Linux kernel bug fix: dm: add memory barrier before waitqueue_active
Subsystem: drivers/md (drivers/md/dm-rq.c)
Bug type: hang, severity: medium
Files changed: drivers/md/dm-rq.c;drivers/md/dm.c
Introduced by Mikulas Patocka on 2018-12-10 08:30:38 -0700; fixed by Mikulas Patocka on 2019-02-06 17:24:37 -0500 (lifetime: 58 days)