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| author | Thomas Gleixner <[email protected]> | 2017-05-24 10:15:38 +0200 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2017-05-26 10:10:46 +0200 |
| commit | 9489cc8f370be811f7e741a772bcce88b712272d (patch) | |
| tree | 83430d550a65809411d03679afc70c3b3c0deaef /tools/perf/scripts/python/check-perf-trace.py | |
| parent | c23a465625e287c4deba0fdf5e8adc59cfd2a0b7 (diff) | |
arm: Prevent hotplug rwsem recursion
The text patching functions which are invoked from jump_label and kprobes
code are protected against cpu hotplug at the call sites.
Use stop_machine_cpuslocked() to avoid recursion on the cpu hotplug
rwsem. stop_machine_cpuslocked() contains a lockdep assertion to catch any
unprotected callers.
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sebastian Siewior <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Russell King <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions