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authorScott Bauer <scott.bauer@intel.com>2018-06-29 13:03:28 -0600
committerChristoph Hellwig <hch@lst.de>2018-07-17 05:46:19 -0700
commitcf39a6bc342b980f10f344d88035829638a89a48 (patch)
treeb035f19521ca8abe1ed19584dc732e1470b46d8c /drivers/input/keyboard/amikbd.c
parentb6e44b4c74ef75f729f0147d43d189173fe463c9 (diff)
nvme: ensure forward progress during Admin passthru
If the controller supports effects and goes down during the passthru admin command we will deadlock during namespace revalidation. [ 363.488275] INFO: task kworker/u16:5:231 blocked for more than 120 seconds. [ 363.488290] Not tainted 4.17.0+ #2 [ 363.488296] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 363.488303] kworker/u16:5 D 0 231 2 0x80000000 [ 363.488331] Workqueue: nvme-reset-wq nvme_reset_work [nvme] [ 363.488338] Call Trace: [ 363.488385] schedule+0x75/0x190 [ 363.488396] rwsem_down_read_failed+0x1c3/0x2f0 [ 363.488481] call_rwsem_down_read_failed+0x14/0x30 [ 363.488504] down_read+0x1d/0x80 [ 363.488523] nvme_stop_queues+0x1e/0xa0 [nvme_core] [ 363.488536] nvme_dev_disable+0xae4/0x1620 [nvme] [ 363.488614] nvme_reset_work+0xd1e/0x49d9 [nvme] [ 363.488911] process_one_work+0x81a/0x1400 [ 363.488934] worker_thread+0x87/0xe80 [ 363.488955] kthread+0x2db/0x390 [ 363.488977] ret_from_fork+0x35/0x40 Fixes: 84fef62d135b6 ("nvme: check admin passthru command effects") Signed-off-by: Scott Bauer <scott.bauer@intel.com> Reviewed-by: Keith Busch <keith.busch@linux.intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/input/keyboard/amikbd.c')
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