Compiling kernel modules
$ make M=/home/liyongjun/project/c/linux-4.4.1/net/mac80211/ modules
Installation error
$ sudo insmod net/mac80211/mac80211.ko
insmod: ERROR: could not insert module net/mac80211/mac80211.ko: Invalid module format
dmesg
$ dmesg
...
[ 3187.509374] mac80211: no symbol version for module_layout
Solution:
Add the -C /lib/modules/`uname -r`/build option
$ make -C /lib/modules/`uname -r`/build M=/home/liyongjun/project/c/linux-4.4.1/net/mac80211/ modules
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