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¸®´ª½º¿¡ ´ëÇÑ Áú¹®ÀÔ´Ï´Ù. °í¼ö´Ôµé µµ¿ÍÁÖ¼¼¿ä |
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¸®´ª½º¸¦ ¹æ±Ý ¸·½ÃÀÛÇß½À´Ï´Ù. make¸¦ »ç¿ëÇؼ ¸ðµâÀ» Á¦ÀÛÇß½À´Ï´Ù. insmod¸¦ ÀÌ¿ëÇØ ½ÇÇàÀ» Çߴµ¥
¿À·ù°¡ ³ª¿É´Ï´Ù.
insmod: error inserting 'sdummy.ko': -1 Operation not permitted
¶ó°í ¶ß´Âµ¥¿ä ¿Ö±×·±Áö À߸𸣰ھî¿ä
sudo insmod sdummy.ko ¶ó°í ÇÏ¸é µÈ´Ù°í ´©°¡ ±×·¡¼ Çغ¸¾Ò´Âµ¥
insmod: error inserting 'sdummy.ko': -1 File exists
¶ó°í ¶å´Ï´Ù.
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
int sdummy_init(void)
{
printk("<1>Hello\n");
return 0;
}
void sdummy_exit(void)
{
printk("<1>Goodbye\n");
}
module_init(sdummy_init);
module_exit(sdummy_exit);
¶ó°í sdummy.c ¸¦ ¸¸µé¾ú°í¿ä.
Makefile À»
obj-m += sdummy.o
¶ó°í ¸¸µé¾ú¾î¿ä.
±×ÈÄ make -C/usr/src/linux-headers-2.6.24-24-generic/ M=`pwd` modules
¶ó°í ÀÔ·ÂÇؼ
make: Entering directory `/usr/src/linux-headers-2.6.24-24-generic'
Building modules, stage 2.
MODPOST 1 modules
make: Leaving directory `/usr/src/linux-headers-2.6.24-24-generic'
°á°ú¸¦ ¾òÀºµÚ insmod ¸¦Çߴµ¥ ¾ÈµÅ³×¿ä rmmod ¿ª½Ã ¸¶Âù°¡Áö°í¿ä
ERROR: Removing 'sdummy': Operation not permitted
¶ó°í ¶å´Ï´Ù.
¸ðµâÀÌ /proc/modules¿¡ ¾ø¾î¼ ±×·±°Ç°¡¿ä? ¸¸¾à ±×·¸´Ù¸é ¾î¶»°Ô ÇؾßÇϳª¿ä?
µµ¿ÍÁÖ¼¼¿ä ¤Ð¤Ð
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