From: Bodo Eggert <7eggert@gmx.de>
Subject: Re: Accessing data structure from kernel space
To: linux lover <linux_lover2004@yahoo.com>, linux-kernel@vger.kernel.org
Reply-To: 7eggert@gmx.de
Date: Wed, 30 Mar 2005 14:27:13 +0200
References: <fa.kvq30up.1h3mr8j@ifi.uio.no>
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linux lover <linux_lover2004@yahoo.com> 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
-
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