diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c
index ab31c34ba508c9186b8acbcd1521c9f7133e8006..84c1821819afb8fb3da3b09b8d429930bd1d4da3 100644
--- a/arch/x86/kernel/sev-es.c
+++ b/arch/x86/kernel/sev-es.c
@@ -225,7 +225,7 @@ static inline u64 sev_es_rd_ghcb_msr(void)
 	return __rdmsr(MSR_AMD64_SEV_ES_GHCB);
 }
 
-static inline void sev_es_wr_ghcb_msr(u64 val)
+static __always_inline void sev_es_wr_ghcb_msr(u64 val)
 {
 	u32 low, high;