https://lwn.net/Articles/511421/
Making workqueues non-reentrant [LWN.net]
Workqueues are the primary mechanism for deferring work within the Linux kernel. The maintaine [...]
makingnonlwn
https://lkml.iu.edu/1403.1/03948.html
Linux-Kernel Archive: [PATCH 2/3] workqueues: Account unbound workqueue in a seperate list
https://lwn.net/Articles/348329/
Lazy workqueues v2 [LWN.net]
lazylwn