime: Use device links")
Fixes: baa8809f60 ("PM / runtime: Optimize the use of device links")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-01 10:04:08 +01:00
..
firmware_loader firmware_loader: move firmware/ to drivers/base/firmware_loader/builtin/ 2019-01-22 10:23:18 +01:00
power PM core: Use new async_schedule_dev command 2019-01-31 14:20:54 +01:00
regmap Merge remote-tracking branch 'regmap/topic/irq' into regmap-next 2018-12-19 18:38:33 +00:00
test driver core: Rewrite test_async_driver_probe to cover serialization and NUMA affinity 2019-01-31 14:20:54 +01:00
arch_topology.c sched/topology, drivers/base/arch_topology: Rebuild the sched_domain hierarchy when capacities change 2018-09-10 11:05:47 +02:00
attribute_container.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
base.h driver core: Probe devices asynchronously instead of the driver 2019-01-31 14:20:53 +01:00
bus.c driver core: Probe devices asynchronously instead of the driver 2019-01-31 14:20:53 +01:00
cacheinfo.c drivers: base: cacheinfo: Do not populate sysfs for unknown cache types 2018-10-04 23:02:17 +02:00
class.c driver core: move device->knode_class to device_private 2019-01-18 16:55:48 +01:00
component.c component: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-20 16:33:18 +01:00
container.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
core.c driver core: Do not resume suppliers under device_links_write_lock() 2019-02-01 10:04:08 +01:00
cpu.c drivers: base: Use __printf markup to silence compiler 2019-01-31 19:28:40 +01:00
dd.c driver core: Attach devices on CPU local to device node 2019-01-31 14:20:54 +01:00
devcon.c drivers: base: Unified device connection lookup 2018-03-22 13:10:29 +01:00
devcoredump.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
devres.c devres: Align data[] to ARCH_KMALLOC_MINALIGN 2018-11-11 11:40:04 -08:00
devtmpfs.c vfs: Suppress MS_* flag defs within the kernel unless explicitly enabled 2018-12-20 16:32:56 +00:00
driver.c driver-core: return EINVAL error instead of BUG_ON() 2018-05-25 18:18:45 +02:00
firmware.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
hypervisor.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
init.c base: fix order of OF initialization 2018-07-07 17:54:29 +02:00
isa.c Merge 4.15-rc3 into driver-core-next 2017-12-11 08:50:05 +01:00
Kconfig firmware_loader: move kconfig FW_LOADER entries to its own file 2018-05-14 16:43:10 +02:00
Makefile drivers: base: Introducing software nodes to the firmware node framework 2018-11-26 18:19:11 +01:00
map.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
memory.c Driver core patches for 4.21-rc1 2018-12-28 20:44:29 -08:00
module.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
node.c mm, proc: add KReclaimable to /proc/meminfo 2018-10-26 16:26:32 -07:00
pinctrl.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
platform-msi.c platform-msi: Free descriptors in platform_msi_domain_free() 2018-12-13 09:35:31 +00:00
platform.c drivers/base/platform.c: kmemleak ignore a known leak 2019-01-04 13:13:48 -08:00
property.c device property: fix fwnode_graph_get_next_endpoint() documentation 2018-12-18 23:39:45 +01:00
soc.c base: soc: use put_device() instead of kfree() 2018-03-15 14:37:03 +01:00
swnode.c drivers: base: swnode: check if swnode is NULL before dereferencing it 2018-12-26 10:50:36 +01:00
syscore.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
topology.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
transport_class.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00