2010/6/18 wilbur.chan <wilbur512 at gmail.com>: > For example, a macro in serial driver 8250.c , SERIAL_PORT_DFNS ,I > can't find where it is implement. > > Is there any solutions to find a macro defination in code ? > > Thx Yes, use the lxr engine [1]. [1] http://lxr.linux.no