Re: Accessing data structure from kernel space

From: Bodo Eggert
Date: Wed Mar 30 2005 - 08:50:06 EST


linux lover <linux_lover2004@xxxxxxxxx> wrote:

> I successfully added linked list data structure
> in kernel in header file. Write a C source file and
> add it to kernel directory. then write 2 system calls
> that read and write to linked list from user space
> through that syscalls.
> recompile kernel. Now able to read/write that
> linked list.
> I want to write user data in that linked list
> and allow kernel to use that info in linked list. Is
> my approach to send data from user to kernel and
> store there as long as OS is not rebooted is right?

- A linked list is bad for random access to large amounts of data.
Why is a linked list suitable for your data?
- Did you think about SMP races?
- Why does it need to be in the kernel? Could a daemon do the job?
- to be continued
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/