diff options
| author | Masami Hiramatsu <[email protected]> | 2019-02-13 01:14:37 +0900 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-02-13 08:16:40 +0100 |
| commit | a39f15b9644fac3f950f522c39e667c3af25c588 (patch) | |
| tree | cf7d2f958d62cae723b92904dfd2a6605cac6ef7 /tools/perf/scripts/python | |
| parent | 984640ce427fa67c7c1f8550ab53495733bd11fc (diff) | |
kprobes: Prohibit probing on RCU debug routine
Since kprobe itself depends on RCU, probing on RCU debug
routine can cause recursive breakpoint bugs.
Prohibit probing on RCU debug routines.
int3
->do_int3()
->ist_enter()
->RCU_LOCKDEP_WARN()
->debug_lockdep_rcu_enabled() -> int3
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andrea Righi <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/154998807741.31052.11229157537816341591.stgit@devbox
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions