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| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-11-05 21:32:37 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-11-06 08:33:23 -0500 |
| commit | 6e4eb9cb22fc8a893cb708ed42644de5ee7c3827 (patch) | |
| tree | 5aa13b98aa6b7659a8c711eac36cc1180656f424 /kernel/livepatch/patch.c | |
| parent | 0264c8c9e1b53e9dbb41fae5e54756e84644bc60 (diff) | |
ftrace: Add ftrace_test_recursion_trylock() helper function
To make it easier for ftrace callbacks to have recursion protection, provide
a ftrace_test_recursion_trylock() and ftrace_test_recursion_unlock() helper
that tests for recursion.
Link: https://lkml.kernel.org/r/20201028115612.634927593@goodmis.org
Link: https://lkml.kernel.org/r/20201106023546.378584067@goodmis.org
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/livepatch/patch.c')
0 files changed, 0 insertions, 0 deletions