diff --git a/qemu/target/sparc/win_helper.c b/qemu/target/sparc/win_helper.c
index de7096c2..8fffde8c 100644
--- a/qemu/target/sparc/win_helper.c
+++ b/qemu/target/sparc/win_helper.c
@@ -71,7 +71,6 @@ void cpu_put_psr_raw(CPUSPARCState *env, target_ulong val)
 #if !defined(TARGET_SPARC64)
     env->psref = (val & PSR_EF) ? 1 : 0;
     env->psrpil = (val & PSR_PIL) >> 8;
-
     env->psrs = (val & PSR_S) ? 1 : 0;
     env->psrps = (val & PSR_PS) ? 1 : 0;
     env->psret = (val & PSR_ET) ? 1 : 0;
@@ -82,6 +81,7 @@ void cpu_put_psr_raw(CPUSPARCState *env, target_ulong val)
 #endif
 }
 
+/* Called with BQL held */
 void cpu_put_psr(CPUSPARCState *env, target_ulong val)
 {
     cpu_put_psr_raw(env, val);