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

Lee Revell
2005-11-15T02:14:11Z

On Mon, 2005-11-14 at 19:02 -0600, Robert Hancock wrote:
> Giridhar Pemmasani wrote:
> > Shouldn't I have to prevent scheduler from changing the tasks when executing
> > Windows code? Otherwise, kernel gets wrong current thread information,
> > which is based on stack pointer. This is the stumbling block for implementing
> > private stacks.
>
> As long as preemption is disabled when the driver code is executing

Um, but it's really really bad for drivers to do that.

Lee