[PATCH 4.14 014/195] sched/rt: Up the root domain ref count when passing it around via IPIs

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (VMware) commit 364f56653708ba8bcdefd4f0da2a42904baa8eeb upstream. When issuing an IPI RT push, where an IPI is sent to each CPU that has more than one RT

[PATCH 4.14 014/195] sched/rt: Up the root domain ref count when passing it around via IPIs

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (VMware) commit 364f56653708ba8bcdefd4f0da2a42904baa8eeb upstream. When issuing an IPI RT push, where an IPI is sent to each CPU that has more than one RT task scheduled on it,