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SubjectRe: x86-64 documentation
On Tue, Jul 06, 2004 at 01:52:48PM +0200, R. J. Wysocki wrote:
> On Tuesday 06 of July 2004 13:31, Andi Kleen wrote:
> > On Tue, Jul 06, 2004 at 12:06:01PM +0200, R. J. Wysocki wrote:
> > > On Sunday 04 of July 2004 21:46, Andi Kleen wrote:
> > > > On Sun, Jul 04, 2004 at 08:46:20PM +0200, R. J. Wysocki wrote:
> > > > > I've just read the Documentation/x86_64/mm.txt. Is it up to date?
> > > >
> > > > Mostly yes.
> > >
> > > How about kernel stacks? Are they still 16k or they are 8k now?
> >
> > They were always 8k
>
> Hm. Does this mean that one register is reserved for the task_struct pointer
> etc. (as stated in mm.txt) or is it done in a different way?

GS points to a per CPU data structure and the current task is read from
that.

-Andi
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