On Tuesday 08 November 2005 14:36, Zachary Amsden wrote: > One can imagine clever uses for ptrace to do, say user space > virtualization (since I'm on the topic), or other neat things. So there > is nothing really wrong about having the fully correct EIP conversion > (and here we shouldn't need to worry about races causing some issues > with strict correctness, since there can be one external control thread). Well, the code still scaries me a bit, but ok. x86-64 left at least one case intentionally out. > But were kprobes even inteneded for userspace? There are races here > that are difficult to close without some heavy machinery, and I would > rather not put the machinery in place if simplifying the code is the > right answer. I believe user space kprobes are being worked on by some IBM India folks yes. -Andi
