[lkml]   [2005]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 19/21] i386 Kprobes semaphore fix
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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-11-09 14:41    [W:0.057 / U:4.992 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site