diff options
| author | Masami Hiramatsu <[email protected]> | 2017-09-19 19:01:40 +0900 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-09-28 09:23:04 +0200 |
| commit | 5bb4fc2d8641219732eb2bb654206775a4219aca (patch) | |
| tree | 2f0d21e7d53e4394f81e30ebcecd5c4a5c86a68d /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 9a09f261a4fa52de916b0db34a36956c95f78fdc (diff) | |
kprobes/x86: Disable preemption in ftrace-based jprobes
Disable preemption in ftrace-based jprobe handlers as
described in Documentation/kprobes.txt:
"Probe handlers are run with preemption disabled."
This will fix jprobes behavior when CONFIG_PREEMPT=y.
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E . McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/150581530024.32348.9863783558598926771.stgit@devbox
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions