From 9d60278c0234623b98d6186120a6172e290f4ea1 Mon Sep 17 00:00:00 2001
From: Miod Vallat <miod@cvs.openbsd.org>
Date: Sun, 2 Feb 2014 22:49:39 +0000
Subject: Force an fpu context synchronization before halting secondary
 processors. Similar to what other platforms do.

---
 sys/arch/alpha/alpha/ipifuncs.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/arch/alpha/alpha/ipifuncs.c b/sys/arch/alpha/alpha/ipifuncs.c
index dd93f76f36a..84969d853da 100644
--- a/sys/arch/alpha/alpha/ipifuncs.c
+++ b/sys/arch/alpha/alpha/ipifuncs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ipifuncs.c,v 1.5 2014/02/01 21:19:02 miod Exp $	*/
+/* $OpenBSD: ipifuncs.c,v 1.6 2014/02/02 22:49:38 miod Exp $	*/
 /* $NetBSD: ipifuncs.c,v 1.9 1999/12/02 01:09:11 thorpej Exp $ */
 
 /*-
@@ -155,8 +155,9 @@ alpha_multicast_ipi(u_long cpumask, u_long ipimask)
 void
 alpha_ipi_halt(struct cpu_info *ci, struct trapframe *framep)
 {
-	/* Disable interrupts. */
-	(void) splhigh();
+	SCHED_ASSERT_UNLOCKED();
+	fpusave_cpu(ci, 1);
+	(void)splhigh();
 
 	cpu_halt();
 	/* NOTREACHED */
-- 
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