[tip:x86/urgent] x86: Fix warning in pvclock.c

[tip-bot for Dave Jones <davej@redhat.com>]

Commit-ID:  2ad76643ff58bb8841f391ea8327c14abe273ea3
Gitweb:     http://git.kernel.org/tip/2ad76643ff58bb8841f391ea8327c14abe273ea3
Author:     Dave Jones <davej@redhat.com>
AuthorDate: Mon, 13 Jul 2009 16:14:37 -0400
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 14 Jul 2009 16:25:05 +0200

x86: Fix warning in pvclock.c

when building 32-bit, I see this ..
arch/x86/kernel/pvclock.c:63:7: warning: "__x86_64__" is not defined

Signed-off-by: Dave Jones <davej@redhat.com>
LKML-Reference: <20090713201437.GA12165@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>



---
 arch/x86/kernel/pvclock.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 4f9c55f..03801f2 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -60,7 +60,7 @@ static inline u64 scale_delta(u64 delta, u32 mul_frac, int shift)
 		"adc  %5,%%edx ; "
 		: "=A" (product), "=r" (tmp1), "=r" (tmp2)
 		: "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
-#elif __x86_64__
+#elif defined(__x86_64__)
 	__asm__ (
 		"mul %%rdx ; shrd $32,%%rdx,%%rax"
 		: "=a" (product) : "0" (delta), "d" ((u64)mul_frac) );