[tip:x86/asm] x86/asm: Make asm/alternative.h safe from assembly

[tip-bot for Andy Lutomirski]

Commit-ID:  f005f5d860e0231fe212cfda8c1a3148b99609f4
Gitweb:     http://git.kernel.org/tip/f005f5d860e0231fe212cfda8c1a3148b99609f4
Author:     Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Tue, 26 Apr 2016 12:23:25 -0700
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 29 Apr 2016 11:56:41 +0200

x86/asm: Make asm/alternative.h safe from assembly

asm/alternative.h isn't directly useful from assembly, but it
shouldn't break the build.

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/e5b693fcef99fe6e80341c9e97a002fb23871e91.1461698311.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/alternative.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index be4496c..e77a644 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_ALTERNATIVE_H
 #define _ASM_X86_ALTERNATIVE_H
 
+#ifndef __ASSEMBLY__
+
 #include <linux/types.h>
 #include <linux/stddef.h>
 #include <linux/stringify.h>
@@ -232,4 +234,6 @@ static inline int alternatives_text_reserved(void *start, void *end)
  */
 #define ASM_NO_INPUT_CLOBBER(clbr...) "i" (0) : clbr
 
+#endif /* __ASSEMBLY__ */
+
 #endif /* _ASM_X86_ALTERNATIVE_H */