diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index c2e322189f85..373aed0f1422 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -225,7 +225,7 @@ static inline void clwb(volatile void *__p)
 
 #define nop() asm volatile ("nop")
 
-static inline void serialize(void)
+static __always_inline void serialize(void)
 {
 	/* Instruction opcode for SERIALIZE; supported in binutils >= 2.35. */
 	asm volatile(".byte 0xf, 0x1, 0xe8" ::: "memory");