inlining: do not allow gcc below version 4 to optimize inlining

fix the condition to match intention: always use the old inlining
behavior on all gcc versions below 4.

this should solve the UML build problem.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>


---
yaml
---
svn_rev: 95345
current_ref: refs/heads/rpi-3.18.7-rt2
current_commit: ae3a006
head_branch: refs/heads/rpi-3.18.7-rt2
migrated_from: v3

Author: Ingo Molnar

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/rpi-3.18.7-rt2: 53809d7eaef9503eb2589babdaba5ef0b661bb14
+refs/heads/rpi-3.18.7-rt2: ae3a0064e6d69068b1c9fd075095da062430bda9

trunk/include/linux/compiler-gcc.h

@@ -29,10 +29,11 @@
   BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
 
 /*
- * Force always-inline if the user requests it so via the .config:
+ * Force always-inline if the user requests it so via the .config,
+ * or if gcc is too old:
  */
 #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \
-    !defined(CONFIG_OPTIMIZE_INLINING) && (__GNUC__ >= 4)
+    !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
 # define inline		inline		__attribute__((always_inline))
 # define __inline__	__inline__	__attribute__((always_inline))
 # define __inline	__inline	__attribute__((always_inline))