AuxXxilium/linux_dsm_epyc7002
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a1fdbfbb1d
linux_dsm_epyc7002/drivers/base
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Rafael J. Wysocki a1fdbfbb1d driver core: Do not call rpm_put_suppliers() in pm_runtime_drop_link() 
Calling rpm_put_suppliers() from pm_runtime_drop_link() is excessive
as it affects all suppliers of the consumer device and not just the
one pointed to by the device link being dropped.  Worst case it may
cause the consumer device to stop working unexpectedly.  Moreover, in
principle it is racy with respect to runtime PM of the consumer
device.

To avoid these problems drop runtime PM references on the particular
supplier pointed to by the link in question only and do that after
the link has been dropped from the consumer device's list of links to
suppliers, which is in device_link_free().

Fixes: a0504aecba ("PM / runtime: Drop usage count for suppliers at device link removal")
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 driver core: Do not call rpm_put_suppliers() in pm_runtime_drop_link() 2019-02-01 10:04:08 +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 call rpm_put_suppliers() in pm_runtime_drop_link() 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