1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index efc3b22d896e..8118e94d50ab 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -91,7 +91,7 @@ static inline void native_apic_mem_write(u32 reg, u32 v)
 {
         volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg);
 
-        alternative_io("movl %0, %1", "xchgl %0, %1", X86_BUG_11AP,
+        alternative_io("movl %0, %P1", "xchgl %0, %P1", X86_BUG_11AP,
                        ASM_OUTPUT2("=r" (v), "=m" (*addr)),
                        ASM_OUTPUT2("0" (v), "m" (*addr)));
 }