[Bug kprobes/2945] cannot probe vgettimeofday on x86_64

fche at redhat dot com sourceware-bugzilla@sourceware.org
Fri Nov 17 01:44:00 GMT 2006


------- Additional Comments From fche at redhat dot com  2006-11-16 23:37 -------
(In reply to comment #3)
> [...]
> - Since a kprobed instruction is copied into a kernel-space buffer and
> single-stepped there, we do NOT want to allow kprobes on instructions that are
> executed in user mode, such as on the vdso page.

Good point.  We should leave vdso type probes to user-space probing.

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           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID


http://sourceware.org/bugzilla/show_bug.cgi?id=2945

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