Re: [RFC] Migrating net/sched to new module interface

[Roman Zippel]

Hi,

On Fri, 14 Feb 2003, Werner Almesberger wrote:

> I though we were talking about
> 
> 	static data_used_by_callbacks;
> 	...
> 	register_foo(&stuff_with_callbacks);
> 	...
> 	unregister_foo(&stuff_with_callbacks);
> 	make_unusable(&data_used_by_callbacks)
> 	...
> 	/* oops, we just got a callback */
> 
> ("data_used_by_callbacks" could be a pointer to kmalloc'ed
> memory, etc.)
> 
> This kind of problem seems to be understood well enough.

Yes, and now compare how the solutions differ when the data is static and 
when it's allocated.

bye, Roman