Kai-Heng Feng b3eed11110 power: supply: core: Use blocking_notifier_call_chain to avoid RCU complaint ... [ Upstream commit bbaa6ffa5b6c9609d3b3c431c389b407eea5441f ] AMD PMF driver can cause the following warning: [ 196.159546] ------------[ cut here ]------------ [ 196.159556] Voluntary context switch within RCU read-side critical section! [ 196.159571] WARNING: CPU: 0 PID: 9 at kernel/rcu/tree_plugin.h:320 rcu_note_context_switch+0x43d/0x560 [ 196.159604] Modules linked in: nvme_fabrics ccm rfcomm snd_hda_scodec_cs35l41_spi cmac algif_hash algif_skcipher af_alg bnep joydev btusb btrtl uvcvideo btintel btbcm videobuf2_vmalloc intel_rapl_msr btmtk videobuf2_memops uvc videobuf2_v4l2 intel_rapl_common binfmt_misc hid_sensor_als snd_sof_amd_vangogh hid_sensor_trigger bluetooth industrialio_triggered_buffer videodev snd_sof_amd_rembrandt hid_sensor_iio_common amdgpu ecdh_generic kfifo_buf videobuf2_common hp_wmi kvm_amd sparse_keymap snd_sof_amd_renoir wmi_bmof industrialio ecc mc nls_iso8859_1 kvm snd_sof_amd_acp irqbypass snd_sof_xtensa_dsp crct10dif_pclmul crc32_pclmul mt7921e snd_sof_pci snd_ctl_led polyval_clmulni mt7921_common polyval_generic snd_sof ghash_clmulni_intel mt792x_lib mt76_connac_lib sha512_ssse3 snd_sof_utils aesni_intel snd_hda_codec_realtek crypto_simd mt76 snd_hda_codec_generic cryptd snd_soc_core snd_hda_codec_hdmi rapl ledtrig_audio input_leds snd_compress i2c_algo_bit drm_ttm_helper mac80211 snd_pci_ps hid_multitouch ttm drm_exec [ 196.159970] drm_suballoc_helper snd_rpl_pci_acp6x amdxcp drm_buddy snd_hda_intel snd_acp_pci snd_hda_scodec_cs35l41_i2c serio_raw gpu_sched snd_hda_scodec_cs35l41 snd_acp_legacy_common snd_intel_dspcfg snd_hda_cs_dsp_ctls snd_hda_codec libarc4 drm_display_helper snd_pci_acp6x cs_dsp snd_hwdep snd_soc_cs35l41_lib video k10temp snd_pci_acp5x thunderbolt snd_hda_core drm_kms_helper cfg80211 snd_seq snd_rn_pci_acp3x snd_pcm snd_acp_config cec snd_soc_acpi snd_seq_device rc_core ccp snd_pci_acp3x snd_timer snd soundcore wmi amd_pmf platform_profile amd_pmc mac_hid serial_multi_instantiate wireless_hotkey hid_sensor_hub sch_fq_codel msr parport_pc ppdev lp parport efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx libcrc32c xor raid6_pq raid1 raid0 multipath linear dm_mirror dm_region_hash dm_log cdc_ether usbnet r8152 mii hid_generic nvme i2c_hid_acpi i2c_hid nvme_core i2c_piix4 xhci_pci amd_sfh drm xhci_pci_renesas nvme_common hid [ 196.160382] CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.6.0-rc1 #4 [ 196.160397] Hardware name: HP HP EliteBook 845 14 inch G10 Notebook PC/8B6E, BIOS V82 Ver. 01.02.00 08/24/2023 [ 196.160405] Workqueue: events power_supply_changed_work [ 196.160426] RIP: 0010:rcu_note_context_switch+0x43d/0x560 [ 196.160440] Code: 00 48 89 be 40 08 00 00 48 89 86 48 08 00 00 48 89 10 e9 63 fe ff ff 48 c7 c7 10 e7 b0 9e c6 05 e8 d8 20 02 01 e8 13 0f f3 ff <0f> 0b e9 27 fc ff ff a9 ff ff ff 7f 0f 84 cf fc ff ff 65 48 8b 3c [ 196.160450] RSP: 0018:ffffc900001878f0 EFLAGS: 00010046 [ 196.160462] RAX: 0000000000000000 RBX: ffff88885e834040 RCX: 0000000000000000 [ 196.160470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 196.160476] RBP: ffffc90000187910 R08: 0000000000000000 R09: 0000000000000000 [ 196.160482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 196.160488] R13: 0000000000000000 R14: ffff888100990000 R15: ffff888100990000 [ 196.160495] FS: 0000000000000000(0000) GS:ffff88885e800000(0000) knlGS:0000000000000000 [ 196.160504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.160512] CR2: 000055cb053c8246 CR3: 000000013443a000 CR4: 0000000000750ef0 [ 196.160520] PKRU: 55555554 [ 196.160526] Call Trace: [ 196.160532] <TASK> [ 196.160548] ? show_regs+0x72/0x90 [ 196.160570] ? rcu_note_context_switch+0x43d/0x560 [ 196.160580] ? __warn+0x8d/0x160 [ 196.160600] ? rcu_note_context_switch+0x43d/0x560 [ 196.160613] ? report_bug+0x1bb/0x1d0 [ 196.160637] ? handle_bug+0x46/0x90 [ 196.160658] ? exc_invalid_op+0x19/0x80 [ 196.160675] ? asm_exc_invalid_op+0x1b/0x20 [ 196.160709] ? rcu_note_context_switch+0x43d/0x560 [ 196.160727] __schedule+0xb9/0x15f0 [ 196.160746] ? srso_alias_return_thunk+0x5/0x7f [ 196.160765] ? srso_alias_return_thunk+0x5/0x7f [ 196.160778] ? acpi_ns_search_one_scope+0xbe/0x270 [ 196.160806] schedule+0x68/0x110 [ 196.160820] schedule_timeout+0x151/0x160 [ 196.160829] ? srso_alias_return_thunk+0x5/0x7f [ 196.160842] ? srso_alias_return_thunk+0x5/0x7f [ 196.160855] ? acpi_ns_lookup+0x3c5/0xa90 [ 196.160878] __down_common+0xff/0x220 [ 196.160905] __down_timeout+0x16/0x30 [ 196.160920] down_timeout+0x64/0x70 [ 196.160938] acpi_os_wait_semaphore+0x85/0x200 [ 196.160959] acpi_ut_acquire_mutex+0x9e/0x280 [ 196.160979] acpi_ex_enter_interpreter+0x2d/0xb0 [ 196.160992] acpi_ns_evaluate+0x2f0/0x5f0 [ 196.161005] acpi_evaluate_object+0x172/0x490 [ 196.161018] ? acpi_os_signal_semaphore+0x8a/0xd0 [ 196.161038] acpi_evaluate_integer+0x52/0xe0 [ 196.161055] ? kfree+0x79/0x120 [ 196.161071] ? srso_alias_return_thunk+0x5/0x7f [ 196.161089] acpi_ac_get_state.part.0+0x27/0x80 [ 196.161110] get_ac_property+0x5c/0x70 [ 196.161127] ? __pfx___power_supply_is_system_supplied+0x10/0x10 [ 196.161146] __power_supply_is_system_supplied+0x44/0xb0 [ 196.161166] class_for_each_device+0x124/0x160 [ 196.161184] ? acpi_ac_get_state.part.0+0x27/0x80 [ 196.161203] ? srso_alias_return_thunk+0x5/0x7f [ 196.161223] power_supply_is_system_supplied+0x3c/0x70 [ 196.161243] amd_pmf_get_power_source+0xe/0x20 [amd_pmf] [ 196.161276] amd_pmf_power_slider_update_event+0x49/0x90 [amd_pmf] [ 196.161310] amd_pmf_pwr_src_notify_call+0xe7/0x100 [amd_pmf] [ 196.161340] notifier_call_chain+0x5f/0xe0 [ 196.161362] atomic_notifier_call_chain+0x33/0x60 [ 196.161378] power_supply_changed_work+0x84/0x110 [ 196.161394] process_one_work+0x178/0x360 [ 196.161412] ? __pfx_worker_thread+0x10/0x10 [ 196.161424] worker_thread+0x307/0x430 [ 196.161440] ? __pfx_worker_thread+0x10/0x10 [ 196.161451] kthread+0xf4/0x130 [ 196.161467] ? __pfx_kthread+0x10/0x10 [ 196.161486] ret_from_fork+0x43/0x70 [ 196.161502] ? __pfx_kthread+0x10/0x10 [ 196.161518] ret_from_fork_asm+0x1b/0x30 [ 196.161558] </TASK> [ 196.161562] ---[ end trace 0000000000000000 ]--- Since there's no guarantee that all the callbacks can work in atomic context, switch to use blocking_notifier_call_chain to relax the constraint. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Reported-by: Allen Zhong <allen@atr.me> Fixes: 4c71ae4144 ("platform/x86/amd/pmf: Add support SPS PMF feature") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217571 Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20230913033233.602986-1-kai.heng.feng@canonical.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-11-08 14:11:02 +01:00
..
accessibility
acpi	ACPI: irq: Fix incorrect return value in acpi_register_gsi()	2023-10-25 12:03:14 +02:00
amba	amba: bus: fix refcount leak	2023-09-13 09:42:56 +02:00
android	binder: fix memory leak in binder_init()	2023-08-16 18:27:24 +02:00
ata	scsi: sd: Introduce manage_shutdown device flag	2023-11-02 09:35:29 +01:00
atm
auxdisplay
base	regmap: fix NULL deref on lookup	2023-10-25 12:03:04 +02:00
bcma
block	rbd: take header_rwsem in rbd_dev_refresh() only when updating	2023-10-10 22:00:37 +02:00
bluetooth	Bluetooth: btusb: add shutdown function for QCA6174	2023-10-25 12:03:10 +02:00
bus	bus: ti-sysc: Fix SYSC_QUIRK_SWSUP_SIDLE_ACT handling for uart wake-up	2023-10-06 14:56:48 +02:00
cdrom
char	parisc: sba: Fix compile warning wrt list of SBA devices	2023-10-06 14:56:51 +02:00
clk	clk: Sanitize possible_parent_show to Handle Return Value of of_clk_get_parent_name	2023-11-02 09:35:32 +01:00
clocksource	clocksource/drivers/arm_arch_timer: Disable timer before programming CVAL	2023-09-19 12:28:04 +02:00
comedi
connector
counter	counter: microchip-tcb-capture: Fix the use of internal GCLK logic	2023-10-19 23:08:58 +02:00
cpufreq	cpufreq: brcmstb-avs-cpufreq: Fix -Warray-bounds bug	2023-09-13 09:43:04 +02:00
cpuidle	powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT	2023-09-13 09:42:48 +02:00
crypto	virtio-crypto: handle config changed by work queue	2023-11-02 09:35:23 +01:00
cxl	cxl/acpi: Return 'rc' instead of '0' in cxl_parse_cfmws()	2023-08-03 10:24:04 +02:00
dax	dax/kmem: Pass valid argument to memory_group_register_static	2023-07-19 16:21:43 +02:00
dca
devfreq	PM / devfreq: Fix leak in devfreq_dev_release()	2023-09-13 09:42:59 +02:00
dio
dma	dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe	2023-11-08 14:10:58 +01:00
dma-buf	dma-buf: add dma_fence_timestamp helper	2023-10-19 23:08:57 +02:00
edac	EDAC/igen6: Fix the issue of no error events	2023-09-13 09:42:45 +02:00
eisa
extcon	extcon: cht_wc: add POWER_SUPPLY dependency	2023-09-13 09:42:53 +02:00
firewire	scsi: sd: Introduce manage_shutdown device flag	2023-11-02 09:35:29 +01:00
firmware	efi: fix memory leak in krealloc failure handling	2023-11-08 14:10:59 +01:00
fpga
fsi	fsi: aspeed: Reset master errors after CFAM reset	2023-09-13 09:42:54 +02:00
gnss
gpio	gpio: vf610: mask the gpio irq in system suspend and support wakeup	2023-10-25 12:03:16 +02:00
gpu	drm/amdgpu: Reserve fences for VM update	2023-11-08 14:11:01 +01:00
greybus
hid	HID: input: map battery system charging	2023-10-25 12:03:14 +02:00
hsi
hte
hv	Drivers: hv: vmbus: Don't dereference ACPI root object handle	2023-09-13 09:42:59 +02:00
hwmon	hwmon: (nzxt-smart2) add another USB ID	2023-10-10 22:00:37 +02:00
hwspinlock	hwspinlock: qcom: add missing regmap config for SFPB MMIO implementation	2023-09-19 12:28:05 +02:00
hwtracing	coresight: tmc-etr: Disable warnings for allocation failures	2023-11-08 14:10:57 +01:00
i2c	i2c: aspeed: Fix i2c bus hang in slave read	2023-11-02 09:35:30 +01:00
i3c	i3c: master: svc: fix probe failure when no i3c device exist	2023-09-13 09:43:01 +02:00
idle	intel_idle: add Emerald Rapids Xeon support	2023-10-10 22:00:44 +02:00
iio	iio: adc: xilinx-xadc: Correct temperature offset/scale for UltraScale	2023-11-02 09:35:30 +01:00
infiniband	RDMA/cxgb4: Check skb value for failure to allocate	2023-10-19 23:08:49 +02:00
input	Input: synaptics-rmi4 - handle reset delay when using SMBus trsnsport	2023-11-08 14:10:58 +01:00
interconnect	interconnect: Teach lockdep about icc_bw_lock order	2023-09-23 11:11:13 +02:00
iommu	iommu/mediatek: Fix share pgtable for iova over 4GB	2023-10-10 22:00:41 +02:00
ipack
irqchip	irqchip/stm32-exti: add missing DT IRQ flag translation	2023-11-08 14:10:57 +01:00
isdn	mISDN: Update parameter type of dsp_cmx_send()	2023-08-16 18:27:26 +02:00
leds	leds: Drop BUG_ON check for LED_COLOR_ID_MULTI	2023-10-10 22:00:40 +02:00
macintosh
mailbox	mailbox: qcom-ipcc: fix incorrect num_chans counting	2023-09-19 12:27:58 +02:00
mcb	mcb-lpc: Reallocate memory region to avoid memory overlapping	2023-11-02 09:35:22 +01:00
md	dm zoned: free dmz->ddev array in dmz_put_zoned_devices	2023-10-10 22:00:44 +02:00
media	media: uvcvideo: Fix OOB read	2023-10-06 14:57:04 +02:00
memory	memory: brcmstb_dpfe: fix testing array offset after use	2023-07-19 16:21:24 +02:00
memstick	memstick r592: make memstick_debug_get_tpc_name() static	2023-07-19 16:21:08 +02:00
message	scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition	2023-05-24 17:32:37 +01:00
mfd	mfd: pm8008: Fix module autoloading	2023-07-23 13:49:37 +02:00
misc	misc: fastrpc: Unmap only if buffer is unmapped from DSP	2023-11-02 09:35:31 +01:00
mmc	mmc: core: Fix error propagation for some ioctl commands	2023-11-02 09:35:21 +01:00
most
mtd	mtd: physmap-core: Restore map_rom fallback	2023-10-25 12:03:13 +02:00
mux
net	r8152: Check for unplug in r8153b_ups_en() / r8153c_ups_en()	2023-11-08 14:11:02 +01:00
nfc	nfcsim.c: Fix error checking for debugfs_create_dir	2023-06-28 11:12:36 +02:00
ntb	ntb: Fix calculation ntb_transport_tx_free_entry()	2023-09-13 09:43:02 +02:00
nubus	nubus: Partially revert proc_create_single_data() conversion	2023-07-05 18:27:37 +01:00
nvdimm	nvdimm: Fix dereference after free in register_nvdimm_pmu()	2023-09-13 09:42:47 +02:00
nvme	nvme-rdma: do not try to stop unallocated queues	2023-10-25 12:03:14 +02:00
nvmem	nvmem: imx: correct nregs for i.MX6UL	2023-11-02 09:35:31 +01:00
of	of: dynamic: Fix potential memory leak in of_changeset_action()	2023-10-10 22:00:44 +02:00
opp	OPP: Fix passing 0 to PTR_ERR in _opp_attach_genpd()	2023-09-13 09:42:28 +02:00
parisc	parisc: iosapic.c: Fix sparse warnings	2023-10-06 14:56:51 +02:00
parport
pci	PCI: qcom: Fix IPQ8074 enumeration	2023-10-10 22:00:38 +02:00
pcmcia	pcmcia: rsrc_nonstatic: Fix memory leak in nonstatic_release_resource_db()	2023-08-23 17:52:24 +02:00
peci
perf	perf/arm-cmn: Fix the unhandled overflow status of counter 4 to 7	2023-10-19 23:08:50 +02:00
phy	phy: mapphone-mdm6600: Fix pinctrl_pm handling for sleep pins	2023-10-25 12:03:16 +02:00
pinctrl	pinctrl: qcom: lpass-lpi: fix concurrent register updates	2023-11-02 09:35:22 +01:00
platform	platform/mellanox: mlxbf-tmfifo: Fix a warning message	2023-11-08 14:11:01 +01:00
pnp
power	power: supply: core: Use blocking_notifier_call_chain to avoid RCU complaint	2023-11-08 14:11:02 +01:00
powercap	powercap: RAPL: Fix CONFIG_IOSF_MBI dependency	2023-07-19 16:21:00 +02:00
pps
ps3
ptp	ptp: ocp: Fix error handling in ptp_ocp_device_init	2023-10-10 22:00:42 +02:00
pwm	pwm: lpc32xx: Remove handling of PWM channels	2023-09-19 12:28:00 +02:00
rapidio
ras
regulator	regulator/core: Revert "fix kobject release warning and memory leak in regulator_register()"	2023-10-25 12:03:11 +02:00
remoteproc	remoteproc: imx_dsp_rproc: Fix kernel test robot sparse warning	2023-05-24 17:32:53 +01:00
reset
rpmsg	rpmsg: glink: Add check for kstrdup	2023-09-13 09:42:58 +02:00
rtc	rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff	2023-09-06 21:27:00 +01:00
s390	s390/cio: fix a memleak in css_alloc_subchannel	2023-10-25 12:03:15 +02:00
sbus
scsi	scsi: mpt3sas: Fix in error path	2023-11-08 14:11:00 +01:00
sh
siox
slimbus
soc	soc: imx8m: Enable OCOTP clock for imx8mm before reading registers	2023-10-06 14:56:49 +02:00
soundwire	soundwire: fix enumeration completion	2023-08-03 10:24:15 +02:00
spi	spi: npcm-fiu: Fix UMA reads when dummy.nbytes == 0	2023-11-08 14:10:59 +01:00
spmi
ssb
staging	media: rkvdec: increase max supported height for H.264	2023-09-13 09:42:50 +02:00
target	scsi: target: core: Fix deadlock due to recursive locking	2023-10-10 22:00:41 +02:00
tc
tee	tee: amdtee: fix use-after-free vulnerability in amdtee_close_session	2023-10-19 23:08:57 +02:00
thermal	thermal/of: add missing of_node_put()	2023-10-06 14:56:53 +02:00
thunderbolt	thunderbolt: Restart XDomain discovery handshake after failure	2023-10-19 23:08:56 +02:00
tty	serial: 8250: omap: convert to modern PM ops	2023-10-25 12:03:16 +02:00
ufs	scsi: ufs: core: Correct clear TM error log	2023-10-19 23:08:57 +02:00
uio
usb	USB: serial: option: add Fibocom to DELL custom modem FM101R-GL	2023-10-25 12:03:14 +02:00
vdpa	vdpa: Enable strict validation for netlinks ops	2023-08-23 17:52:31 +02:00
vfio	vfio/mdev: Fix a null-ptr-deref bug for mdev_unregister_parent()	2023-10-06 14:56:45 +02:00
vhost	vhost: Allow null msg.size on VHOST_IOTLB_INVALIDATE	2023-11-02 09:35:23 +01:00
video	fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb_exit()	2023-11-08 14:11:00 +01:00
virt	virt: sevguest: Add CONFIG_CRYPTO dependency	2023-07-19 16:20:55 +02:00
virtio	virtio_pci: fix the common cfg map size	2023-11-02 09:35:23 +01:00
vlynq
w1	w1: fix loop in w1_fini()	2023-07-19 16:21:48 +02:00
watchdog	watchdog: intel-mid_wdt: add MODULE_ALIAS() to allow auto-load	2023-09-19 12:28:00 +02:00
xen	xen/events: replace evtchn_rwlock with RCU	2023-10-10 22:00:46 +02:00
zorro
Kconfig
Makefile