---

yaml --- r: 204680 b: refs/heads/master c: f7136c5 h: refs/heads/master v: v3
git-mirror · Jun 22, 2010 · b023370 · b023370
1 parent 93f070d
commit b023370
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0016a4cf5582415849fafbf9f019dd9530824789
+refs/heads/master: f7136c5150c29846d7a1d09109449d96b2f63445
diff --git a/trunk/kernel/hw_breakpoint.c b/trunk/kernel/hw_breakpoint.c
@@ -241,6 +241,17 @@ toggle_bp_slot(struct perf_event *bp, bool enable, enum bp_type_idx type,
 		per_cpu(nr_cpu_bp_pinned[type], bp->cpu) -= weight;
 }
 
+/*
+ * Function to perform processor-specific cleanup during unregistration
+ */
+__weak void arch_unregister_hw_breakpoint(struct perf_event *bp)
+{
+	/*
+	 * A weak stub function here for those archs that don't define
+	 * it inside arch/.../kernel/hw_breakpoint.c
+	 */
+}
+
 /*
  * Contraints to check before allowing this new breakpoint counter:
  *
@@ -339,6 +350,7 @@ void release_bp_slot(struct perf_event *bp)
 {
 	mutex_lock(&nr_bp_mutex);
 
+	arch_unregister_hw_breakpoint(bp);
 	__release_bp_slot(bp);
 
 	mutex_unlock(&nr_bp_mutex);