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authorOlof Johansson <[email protected]>2014-07-19 14:59:07 -0700
committerOlof Johansson <[email protected]>2014-07-19 14:59:07 -0700
commit4e9816d012dbc28dc89559261c6ffbf8ffc440dd (patch)
treedee9f8b31f3d6d2fb141541da88e1cc1329b017e /include/asm-generic/unaligned.h
parentda98f44f27d81d7fe9a41f69af4fe08c18d13b56 (diff)
parent1795cd9b3a91d4b5473c97f491d63892442212ab (diff)
Merge tag 'v3.16-rc5' into next/fixes-non-critical
Linux 3.16-rc5
Diffstat (limited to 'include/asm-generic/unaligned.h')
-rw-r--r--include/asm-generic/unaligned.h21
1 files changed, 13 insertions, 8 deletions
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
index 03cf5936bad6..1ac097279db1 100644
--- a/include/asm-generic/unaligned.h
+++ b/include/asm-generic/unaligned.h
@@ -4,22 +4,27 @@
/*
* This is the most generic implementation of unaligned accesses
* and should work almost anywhere.
- *
- * If an architecture can handle unaligned accesses in hardware,
- * it may want to use the linux/unaligned/access_ok.h implementation
- * instead.
*/
#include <asm/byteorder.h>
+/* Set by the arch if it can handle unaligned accesses in hardware. */
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+# include <linux/unaligned/access_ok.h>
+#endif
+
#if defined(__LITTLE_ENDIAN)
-# include <linux/unaligned/le_struct.h>
-# include <linux/unaligned/be_byteshift.h>
+# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+# include <linux/unaligned/le_struct.h>
+# include <linux/unaligned/be_byteshift.h>
+# endif
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_le
# define put_unaligned __put_unaligned_le
#elif defined(__BIG_ENDIAN)
-# include <linux/unaligned/be_struct.h>
-# include <linux/unaligned/le_byteshift.h>
+# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+# include <linux/unaligned/be_struct.h>
+# include <linux/unaligned/le_byteshift.h>
+# endif
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_be
# define put_unaligned __put_unaligned_be