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adjust critical section to only wrap around vm86_bioscall().

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This commit is contained in:
davidxu 2002-11-08 03:07:52 +00:00
parent dff8f5c919
commit 8274c76b58
1 changed files with 2 additions and 2 deletions
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4
sys/i386/i386/vm86.c
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@ -603,7 +603,6 @@ vm86_datacall(intnum, vmf, vmc)
int i, entry, retval;
mtx_lock(&vm86_lock);
critical_enter();
for (i = 0; i < vmc->npages; i++) {
page = vtophys(vmc->pmap[i].kva & PG_FRAME);
entry = vmc->pmap[i].pte_num;
@ -613,14 +612,15 @@ vm86_datacall(intnum, vmf, vmc)
}
vmf->vmf_trapno = intnum;
critical_enter();
retval = vm86_bioscall(vmf);
critical_exit();
for (i = 0; i < vmc->npages; i++) {
entry = vmc->pmap[i].pte_num;
pte[entry] = vmc->pmap[i].old_pte;
pmap_invalidate_page(kernel_pmap, vmc->pmap[i].kva);
}
critical_exit();
mtx_unlock(&vm86_lock);
return (retval);