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Diffstat (limited to 'runtime/uprobes/uprobes.h')
| -rw-r--r-- | runtime/uprobes/uprobes.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/runtime/uprobes/uprobes.h b/runtime/uprobes/uprobes.h index e8a06599..418518f8 100644 --- a/runtime/uprobes/uprobes.h +++ b/runtime/uprobes/uprobes.h @@ -157,6 +157,13 @@ struct uprobe_ssol_area { /* lock held while finding a free slot */ spinlock_t lock; + /* + * We currently use access_process_vm() to populate instruction + * slots. Calls must be serialized because access_process_vm() + * isn't thread-safe. + */ + struct mutex populate_mutex; + /* Next slot to steal */ int next_slot; |