[Bug kprobes/2945] cannot probe vgettimeofday on x86_64
jkenisto at us dot ibm dot com
sourceware-bugzilla@sourceware.org
Thu Nov 16 20:15:00 GMT 2006
------- Additional Comments From jkenisto at us dot ibm dot com 2006-11-16 18:07 -------
Further thoughts:
- vdso, not vtoc. (Haste and advanced age are a bad combo. :-})
- 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.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=2945
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