From b7c8cbabf9d616c4ecb1d20e0f52541efcfdd61f Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Sat, 13 Apr 2002 23:37:10 +0000
Subject: [PATCH] Add comment that sigreturn() is MPSAFE.

---
 sys/alpha/alpha/machdep.c | 3 +++
 sys/ia64/ia64/machdep.c   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 0d55ec3d820..8bfd159ae52 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -1476,6 +1476,9 @@ osigreturn(struct thread *td,
 #endif /* COMPAT_43 */
 }
 
+/*
+ * MPSAFE
+ */
 int
 sigreturn(struct thread *td,
 	struct sigreturn_args /* {
diff --git a/sys/ia64/ia64/machdep.c b/sys/ia64/ia64/machdep.c
index 4d5da049b9d..dc046bd930d 100644
--- a/sys/ia64/ia64/machdep.c
+++ b/sys/ia64/ia64/machdep.c
@@ -957,6 +957,8 @@ osigreturn(struct thread *td, struct osigreturn_args *uap)
  * context left by sendsig. Check carefully to
  * make sure that the user has not modified the
  * state to gain improper privileges.
+ *
+ * MPSAFE
  */
 int
 sigreturn(struct thread *td,