mirror of
https://github.com/gatieme/LDD-LinuxDeviceDrivers.git
synced 2026-08-19 10:26:03 +08:00
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/printk.h>
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MODULE_LICENSE("Dual BSD/GPL");
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static void print_loglevel(void)
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{
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printk("console_loglevel = %d\n", console_loglevel);
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printk("default_message_loglevel = %d\n", default_message_loglevel);
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printk("minimum_console_loglevel = %d\n", minimum_console_loglevel);
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printk("default_console_loglevel = %d\n", default_console_loglevel);
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}
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static void print_loginfo(void)
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{
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printk(KERN_EMERG "EMERG = %s\n", KERN_EMERG);
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printk(KERN_ALERT "ALERT = %s\n", KERN_ALERT);
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printk(KERN_CRIT "CRIT = %s\n", KERN_CRIT);
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printk(KERN_ERR "ERR = %s\n", KERN_ERR);
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printk(KERN_WARNING "WARNING= %s\n", KERN_WARNING);
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printk(KERN_NOTICE "NOTICE = %s\n", KERN_NOTICE);
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printk(KERN_INFO "INFO = %s\n", KERN_INFO);
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printk(KERN_DEBUG "DEBUG = %s\n", KERN_DEBUG);
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}
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static int book_init(void)
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{
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printk("Book module init\n");
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//print_loglevel();
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print_loginfo();
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return 0;
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}
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static void book_exit(void)
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{
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printk(KERN_ALERT "Book module exit\n");
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}
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module_init(book_init);
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module_exit(book_exit);
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