io_uring: remove unnecessary barrier before wq_has_sleeper [Linux 5.1]

This Linux kernel change "io_uring: remove unnecessary barrier before wq_has_sleeper" is included in the Linux 5.1 release. This change is authored by Stefan B├╝hler <source [at] stbuehler.de> on Wed Apr 24 23:54:17 2019 +0200. The commit for this change in Linux stable tree is 4f7067c (patch). io_uring: remove unnecessary barrier before wq_has_sleeper wq_has_sleeper has a […]