Disable interrupts in SVC-mode functions, fix misplaced waithax_cleanup.
Disable interrupts in SVC-mode functions, fix misplaced waithax_cleanup.

Jerry-Shaw/FBI,Jerry-Shaw/FBI,Jerry-Shaw/FBI,Traiver/FBI,leo60228/CTRM,Traiver/FBI,Jerry-Shaw/FBI,leo60228/CTRM,Traiver/FBI,leo60228/CTRM