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Copy md_flags during fork.

This commit is contained in:
mycroft 1995-12-26 16:59:47 +00:00
parent a44b6c74de
commit 883fb8f0ca
1 changed files with 6 additions and 6 deletions
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12
sys/arch/i386/i386/vm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.56 1995/12/24 01:07:32 mycroft Exp $ */
/* $NetBSD: vm_machdep.c,v 1.57 1995/12/26 16:59:47 mycroft Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
@ -99,21 +99,21 @@ cpu_fork(p1, p2)
npxsave();
#endif
p2->p_md.md_flags = p1->p_md.md_flags;
/* Sync curpcb (which is presumably p1's PCB) and copy it to p2. */
savectx(curpcb);
*pcb = p1->p_addr->u_pcb;
pmap_activate(&p2->p_vmspace->vm_pmap, pcb);
/*
* Preset these so that gdt_compact() doesn't get confused if called during
* the allocations below.
* Preset these so that gdt_compact() doesn't get confused if called
* during the allocations below.
*/
pcb->pcb_tss_sel = GSEL(GNULL_SEL, SEL_KPL);
pcb->pcb_ldt_sel = GSEL(GLDT_SEL, SEL_KPL);
/* Fix up the TSS, etc. */
pcb->pcb_cr0 |= CR0_TS;
/* Fix up the TSS. */
pcb->pcb_tss.tss_ss0 = GSEL(GDATA_SEL, SEL_KPL);
pcb->pcb_tss.tss_esp0 = (int)p2->p_addr + USPACE - 16;
tss_alloc(pcb);