[PATCH v2 2/2] tools headers: Update the vdso/unaligned.h copy with the kernel sources

[Ian Rogers]

To pick up the changes in:

  vdso: Add VDSO_UNALIGNED_PACKED config option

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/include/vdso/unaligned.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/include/vdso/unaligned.h b/tools/include/vdso/unaligned.h
index 9076483c9fbb..726fd15efc82 100644
--- a/tools/include/vdso/unaligned.h
+++ b/tools/include/vdso/unaligned.h
@@ -4,6 +4,20 @@
 
 #include <linux/compiler_types.h>
 
+#ifdef CONFIG_VDSO_UNALIGNED_PACKED
+
+#define __get_unaligned_t(type, ptr) ({							\
+	const struct { type x; } __packed * __get_pptr = (typeof(__get_pptr))(ptr);	\
+	__get_pptr->x;									\
+})
+
+#define __put_unaligned_t(type, val, ptr) do {						\
+	struct { type x; } __packed * __put_pptr = (typeof(__put_pptr))(ptr);		\
+	__put_pptr->x = (val);								\
+} while (0)
+
+#else /* !CONFIG_VDSO_UNALIGNED_PACKED */
+
 /**
  * __get_unaligned_t - read an unaligned value from memory.
  * @type:	the type to load from the pointer.
@@ -41,4 +55,6 @@
 			 sizeof(__put_unaligned_val));			\
 } while (0)
 
+#endif /* CONFIG_VDSO_UNALIGNED_PACKED */
+
 #endif /* __VDSO_UNALIGNED_H */
-- 
2.56.0.212.g129ede20d9-goog