734 	enum ctx_state prev_state = exception_enter();  in unknown_exception()  local
741 	exception_exit(prev_state);  in unknown_exception()
746 	enum ctx_state prev_state = exception_enter();  in instruction_breakpoint_exception()  local
756 	exception_exit(prev_state);  in instruction_breakpoint_exception()
766 	enum ctx_state prev_state = exception_enter();  in single_step_exception()  local
782 	exception_exit(prev_state);  in single_step_exception()
1108 	enum ctx_state prev_state = exception_enter();  in program_check_exception()  local
1227 	exception_exit(prev_state);  in program_check_exception()
1244 	enum ctx_state prev_state = exception_enter();  in alignment_exception()  local
1278 	exception_exit(prev_state);  in alignment_exception()
1283 	enum ctx_state prev_state = exception_enter();  in slb_miss_bad_addr()  local
1290 	exception_exit(prev_state);  in slb_miss_bad_addr()
1312 	enum ctx_state prev_state = exception_enter();  in kernel_fp_unavailable_exception()  local
1318 	exception_exit(prev_state);  in kernel_fp_unavailable_exception()
1323 	enum ctx_state prev_state = exception_enter();  in altivec_unavailable_exception()  local
1337 	exception_exit(prev_state);  in altivec_unavailable_exception()