This is a backport of:
commit e159489baa717dbae70f9903770a6a4990865887
Author: Tejun Heo <tj@xxxxxxxxxx>
Date: Sun Jan 9 23:32:15 2011 +0100
workqueue: relax lockdep annotation on flush_work()
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
include/linux/compat-2.6.38.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/linux/compat-2.6.38.h b/include/linux/compat-2.6.38.h
index 8dfeed6..e936c42 100644
--- a/include/linux/compat-2.6.38.h
+++ b/include/linux/compat-2.6.38.h
@@ -174,6 +174,24 @@ extern int __build_bug_on_failed;
} while(0)
#endif
+/* Backport of:
+ *
+ * commit e159489baa717dbae70f9903770a6a4990865887
+ * Author: Tejun Heo <tj@xxxxxxxxxx>
+ * Date: Sun Jan 9 23:32:15 2011 +0100
+ *
+ * workqueue: relax lockdep annotation on flush_work()
+ */
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+# define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 2, NULL, _THIS_IP_)
+# else
+# define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 1, NULL, _THIS_IP_)
+# endif
+#else
+# define lock_map_acquire_read(l) do { } while (0)
+#endif
+
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) */
#endif /* LINUX_26_38_COMPAT_H */
--
1.7.10.4
--
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