Linux内核日志开关 1.让pr_debug能输出 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -59,7 +59,7 @@ /* We show everything that is MOREimportant than this.. */ #define MINIMUM_CONSOLE_LOGLEVEL 1 /*Minimum loglevel we let people use */ -#define DEFA