Johannes Berg e246518aa2 PM: sleep: annotate RCU list iterations ... These iterations require the read lock, otherwise RCU lockdep will splat: ============================= WARNING: suspicious RCU usage 6.17.0-rc3-00014-g31419c045d64 #6 Tainted: G O ----------------------------- drivers/base/power/main.c:1333 RCU-list traversed in non-reader section!! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 5 locks held by rtcwake/547: #0: 00000000643ab418 (sb_writers#6){.+.+}-{0:0}, at: file_start_write+0x2b/0x3a #1: 0000000067a0ca88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x181/0x24b #2: 00000000631eac40 (kn->active#3){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x191/0x24b #3: 00000000609a1308 (system_transition_mutex){+.+.}-{4:4}, at: pm_suspend+0xaf/0x30b #4: 0000000060c0fdb0 (device_links_srcu){.+.+}-{0:0}, at: device_links_read_lock+0x75/0x98 stack backtrace: CPU: 0 UID: 0 PID: 547 Comm: rtcwake Tainted: G O 6.17.0-rc3-00014-g31419c045d64 #6 VOLUNTARY Tainted: [O]=OOT_MODULE Stack: 223721b3a80 6089eac6 00000001 00000001 ffffff00 6089eac6 00000535 6086e528 721b3ac0 6003c294 00000000 60031fc0 Call Trace: [<600407ed>] show_stack+0x10e/0x127 [<6003c294>] dump_stack_lvl+0x77/0xc6 [<6003c2fd>] dump_stack+0x1a/0x20 [<600bc2f8>] lockdep_rcu_suspicious+0x116/0x13e [<603d8ea1>] dpm_async_suspend_superior+0x117/0x17e [<603d980f>] device_suspend+0x528/0x541 [<603da24b>] dpm_suspend+0x1a2/0x267 [<603da837>] dpm_suspend_start+0x5d/0x72 [<600ca0c9>] suspend_devices_and_enter+0xab/0x736 [...] Add the fourth argument to the iteration to annotate this and avoid the splat. Fixes: 06799631d5 ("PM: sleep: Make async suspend handle suppliers like parents") Fixes: ed18738fff ("PM: sleep: Make async resume handle consumers like children") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://patch.msgid.link/20250826134348.aba79f6e6299.I9ecf55da46ccf33778f2c018a82e1819d815b348@changeid Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>		2025-08-26 15:27:04 +02:00
..
firmware_loader	Driver core changes for 6.17-rc1	2025-07-29 12:15:39 -07:00
power	PM: sleep: annotate RCU list iterations	2025-08-26 15:27:04 +02:00
regmap	regmap: Fixes for v6.17	2025-08-09 08:40:28 +03:00
test	drivers: base: test: Add ...find_device_by...(... NULL) tests	2024-12-24 09:48:09 +01:00
arch_numa.c	arch_numa: Restore nid checks before registering a memblock with a node	2024-12-01 22:04:52 +02:00
arch_topology.c	arch_topology: Relocate cpu_scale to topology.[h|c]	2025-05-07 21:56:55 +02:00
attribute_container.c	driver core: attribute_container: Remove unused functions	2024-09-13 15:41:42 +02:00
auxiliary.c	Driver core changes for 6.17-rc1	2025-07-29 12:15:39 -07:00
auxiliary_sysfs.c	driver core: auxiliary bus: show auxiliary device IRQs	2024-07-11 14:17:03 -07:00
base.h	driver core: fix potential NULL pointer dereference in dev_uevent()	2025-04-15 17:04:35 +02:00
bus.c	driver core: fix potential NULL pointer dereference in dev_uevent()	2025-04-15 17:04:35 +02:00
cacheinfo.c	cacheinfo: Add arch hook to compress CPU h/w id into 32 bits for cache-id	2025-07-16 15:04:27 +02:00
class.c	drivers: core: remove device_link argument from class_compat_[create|remove]_link	2025-01-10 15:42:20 +01:00
component.c	component: do not try to unbind unbound components	2025-04-15 18:05:40 +02:00
container.c	driver core: container: make container_subsys const	2023-12-21 13:56:10 +01:00
core.c	Driver core changes for 6.17-rc1	2025-07-29 12:15:39 -07:00
cpu.c	x86/bugs: Add a Transient Scheduler Attacks mitigation	2025-06-17 17:17:02 +02:00
dd.c	PM: domains: Detach on device_unbind_cleanup()	2025-07-07 20:41:21 +02:00
devcoredump.c	sysfs: treewide: switch back to attribute_group::bin_attrs	2025-06-17 10:44:15 +02:00
devres.c	Immutable tag for the driver core tree to pull from	2025-04-28 10:18:29 +02:00
devtmpfs.c	devtmpfs: don't use vfs_getattr_nosec to query i_mode	2025-04-25 12:11:45 +02:00
driver.c	driver core: Introduce device_iter_t for device iterating APIs	2025-01-10 15:26:12 +01:00
faux.c	driver core: faux: Quiet probe failures	2025-06-10 19:23:25 +02:00
firmware.c
hypervisor.c
init.c	driver core: add a faux bus for use when a simple device/bus is needed	2025-02-13 16:58:51 +01:00
isa.c	driver core: have match() callback in struct bus_type take a const *	2024-07-03 15:16:54 +02:00
Kconfig	arch_numa: switch over to numa_memblks	2024-09-03 21:15:32 -07:00
Makefile	driver core: add a faux bus for use when a simple device/bus is needed	2025-02-13 16:58:51 +01:00
map.c	driver: base: Prefer unsigned int to bare use of unsigned	2021-07-21 17:30:09 +02:00
memory.c	drivers/base/node: optimize memory block registration to reduce boot time	2025-07-09 22:41:59 -07:00
module.c	drivers: base: handle module_kobject creation	2025-04-16 15:10:55 +02:00
node.c	Summary of significant series in this pull request:	2025-07-31 14:57:54 -07:00
physical_location.c	driver core: location: Use str_yes_no() helper function	2025-02-21 09:20:30 +01:00
physical_location.h	driver core: physical_location.h remove extern from function prototypes	2023-03-24 15:35:48 +01:00
pinctrl.c
platform-msi.c	platform-msi: Add msi_remove_device_irq_domain() in platform_device_msi_free_irqs_all()	2025-05-07 17:49:00 +02:00
platform.c	driver core: platform: Drop dev_pm_domain_detach() call	2025-07-07 20:41:21 +02:00
property.c	Char/Misc/IIO pull request for 6.16-rc1	2025-06-06 11:50:47 -07:00
soc.c	driver core: mark remaining local bus_type variables as const	2023-12-21 13:56:30 +01:00
swnode.c	Linux 6.15-rc4	2025-04-28 09:51:34 +02:00
syscore.c	syscore: Use pm_pr_dbg() for syscore_{suspend,resume}()	2020-09-08 13:32:06 +02:00
topology.c	sysfs: treewide: switch back to attribute_group::bin_attrs	2025-06-17 10:44:15 +02:00
trace.c	devres: Enable trace events	2021-06-15 17:14:36 +02:00
trace.h	devres: Fix page faults when tracing devres from unloaded modules	2024-10-14 08:21:09 +02:00
transport_class.c	drivers: base: transport_class: fix resource leak when transport_add_device() fails	2023-01-20 14:22:53 +01:00