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authorDave Airlie <airlied@redhat.com>2017-07-27 01:15:43 +0300
committerDave Airlie <airlied@redhat.com>2017-07-27 01:15:43 +0300
commit0eb2c0ae578ba00f97c7541e01abbce022d14909 (patch)
tree172db28b9232906ddac61b4bf20c4b0c60c85139 /include/linux/compiler-gcc.h
parent542aefb5a2da8f67b8fb74a24f60ecb3ec479a06 (diff)
parent520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff)
downloadlinux-0eb2c0ae578ba00f97c7541e01abbce022d14909.tar.xz
Backmerge tag 'v4.13-rc2' into drm-next
Linux 4.13-rc2 This is required for drm-misc fixing.
Diffstat (limited to 'include/linux/compiler-gcc.h')
-rw-r--r--include/linux/compiler-gcc.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index cd4bbe8242bd..bdb80c4aef6e 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -235,6 +235,7 @@
#endif /* GCC_VERSION >= 40500 */
#if GCC_VERSION >= 40600
+
/*
* When used with Link Time Optimization, gcc can optimize away C functions or
* variables which are referenced only from assembly code. __visible tells the
@@ -242,7 +243,17 @@
* this.
*/
#define __visible __attribute__((externally_visible))
-#endif
+
+/*
+ * RANDSTRUCT_PLUGIN wants to use an anonymous struct, but it is only
+ * possible since GCC 4.6. To provide as much build testing coverage
+ * as possible, this is used for all GCC 4.6+ builds, and not just on
+ * RANDSTRUCT_PLUGIN builds.
+ */
+#define randomized_struct_fields_start struct {
+#define randomized_struct_fields_end } __randomize_layout;
+
+#endif /* GCC_VERSION >= 40600 */
#if GCC_VERSION >= 40900 && !defined(__CHECKER__)