Re: I/O permissions for V86 tasks (Enhanced V86 Mode)?
Chris Wedgwood (chris@cybernet.co.nz)
Tue, 21 Jul 1998 15:21:09 +1200
On Sat, Jul 18, 1998 at 09:42:43PM +0100, Alan Cox wrote:
>
> It depends where you put things. Nothing stops the TSS and inode map
> being at the end of the task structure. So you allocate a new task
> structure of the desired size. The only problem there is Linus 8K hack
> and the fact a 16K block is really pushing things harder in the current
> mm problems. You have to do this in advance too - trying to swap the
> kernel stack of a task is not a sane proceedure.
I assume the IO perms bitmap has to be inside the TSS? (I don't know jack
about i386 vm structures and and so on).
-cw
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