PERFORCE change 133451 for review
Kip Macy
kmacy at FreeBSD.org
Wed Jan 16 20:24:21 PST 2008
http://perforce.freebsd.org/chv.cgi?CH=133451
Change 133451 by kmacy at pandemonium:kmacy:xen31 on 2008/01/17 04:23:48
clear PMAP2 while holding the PMAP2mutex
Affected files ...
.. //depot/projects/xen31/sys/i386/xen/pmap.c#17 edit
Differences ...
==== //depot/projects/xen31/sys/i386/xen/pmap.c#17 (text+ko) ====
@@ -950,8 +950,10 @@
pmap_pte_release(pt_entry_t *pte)
{
- if ((pt_entry_t *)((vm_offset_t)pte & ~PAGE_MASK) == PADDR2)
+ if ((pt_entry_t *)((vm_offset_t)pte & ~PAGE_MASK) == PADDR2) {
+ *PMAP2 = 0;
mtx_unlock(&PMAP2mutex);
+ }
}
static __inline void
@@ -1034,9 +1036,6 @@
pte = pmap_pte(pmap, va);
rtval = (PT_GET(pte) & PG_FRAME) | (va & PAGE_MASK);
pmap_pte_release(pte);
-
- if (*PMAP2)
- *PMAP2 = 0;
}
PMAP_UNLOCK(pmap);
return (rtval);
@@ -1066,10 +1065,6 @@
pte = pmap_pte(pmap, va);
rtval = (*pte & PG_FRAME) | (va & PAGE_MASK);
pmap_pte_release(pte);
-#ifdef XEN
- if (*PMAP2)
- *PMAP2 = 0;
-#endif
}
PMAP_UNLOCK(pmap);
return (rtval);
@@ -2941,8 +2936,6 @@
*/
pmap_pte_set_w(pte, wired);
pmap_pte_release(pte);
- if (*PMAP2)
- *PMAP2 = 0;
PMAP_UNLOCK(pmap);
}
@@ -3444,8 +3437,6 @@
pmap_pte_release(pte);
}
PT_UPDATES_FLUSH();
- if (*PMAP2)
- *PMAP2 = 0;
}
void
@@ -3460,8 +3451,6 @@
pmap_pte_release(pte);
}
PT_UPDATES_FLUSH();
- if (*PMAP2)
- *PMAP2 = 0;
}
/*
@@ -3779,8 +3768,6 @@
pte = (ptep != NULL) ? PT_GET(ptep) : 0;
pmap_pte_release(ptep);
PMAP_UNLOCK(pmap);
- if (*PMAP2)
- *PMAP2 = 0;
if (pte != 0) {
vm_paddr_t pa;
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