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longpanda b32eda4262 Fix the VTOY_LINUX_REMOUNT option for new linux kernel in intel 11th(and later) gen CPU. 2023-03-26 10:45:19 +08:00
..
Makefile 1.0.64 release 2022-01-08 23:07:04 +08:00
Makefile_IBT Fix the VTOY_LINUX_REMOUNT option for new linux kernel in intel 11th(and later) gen CPU. 2023-03-26 10:45:19 +08:00
dmpatch.c Fix the VTOY_LINUX_REMOUNT option for new linux kernel in intel 11th(and later) gen CPU. 2023-03-26 10:45:19 +08:00
readme.txt VTOY_LINUX_REMOUNT support for both 64bit(x86_64) and 32bit(i386) linux distro. 2022-01-12 10:24:44 +08:00
ubuntu_build.sh Fix the VTOY_LINUX_REMOUNT option for new linux kernel in intel 11th(and later) gen CPU. 2023-03-26 10:45:19 +08:00

readme.txt

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1. install ubuntu 21.10
2. apt-get install build-essential flex libncurses-dev linux-headers-generic linux-source libssl-dev ...... and so on
3. cp /lib/modules/5.13.0-23-generic/build/Module.symvers ./
4. /boot/config-5.13.0-23-generic as .config   make oldconfig
5. make menuconfig 
    1. close CONFIG_STACKPROTECTOR
    2. close CONFIG_RETPOLINE

6. modify ./scripts/mod/modpost.c
    1. skip add_srcversion (just return)
    2. force add_retpoline (#ifdef --> #ifndef)
    3. force add_intree_flag

7. make modules_prepare LOCALVERSION=-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

8. Append padding at the end of struct module <include/linux/module.h>
struct module {
    enum module_state state;

	/* Member of list of modules */
	struct list_head list;

	/* Unique handle for this module */
	char name[MODULE_NAME_LEN];
    
    ....
    
    char padding[1024];
};

This is because struct module size is different in different kernel versions or with different CONFIG item.


9. make modules M=/home/dmpatch
10. strip --strip-debug /home/dmpatch/dm_patch.ko