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authorPaul Mackerras <paulus@samba.org>2005-09-25 22:51:50 +1000
committerPaul Mackerras <paulus@samba.org>2005-09-25 22:51:50 +1000
commite5baa396af7560382d2cf3f0871d616b61fc284c (patch)
tree6afc166894b8c8b3b2cf6add72a726be14ae2443 /include/linux/byteorder/generic.h
parentd6a4c847e43c851cc0ddf73087a730227223f989 (diff)
parentef6bd6eb90ad72ee8ee7ba8b271f27102e9a90c1 (diff)
Merge from Linus' tree.
Diffstat (limited to 'include/linux/byteorder/generic.h')
-rw-r--r--include/linux/byteorder/generic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index 5fde6f4d6c1e..04bd756efc67 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -5,6 +5,10 @@
* linux/byteorder_generic.h
* Generic Byte-reordering support
*
+ * The "... p" macros, like le64_to_cpup, can be used with pointers
+ * to unaligned data, but there will be a performance penalty on
+ * some architectures. Use get_unaligned for unaligned data.
+ *
* Francois-Rene Rideau <fare@tunes.org> 19970707
* gathered all the good ideas from all asm-foo/byteorder.h into one file,
* cleaned them up.