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From: John Baldwin <jhb@FreeBSD.org>
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Subject: PERFORCE change 184933 for review
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http://p4web.freebsd.org/@@184933?ac=10

Change 184933 by jhb@jhb_jhbbsd on 2010/10/20 14:24:16

	Drop these local changes.  alc@ committed an alternate fix.

Affected files ...

.. //depot/projects/smpng/sys/i386/i386/vm86.c#25 edit
.. //depot/projects/smpng/sys/i386/include/pmap.h#52 edit

Differences ...

==== //depot/projects/smpng/sys/i386/i386/vm86.c#25 (text+ko) ====

@@ -592,7 +592,7 @@
 
 	mtx_lock(&vm86_lock);
 	for (i = 0; i < vmc->npages; i++) {
-		page = pmap_kextract_early(vmc->pmap[i].kva & PG_FRAME);
+		page = vtophys(vmc->pmap[i].kva & PG_FRAME);
 		entry = vmc->pmap[i].pte_num; 
 		vmc->pmap[i].old_pte = pte[entry];
 		pte[entry] = page | PG_V | PG_RW | PG_U;

==== //depot/projects/smpng/sys/i386/include/pmap.h#52 (text+ko) ====

@@ -302,29 +302,6 @@
 	return (pa);
 }
 
-/*
- * A version of pmap_kextract() that is safe to call before
- * pmap_bootstrap().  This is used in vm86_datacall().  If
- * pmap_bootstrap() has not been called, then KPTmap is not yet
- * initialized, so fall back to using vtopte() instead.
- */
-static __inline vm_paddr_t
-pmap_kextract_early(vm_offset_t va)
-{
-	vm_paddr_t pa;
-
-	if ((pa = PTD[va >> PDRSHIFT]) & PG_PS) {
-		pa = (pa & PG_PS_FRAME) | (va & PDRMASK);
-	} else {
-		if (KPTmap == NULL)
-			pa = *vtopte(va);
-		else
-			pa = KPTmap[i386_btop(va)];
-		pa = (pa & PG_FRAME) | (va & PAGE_MASK);
-	}
-	return (pa);
-}
-
 #define PT_UPDATES_FLUSH()
 #endif