[PATCH 4.17 04/97] stop_machine: Disable preemption after queueing stopper threads

4.17-stable review patch. If anyone has any objections, please let me know. -- From: Isaac J. Manjarres commit 2610e88946632afb78aa58e61f11368ac4c0af7b upstream. This commit: 9fb8d5dc4b64 ("stop_machine, Disable preemption when waking two stopper threads") does not fully

[PATCH 4.17 04/97] stop_machine: Disable preemption after queueing stopper threads

4.17-stable review patch. If anyone has any objections, please let me know. -- From: Isaac J. Manjarres commit 2610e88946632afb78aa58e61f11368ac4c0af7b upstream. This commit: 9fb8d5dc4b64 ("stop_machine, Disable preemption when waking two stopper threads") does not fully