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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2017-09-19 13:01:40 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-09-28 10:23:04 +0300 |
| commit | 5bb4fc2d8641219732eb2bb654206775a4219aca (patch) | |
| tree | 2f0d21e7d53e4394f81e30ebcecd5c4a5c86a68d /tools/perf/scripts/python/syscall-counts.py | |
| parent | 9a09f261a4fa52de916b0db34a36956c95f78fdc (diff) | |
| download | linux-5bb4fc2d8641219732eb2bb654206775a4219aca.tar.xz | |
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 <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/150581530024.32348.9863783558598926771.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions