2 files changed, 5 insertions, 4 deletions

diff --git a/include/asm-i386/linkage.h b/include/asm-i386/linkage.h
index af3d8571c5..f4a6ebac02 100644
--- a/include/asm-i386/linkage.h
+++ b/include/asm-i386/linkage.h
@@ -5,9 +5,7 @@
 #define FASTCALL(x)     x __attribute__((regparm(3)))
 #define fastcall        __attribute__((regparm(3)))
 
-#ifdef CONFIG_REGPARM
-# define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
-#endif
+#define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
 
 #ifdef CONFIG_X86_ALIGNMENT_16
 #define __ALIGN .align 16,0x90
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index aefe6d051a..d5a55bdb9c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -25,6 +25,8 @@
 #ifndef _LINUX_ACPI_H
 #define _LINUX_ACPI_H
 
+#ifdef  CONFIG_ACPI
+
 #ifndef _LINUX
 #define _LINUX
 #endif
@@ -533,4 +535,5 @@ static inline int acpi_get_pxm(acpi_handle handle)
 
 extern int pnpacpi_disabled;
 
-#endif /*_LINUX_ACPI_H*/
+#endif  /* CONFIG_ACPI */
+#endif  /*_LINUX_ACPI_H*/