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| author | Steven Rostedt (Google) <[email protected]> | 2023-12-13 22:54:03 +0000 |
|---|---|---|
| committer | Steven Rostedt (Google) <[email protected]> | 2023-12-15 13:54:26 +0000 |
| commit | 712292308af2265cd9b126aedfa987f10f452a33 (patch) | |
| tree | 55b808e8ff5016410211331a6acf1329198686bd /samples/ftrace/sample-trace-array.c | |
| parent | ring-buffer: Have rb_time_cmpxchg() set the msb counter too (diff) | |
| download | kernel-712292308af2265cd9b126aedfa987f10f452a33.tar.gz kernel-712292308af2265cd9b126aedfa987f10f452a33.zip | |
ring-buffer: Do not record in NMI if the arch does not support cmpxchg in NMI
As the ring buffer recording requires cmpxchg() to work, if the
architecture does not support cmpxchg in NMI, then do not do any recording
within an NMI.
Link: https://lore.kernel.org/linux-trace-kernel/[email protected]
Cc: Masami Hiramatsu <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
Diffstat (limited to 'samples/ftrace/sample-trace-array.c')
0 files changed, 0 insertions, 0 deletions