[parisc-linux] 64 userspace

Carlos O'Donell carlos@baldric.uwo.ca
Wed, 15 Jan 2003 13:54:38 -0500


> > 1) Kernel -- design and implement 64-bit system calls.
> 
> Another piece of the kernelside puzzle is designing the VM layout for
> 64-bit processes.  Do we want to (as ia64 does) reserve parts of the address
> space for the kernel?  Map shared libraries in different quadrants from
> the user process?  Keep data in yet another quadrant?
> 
> It's a lot of work, and I'm not sure the will is there to make it happen.
> 

We are swamped with a 32-bit userspace, and 32/64-bit kernel, creating a
full 64-bit userspace is extremely difficult. I'm currently trying to
workout the bits to get a static 64-bit Glibc, though currently fixing
the 32-bit Glibc we have is time consuming enough.

c.