From b71aa5f5e9d7be338811828a8fefcf5bec52e894 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 2 Feb 2004 23:22:24 +0000
Subject: [PATCH] Set PCPU_GET(curpcb) for the BSP to thread0's pcb. 
 Otherwise, the boot CPU doesn't have a pcb until after it's first context
 switch.  This can cause secondary panics if a page fault happens during
 bootup.

---
 sys/i386/i386/machdep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/i386/i386/machdep.c b/sys/i386/i386/machdep.c
index 524e2261a345..bd5d7864a4d4 100644
--- a/sys/i386/i386/machdep.c
+++ b/sys/i386/i386/machdep.c
@@ -2010,6 +2010,7 @@ init386(first)
 	pcpu_init(pc, 0, sizeof(struct pcpu));
 	PCPU_SET(prvspace, pc);
 	PCPU_SET(curthread, &thread0);
+	PCPU_SET(curpcb, thread0.td_pcb);
 
 	/*
 	 * Initialize mutexes.