On Mon, 29 Jun 2009, Mulyadi Santosa wrote:
> In kernel/module.c, I see function which is declared like this:
> SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
> unsigned int, flags)
>
> and few lines below that, you'll see:
> /* If it has an init func, it must have an exit func to unload */
> if (mod->init && !mod->exit) {
> forced = try_force_unload(flags);
> if (!forced) {
> /* This module can't be removed */
> ret = -EBUSY;
> goto out;
> }
> }
>
> let's assume the code doesn't reach "goto out". Then few lines below
> that we shall see a call to free_module(). Brief check of the code
> inside that function (theoritically) convince me that you can wipe
> your "permanent" module.
yup, i'm convinced, thanks. more questions shortly.
rday
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Robert P. J. Day Waterloo, Ontario, CANADA
Linux Consulting, Training and Annoying Kernel Pedantry.
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