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2019-05-01net: aquantia: user correct MSI irq typeIgor Russkikh
Typo in msi code. No much impact though. Signed-off-by: Nikita Danilov <ndanilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: use macros for better visibilityIgor Russkikh
Improve for better readability Signed-off-by: Nikita Danilov <ndanilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: improve ifup link detectionIgor Russkikh
Original code detected link only after 1 sec is passed after up. Here we replace this with direct service callback which updates link status immediately Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: link status irq handlingIgor Russkikh
Here we define and request an extra interrupt line, assign it on link isr handler and restructure abit aq_pci code to better support that. We also remove logic for using different timer intervals depending on link state, since thats now useless. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: create global service workqueueNikita Danilov
We need this to schedule link interrupt handling and various service tasks. Signed-off-by: Nikita Danilov <ndanilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: link interrupt handling functionIgor Russkikh
Define link interrupt handler Signed-off-by: Nikita Danilov <ndanilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: add link interrupt fieldsIgor Russkikh
Declare macroes and nic fields to support link interrupt handling Signed-off-by: Nikita Danilov <ndanilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: implement hwmon api for chip temperatureYana Esina
Added support for hwmon api to fetch out chip temperature Signed-off-by: Yana Esina <yana.esina@aquantia.com> Signed-off-by: Nikita Danilov <nikita.danilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01net: aquantia: add infrastructure to readout chip temperatureYana Esina
Ability to read the chip temperature from memory via hwmon interface Signed-off-by: Yana Esina <yana.esina@aquantia.com> Signed-off-by: Nikita Danilov <nikita.danilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01sctp: avoid running the sctp state machine recursivelyXin Long
Ying triggered a call trace when doing an asconf testing: BUG: scheduling while atomic: swapper/12/0/0x10000100 Call Trace: <IRQ> [<ffffffffa4375904>] dump_stack+0x19/0x1b [<ffffffffa436fcaf>] __schedule_bug+0x64/0x72 [<ffffffffa437b93a>] __schedule+0x9ba/0xa00 [<ffffffffa3cd5326>] __cond_resched+0x26/0x30 [<ffffffffa437bc4a>] _cond_resched+0x3a/0x50 [<ffffffffa3e22be8>] kmem_cache_alloc_node+0x38/0x200 [<ffffffffa423512d>] __alloc_skb+0x5d/0x2d0 [<ffffffffc0995320>] sctp_packet_transmit+0x610/0xa20 [sctp] [<ffffffffc098510e>] sctp_outq_flush+0x2ce/0xc00 [sctp] [<ffffffffc098646c>] sctp_outq_uncork+0x1c/0x20 [sctp] [<ffffffffc0977338>] sctp_cmd_interpreter.isra.22+0xc8/0x1460 [sctp] [<ffffffffc0976ad1>] sctp_do_sm+0xe1/0x350 [sctp] [<ffffffffc099443d>] sctp_primitive_ASCONF+0x3d/0x50 [sctp] [<ffffffffc0977384>] sctp_cmd_interpreter.isra.22+0x114/0x1460 [sctp] [<ffffffffc0976ad1>] sctp_do_sm+0xe1/0x350 [sctp] [<ffffffffc097b3a4>] sctp_assoc_bh_rcv+0xf4/0x1b0 [sctp] [<ffffffffc09840f1>] sctp_inq_push+0x51/0x70 [sctp] [<ffffffffc099732b>] sctp_rcv+0xa8b/0xbd0 [sctp] As it shows, the first sctp_do_sm() running under atomic context (NET_RX softirq) invoked sctp_primitive_ASCONF() that uses GFP_KERNEL flag later, and this flag is supposed to be used in non-atomic context only. Besides, sctp_do_sm() was called recursively, which is not expected. Vlad tried to fix this recursive call in Commit c0786693404c ("sctp: Fix oops when sending queued ASCONF chunks") by introducing a new command SCTP_CMD_SEND_NEXT_ASCONF. But it didn't work as this command is still used in the first sctp_do_sm() call, and sctp_primitive_ASCONF() will be called in this command again. To avoid calling sctp_do_sm() recursively, we send the next queued ASCONF not by sctp_primitive_ASCONF(), but by sctp_sf_do_prm_asconf() in the 1st sctp_do_sm() directly. Reported-by: Ying Xu <yinxu@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01nvmet: protect discovery change log event list iterationSagi Grimberg
When we iterate on the discovery subsystem controllers we need to protect against concurrent mutations to it. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Minwoo Im <minwoo.im@samsung.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme: mark nvme_core_init and nvme_core_exit staticChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
2019-05-01nvme: move command size checks to the coreChristoph Hellwig
Most command aren't PCIe specific, so move the size checking for them to core.c Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
2019-05-01nvme-fabrics: check more command sizesMinwoo Im
struct common_command provides a common structure for NVMe-oF command format. It also needs to be checked for unintended size growth. Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-pci: check more command sizesMinwoo Im
All the NVMe command has 64bytes fixed size so that it has been assured with BUILD_BUG_ON(). The remaining command structures in linux/nvme.h also need to be checked here. Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-pci: remove an unneeded variable initializationMinwoo Im
Variable "n" will be assigned once kstrtoint() succeeds, otherwise it will not be referred because kstrtoint() will return an error which means go out from this function. Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-pci: unquiesce admin queue on shutdownKeith Busch
Just like IO queues, the admin queue also will not be restarted after a controller shutdown. Unquiesce this queue so that we do not block request dispatch on a permanently disabled controller. Reported-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-pci: shutdown on timeout during deletionKeith Busch
We do not restart a controller in a deleting state for timeout errors. When in this state, unblock potential request dispatchers with failed completions by shutting down the controller on timeout detection. Reported-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-pci: fix psdt field for single segment sglsKlaus Birkelund Jensen
The shortcut for single segment SGL requests did not set the PSDT field to mark the request as using SGLs. Fixes: 297910571f08 ("nvme-pci: optimize mapping single segment requests using SGLs") Signed-off-by: Klaus Birkelund Jensen <klaus.jensen@cnexlabs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-multipath: don't print ANA group state by defaultHannes Reinecke
Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-multipath: split bios with the ns_head bio_set before submittingHannes Reinecke
If the bio is moved to a different queue via blk_steal_bios() and the original queue is destroyed in nvme_remove_ns() we'll be ending with a crash in bio_endio() as the mempool for the split bio bvecs had already been destroyed. So split the bio using the original queue (which will remain during the lifetime of the bio) before sending it down to the underlying device. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01nvme-tcp: fix possible null deref on a timed out io queue connectSagi Grimberg
If I/O queue connect times out, we might have freed the queue socket already, so check for that on the error path in nvme_tcp_start_queue. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-01stmmac: pci: Fix typo in IOT2000 commentJan Kiszka
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01Documentation: fix netdev-FAQ.rst markup warningRandy Dunlap
Fix ReST underline warning: ./Documentation/networking/netdev-FAQ.rst:135: WARNING: Title underline too short. Q: I made changes to only a few patches in a patch series should I resend only those changed? -------------------------------------------------------------------------------------------- Fixes: ffa91253739c ("Documentation: networking: Update netdev-FAQ regarding patches") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01kobject: fix dereference before null check on kobjColin Ian King
The kobj pointer is being null-checked so potentially it could be null, however, the ktype declaration before the null check is dereferencing kobj hence we have a potential null pointer deference. Fix this by moving the assignment of ktype after kobj has been null checked. Addresses-Coverity: ("Dereference before null check") Fixes: aa30f47cf666 ("kobject: Add support for default attribute groups to kobj_type") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-01io_uring: have submission side sqe errors post a cqeJens Axboe
Currently we only post a cqe if we get an error OUTSIDE of submission. For submission, we return the error directly through io_uring_enter(). This is a bit awkward for applications, and it makes more sense to always post a cqe with an error, if the error happens on behalf of an sqe. This changes submission behavior a bit. io_uring_enter() returns -ERROR for an error, and > 0 for number of sqes submitted. Before this change, if you wanted to submit 8 entries and had an error on the 5th entry, io_uring_enter() would return 4 (for number of entries successfully submitted) and rewind the sqring. The application would then have to peek at the sqring and figure out what was wrong with the head sqe, and then skip it itself. With this change, we'll return 5 since we did consume 5 sqes, and the last sqe (with the error) will result in a cqe being posted with the error. This makes the logic easier to handle in the application, and it cleans up the submission part. Suggested-by: Stefan Bühler <source@stbuehler.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-01bcache: make is_discard_enabled() staticJens Axboe
It's not used outside this file. Fixes: 631207314d88 ("bcache: fix failure in journal relplay") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-01mt76: mt7603: dynamically alloc mcu req in mt7603_mcu_set_eepromLorenzo Bianconi
Do not allocate mcu requests on the stack in mt7603_mcu_set_eeprom in order to avoid the following warning: Warning: the frame size of 1032 bytes is larger than 1024 bytes Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: do not enable/disable pre_tbtt_tasklet in scan_start/scan_completeLorenzo Bianconi
Do not enable/disable pre_tbtt_tasklet tasklet in mt76x02_sw_scan/mt76x02_sw_scan_complete since it is already done setting the operating channel. Do run tbtt_tasklet while the device is offchannel Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: enable/disable pre_tbtt_tasklet in mt7603_set_channelLorenzo Bianconi
Disable pre_tbtt_tasklet tasklet before setting the operating channel. Enable/disable beacon_timer in mt7603_set_channel Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: move pre_tbtt_tasklet in mt76_devLorenzo Bianconi
Move pre_tbtt_tasklet tasklet in mt76_dev data structure since it is used by all drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: add TX/RX antenna pattern capabilitiesRyder Lee
Announce antenna pattern cap to adapt PHY and baseband settings. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: move beacon_mask in mt76_devLorenzo Bianconi
Move beacon_mask in mt76_dev data structure since it is used by all drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: move beacon_int in mt76_devLorenzo Bianconi
Move beacon_int in mt76_dev data structure since it is used by all drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: usb: use EP max packet aligned buffer sizes for rxStanislaw Gruszka
If buffer size is not usb_endpoint_maxp (512 or 1024 bytes) multiple, usb host driver has to use bounce buffer and copy data. For RX we can avoid that since we alreay allocate q->buf_size (2kB) buffers and mt76usb hardware will not fill more data as rx packet size is limited by network protocol. However add error message if this assumption somehow will be not true. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: report firmware version using ethtoolLorenzo Bianconi
Print fw_ver and build_date members of struct mt7603_fw_trailer similarly to what appears in the output of 'dmesg' when the MCU firmware is loaded. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: fix endianness sparse warningsRyder Lee
Fix many warnings with incorrect endian assumptions. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt76x02: mt76x02_poll_tx() can be statickbuild test robot
Fixes: ec7d2d74760a ("mt76: mt76x02: use napi polling for tx cleanup") Signed-off-by: kbuild test robot <lkp@intel.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: run __mt76_mcu_send_msg in mt7603_mcu_send_firmwareLorenzo Bianconi
Run __mt76_mcu_send_msg instead of __mt7603_mcu_msg_send and remove duplicated code. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: init mcu_restart function pointerLorenzo Bianconi
Use common function wrapper in mt7603_mcu_exit since the code is shared with mt7615 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: introduce mt76_mcu_restart macroLorenzo Bianconi
Use common function wrapper in mt76x02_watchdog_reset Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: initialize mt76_mcu_ops data structureLorenzo Bianconi
Use __mt76_mcu_send_msg wrapper instead of mt7603_mcu_msg_send. This is a preliminary patch for mt7615-mt7603 mcu code unification Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: use standard signature for mt7603_mcu_msg_sendLorenzo Bianconi
Use mt76 common signature for mt7603_mcu_msg_send. Move skb allocation in mt7603_mcu_msg_send and remove duplicated code. This is a preliminary patch for mt7615-mt7603 mcu code unification Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: remove query from mt7603_mcu_msg_send signatureLorenzo Bianconi
Remove query parameter from mt7603_mcu_msg_send/__mt7603_mcu_msg_send routine signature since it can be obtained from cmd value. This is a preliminary patch for mcu code unification between mt7615 and mt7603 drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7615: use sizeof instead of sizeof_fieldFelix Fietkau
It is simpler in this case Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt7603: fix initialization of max rx lengthFelix Fietkau
The previous version only accidentally disabled A-MSDU deaggregation by using the wrong mask for rx length configuration, which left previous length value in place. Fix the length and initialize the register completely to keep A-MSDU de-aggregation remaining disabled Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt76x02: remove irqsave/restore in locking for tx status fifoFelix Fietkau
Use a separate lock and spin_trylock to avoid disabling interrupts. Should improve performance and latency Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt76x02: use napi polling for tx cleanupFelix Fietkau
This allows tx scheduling and tx cleanup to run concurrently Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76: mt76x02: remove bogus mutex usageStanislaw Gruszka
mac80211 .start(), .stop() callbacks are never called concurrently with other callbacks. The only concurencly is with mt76 works which we cancel on stop() and schedule on start(). This fixes possible deadlock on cancel_delayed_work_sync(&dev->mac_work) as mac_work also take mutex. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-05-01mt76usb: fix tx/rx stopStanislaw Gruszka
Disabling tasklets on stopping rx/tx is wrong. If blocked tasklet is scheduled and we remove device we will get 100% cpu usage: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 9 root 20 0 0 0 0 R 93.8 0.0 1:47.19 ksoftirqd/0 by infinite loop in tasklet_action_common() and eventuall crash on next mt76usb module load: [ 2068.591964] RIP: 0010:tasklet_action_common.isra.17+0x66/0x100 [ 2068.591966] Code: 41 89 f5 eb 25 f0 48 0f ba 33 00 0f 83 b1 00 00 00 48 8b 7a 20 48 8b 42 18 e8 56 a3 b5 00 f0 80 23 fd 48 89 ea 48 85 ed 74 53 <48> 8b 2a 48 8d 5a 08 f0 48 0f ba 6a 08 01 72 0b 8b 42 10 85 c0 74 [ 2068.591968] RSP: 0018:ffff98758c34be58 EFLAGS: 00010206 [ 2068.591969] RAX: ffff98758e6966d0 RBX: ffff98756e69aef8 RCX: 0000000000000006 [ 2068.591970] RDX: 01060a053d060305 RSI: 0000000000000006 RDI: ffff98758e6966d0 [ 2068.591971] RBP: 01060a053d060305 R08: 0000000000000000 R09: 00000000000203c0 [ 2068.591971] R10: 000003ff65b34f08 R11: 0000000000000001 R12: ffff98758e6966d0 [ 2068.591972] R13: 0000000000000006 R14: 0000000000000040 R15: 0000000000000006 [ 2068.591974] FS: 0000000000000000(0000) GS:ffff98758e680000(0000) knlGS:0000000000000000 [ 2068.591975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2068.591975] CR2: 00002c5f73a6cc20 CR3: 00000002f920a001 CR4: 00000000003606e0 [ 2068.591977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2068.591978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2068.591978] Call Trace: [ 2068.591985] __do_softirq+0xe3/0x30a [ 2068.591989] ? sort_range+0x20/0x20 [ 2068.591990] run_ksoftirqd+0x26/0x40 [ 2068.591992] smpboot_thread_fn+0xc5/0x160 [ 2068.591995] kthread+0x112/0x130 [ 2068.591997] ? kthread_create_on_node+0x40/0x40 [ 2068.591998] ret_from_fork+0x35/0x40 [ 2068.591999] Modules linked in: ccm arc4 fuse rfcomm cmac bnep sunrpc snd_hda_codec_hdmi snd_soc_skl snd_soc_core snd_soc_acpi_intel_match snd_hda_codec_realtek snd_soc_acpi snd_hda_codec_generic snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core iTCO_wdt snd_hda_intel intel_rapl iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp btusb mei_wdt coretemp btrtl snd_hda_codec btbcm btintel intel_cstate snd_hwdep intel_uncore uvcvideo snd_hda_core videobuf2_vmalloc videobuf2_memops intel_rapl_perf wmi_bmof videobuf2_v4l2 intel_wmi_thunderbolt snd_seq bluetooth joydev videobuf2_common snd_seq_device snd_pcm videodev media i2c_i801 snd_timer idma64 ecdh_generic intel_lpss_pci intel_lpss mei_me mei ucsi_acpi typec_ucsi processor_thermal_device intel_soc_dts_iosf intel_pch_thermal typec thinkpad_acpi wmi snd soundcore rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad pcc_cpufreq uas usb_storage crc32c_intel i915 i2c_algo_bit nvme serio_raw [ 2068.592033] drm_kms_helper e1000e nvme_core drm video ipv6 [last unloaded: cfg80211] Fortunate thing is that this not happen frequently, as scheduling tasklet on blocked state is very exceptional, though might happen. Due to different RX/TX tasklet processing fix is different for those. For RX we have to assure rx_tasklet do fail to resubmit buffers by poisoning urb's and kill the tasklet. For TX we need to handle all stop cases properly (suspend, module unload, device removal). Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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