On Wed, 2008-03-19 at 17:56 +0100, Neal H. Walfield wrote: > At Wed, 19 Mar 2008 09:58:57 -0400, > Thomas Bushnell BSG wrote: > > And throwing a big wrinkle into all that is that many architectures do > > not make it *possible* for users to handle page faults. The processor > > dumps a load of crap on the stack, and the kernel must preserve it > > carefully and then return the fault. It is very hard to encapsulate > > that so that it can be stored and restored by users without keeping the > > whole stack around. > > L4 was ported to a large number of architectures; it can't be that > hard.
Sparc or i386? Or perhaps they are saving the stack frames... Thomas
