700 	enum ctx_state prev_state = exception_enter();  in machine_check_exception()  local
743 	exception_exit(prev_state);  in machine_check_exception()
767 	enum ctx_state prev_state = exception_enter();  in unknown_exception()  local
774 	exception_exit(prev_state);  in unknown_exception()
779 	enum ctx_state prev_state = exception_enter();  in instruction_breakpoint_exception()  local
789 	exception_exit(prev_state);  in instruction_breakpoint_exception()
799 	enum ctx_state prev_state = exception_enter();  in single_step_exception()  local
812 	exception_exit(prev_state);  in single_step_exception()
1137 	enum ctx_state prev_state = exception_enter();  in program_check_exception()  local
1245 	exception_exit(prev_state);  in program_check_exception()
1260 	enum ctx_state prev_state = exception_enter();  in alignment_exception()  local
1294 	exception_exit(prev_state);  in alignment_exception()
1323 	enum ctx_state prev_state = exception_enter();  in kernel_fp_unavailable_exception()  local
1329 	exception_exit(prev_state);  in kernel_fp_unavailable_exception()
1334 	enum ctx_state prev_state = exception_enter();  in altivec_unavailable_exception()  local
1348 	exception_exit(prev_state);  in altivec_unavailable_exception()