>
> >>how can I make system_call_table address to writable so that one can
> change to >>customized system call.
>
>
> Like this:
unsigned int level;
pte_t *pte = lookup_address(sys_call_table, &level);
if(pte->pte &~ _PAGE_RW) pte->pte |= _PAGE_RW;
An awesome example of pretty much what you're trying to do can be found
here:
https://github.com/fpletz/kernelroll
Enjoy :D
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