Re: [2.6 patch] i386: always use 4k stacks

Benjamin LaHaise
2005-11-14T19:21:19Z

On Mon, Nov 14, 2005 at 08:00:07PM +0100, Olivier Galibert wrote:
> Couldn't ndiswrapper have its own private stack to switch to when
> calling the windows driver, or are there still things hanging off the
> end of the stack area?

It's possible, but would need a change to how the kernel finds the thread
local data (which is currently done by masking off the stack pointer).
There are certainly a few ways of doing this, like using tr to find out
which cpu we're on and then indexing into the thread info state.

-ben
--
"Time is what keeps everything from happening all at once." -- John Wheeler