Index: i386/i386/genassym.c
===================================================================
RCS file: /home/ncvs/src/sys/i386/i386/genassym.c,v
retrieving revision 1.152
diff -u -r1.152 genassym.c
--- i386/i386/genassym.c	26 Dec 2005 00:07:19 -0000	1.152
+++ i386/i386/genassym.c	28 Dec 2005 06:32:24 -0000
@@ -140,7 +140,6 @@
 ASSYM(PCB_SAVEFPU, offsetof(struct pcb, pcb_save));
 ASSYM(PCB_SAVEFPU_SIZE, sizeof(union savefpu));
 ASSYM(PCB_ONFAULT, offsetof(struct pcb, pcb_onfault));
-ASSYM(PCB_SWITCHOUT, offsetof(struct pcb, pcb_switchout));
 
 ASSYM(PCB_SIZE, sizeof(struct pcb));
 ASSYM(PCB_VM86CALL, PCB_VM86CALL);
Index: i386/i386/swtch.s
===================================================================
RCS file: /home/ncvs/src/sys/i386/i386/swtch.s,v
retrieving revision 1.150
diff -u -r1.150 swtch.s
--- i386/i386/swtch.s	26 Dec 2005 00:07:19 -0000	1.150
+++ i386/i386/swtch.s	28 Dec 2005 06:32:25 -0000
@@ -114,12 +114,6 @@
 	movl	%gs,PCB_GS(%edx)
 	pushfl					/* PSL */
 	popl	PCB_PSL(%edx)
-	/* Check to see if we need to call a switchout function. */
-	movl	PCB_SWITCHOUT(%edx),%eax
-	cmpl	$0, %eax
-	je	1f
-	call	*%eax
-1:
 	/* Test if debug registers should be saved. */
 	testl	$PCB_DBREGS,PCB_FLAGS(%edx)
 	jz      1f                              /* no, skip over */
Index: i386/include/pcb.h
===================================================================
RCS file: /home/ncvs/src/sys/i386/include/pcb.h,v
retrieving revision 1.55
diff -u -r1.55 pcb.h
--- i386/include/pcb.h	14 Apr 2005 04:13:27 -0000	1.55
+++ i386/include/pcb.h	28 Dec 2005 06:32:25 -0000
@@ -74,7 +74,6 @@
 	struct segment_descriptor pcb_gsd;
 	struct	pcb_ext	*pcb_ext;	/* optional pcb extension */
 	int	pcb_psl;	/* process status long */
-	void	(*pcb_switchout)(void);	/* Special switchout function. */
 	u_long	pcb_vm86[2];	/* vm86bios scratch space */
 };