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authorDominik Sliwa <dominik.sliwa@toradex.com>2019-03-04 12:01:54 +0100
committerDominik Sliwa <dominik.sliwa@toradex.com>2019-03-04 12:01:54 +0100
commit348fa3f6871f56a37dcd16c99ca98118c6d79a38 (patch)
tree6fcae7785bae4ffb838fd6549f7d01ba6abf0763 /backport-include/linux/lockdep.h
Backports v4.19.24
Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc against mainline kernel tag v4.19.24 Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'backport-include/linux/lockdep.h')
-rw-r--r--backport-include/linux/lockdep.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/backport-include/linux/lockdep.h b/backport-include/linux/lockdep.h
new file mode 100644
index 0000000..5a5d0d0
--- /dev/null
+++ b/backport-include/linux/lockdep.h
@@ -0,0 +1,17 @@
+#ifndef __BACKPORT_LINUX_LOCKDEP_H
+#define __BACKPORT_LINUX_LOCKDEP_H
+#include_next <linux/lockdep.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_LESS(3,9,0)
+#undef lockdep_assert_held
+#ifdef CONFIG_LOCKDEP
+#define lockdep_assert_held(l) do { \
+ WARN_ON(debug_locks && !lockdep_is_held(l)); \
+ } while (0)
+#else
+#define lockdep_assert_held(l) do { (void)(l); } while (0)
+#endif /* CONFIG_LOCKDEP */
+#endif /* LINUX_VERSION_IS_LESS(3,9,0) */
+
+#endif /* __BACKPORT_LINUX_LOCKDEP_H */