Re: context switch vs. signal delivery [was: Re: Accelerating user mode

Jeff Dike
2002-08-03T14:23:23Z

alan@redhat.com said:
> Which would argue UML ought to have a positively microkernel view of
> syscalls - sending a message ?

Indeed. Ingo's mail got me thinking that

alan@redhat.com said:
> the alternatives like a seperate process and ptrace are not pretty either

might not be so bad after all.

All I would need to make this work is for one process to be able to change
the mm of another.

Then, the current UML tracing thread would handle the kernel side of things
and sit in its own address space nicely protected from its processes.

Jeff