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Don't take protection faults on I/O mappings.

This commit is contained in:
eeh 2000-09-11 22:37:34 +00:00
parent df698d172e
commit cb2350a90d
1 changed files with 4 additions and 3 deletions
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7
sys/arch/sparc64/sparc64/vm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.30 2000/08/01 00:36:05 eeh Exp $ */
/* $NetBSD: vm_machdep.c,v 1.31 2000/09/11 22:37:34 eeh Exp $ */
/*
* Copyright (c) 1996
@ -149,8 +149,9 @@ vmapbuf(bp, len)
panic("vmapbuf: null page frame");
/* Now map the page into kernel space. */
pmap_enter(pmap_kernel(), kva,
pa /* | PMAP_NC */,
VM_PROT_READ|VM_PROT_WRITE, PMAP_WIRED);
pa /* | PMAP_NC */,
VM_PROT_READ|VM_PROT_WRITE,
VM_PROT_READ|VM_PROT_WRITE|PMAP_WIRED);
uva += PAGE_SIZE;
kva += PAGE_SIZE;