diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2003-08-08 13:47:37 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2003-08-08 13:47:37 +0000 |
| commit | cafb4fa34369712ae3e9cbeb04c9f2ca5faa3ce2 (patch) | |
| tree | 344a009b6df2eb5c8445f1405948abb1b7da118f | |
| parent | 33e058968c132b5d9fe55baf8df88399d0a3b97b (diff) | |
Slightly clean up cpu_fork().
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/vm_machdep.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sys/arch/mvme88k/mvme88k/vm_machdep.c b/sys/arch/mvme88k/mvme88k/vm_machdep.c index ec64f9caf6c..72c459f3df7 100644 --- a/sys/arch/mvme88k/mvme88k/vm_machdep.c +++ b/sys/arch/mvme88k/mvme88k/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.52 2003/06/02 23:27:52 millert Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.53 2003/08/08 13:47:36 miod Exp $ */ /* * Copyright (c) 1998 Steve Murphree, Jr. @@ -101,22 +101,22 @@ cpu_fork(p1, p2, stack, stacksize, func, arg) extern void proc_trampoline(void); extern void save_u_area(struct proc *, vm_offset_t); -/* - savectx(p1->p_addr->u_pcb); -*/ - savectx(curpcb); + /* Copy pcb from p1 to p2. */ + if (p1 == curproc) { + /* Sync the PCB before we copy it. */ + savectx(curpcb); + } +#ifdef DIAGNOSTIC + else if (p1 != &proc0) + panic("cpu_fork: curproc"); +#endif - /* copy p1 pcb to p2 */ - bcopy((void *)&p1->p_addr->u_pcb, (void *)&p2->p_addr->u_pcb, sizeof(struct pcb)); - p2->p_addr->u_pcb.kernel_state.pcb_ipl = 0; - + bcopy(&p1->p_addr->u_pcb, &p2->p_addr->u_pcb, sizeof(struct pcb)); + p2->p_addr->u_pcb.kernel_state.pcb_ipl = IPL_NONE; /* XXX */ p2->p_md.md_tf = USER_REGS(p2); /*XXX these may not be necessary nivas */ save_u_area(p2, (vm_offset_t)p2->p_addr); -#ifdef notneeded - pmap_activate(p2); -#endif /* notneeded */ /* * Create a switch frame for proc 2 |