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authorRusty Russell <rusty@rustcorp.com.au>2007-05-06 14:51:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:13:00 -0700
commitc5e631cf65f4d6875efcd571275436f2964a8b48 (patch)
tree1aee9d61560ee369b4a2f077a79e37ab868a4b2d /include/linux/compiler-intel.h
parentf34d9d2dcb7f17b64124841345b23adc0843e7a5 (diff)
ARRAY_SIZE: check for type
We can use a gcc extension to ensure that ARRAY_SIZE() is handed an array, not a pointer. This is especially important when code is changed from a fixed array to a pointer. I assume the Intel compiler doesn't support __builtin_types_compatible_p. [jdike@addtoit.com: uml: update UML definition of ARRAY_SIZE] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/compiler-intel.h')
-rw-r--r--include/linux/compiler-intel.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h
index a436eea4391..b769961e6f2 100644
--- a/include/linux/compiler-intel.h
+++ b/include/linux/compiler-intel.h
@@ -21,6 +21,9 @@
__ptr = (unsigned long) (ptr); \
(typeof(ptr)) (__ptr + (off)); })
+/* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
+#define __must_be_array(a) 0
+
#endif
#define uninitialized_var(x) x