[PATCH 2/3] compiler-gcc.h: __nostackprotector needs gcc-4.4 and up

[Geert Uytterhoeven]

Gcc versions before 4.4 do not recognize the __optimize__ compiler
attribute:

    warning: â__optimize__â attribute directive ignored

Fixes: 7375ae3a0b79ea07 ("compiler-gcc.h: Introduce __nostackprotector function attribute")
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
Can anyone please verify this?
Apparently __nostackprotector is used on x86 only, which is usually
served by modern compilers.
---
 include/linux/compiler-gcc.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 0a278a527944ad2f..73bc63e0a1c4b664 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -167,8 +167,6 @@
 
 #if GCC_VERSION >= 40100
 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
-
-#define __nostackprotector	__attribute__((__optimize__("no-stack-protector")))
 #endif
 
 #if GCC_VERSION >= 40300
@@ -198,6 +196,7 @@
 
 #if GCC_VERSION >= 40400
 #define __optimize(level)	__attribute__((__optimize__(level)))
+#define __nostackprotector	__optimize("no-stack-protector")
 #endif /* GCC_VERSION >= 40400 */
 
 #if GCC_VERSION >= 40500
-- 
2.7.4