commit d9afaaa4ff7af8b87d4a205e48cb8a6f666d7f01
author Geert Uytterhoeven <geert@linux-m68k.org> Thu Feb 01 11:21:59 2018 +0100
committer Herbert Xu <herbert@gondor.apana.org.au> Thu Feb 08 22:37:10 2018 +1100
tree ed55f554712402edab6a4cf0bd52ec2ce0b0a46e
parent df5d45aa08f848b79caf395211b222790534ccc7

compiler-gcc.h: __nostackprotector needs gcc-4.4 and up

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

    warning: ‘__optimize__’ attribute directive ignored

Fixes: 7375ae3a0b79ea07 ("compiler-gcc.h: Introduce __nostackprotector function attribute")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/linux/compiler-gcc.h

diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 7bba8e2..bf09213 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