Re: tagging freebios2 tree

Li-Ta Lo  writes:
> On Tue, 2004-08-24 at 19:07, Eric W. Biederman wrote:
> > No quite I put the cpu_info structure at the bottom of the stack,
> > and this function looks it up.
> >
> > The same idea has been used in the kernel for quite a while.
> >
> > Basically this allows me to preallocate some per cpu information
> > and to pass that into cpu_initialize from another cpu.
> >
> > The linux kernel has been doing something similar for quite a while.
>
> Does cpu_info() return different value depends on which CPU it is 
> running ?

Yes.  The stack is per cpu and it returns a fixed address from
the stack structure.
> Are the data structures per CPU or shared between CPUs ?

per-cpu.  Which is the point.

Eric