Author: cperciva
Date: Thu Jan 6 13:02:29 2011
New Revision: 217051
URL: http://svn.freebsd.org/changeset/base/217051
Log:
MFC r216703: Make i386/XEN not panic when mlock(2) is used.
Modified:
stable/8/sys/i386/xen/pmap.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/i386/xen/pmap.c
==============================================================================
--- stable/8/sys/i386/xen/pmap.c Thu Jan 6 12:34:18 2011
(r217050)
+++ stable/8/sys/i386/xen/pmap.c Thu Jan 6 13:02:29 2011
(r217051)
@@ -1070,7 +1070,9 @@ pmap_pte_release(pt_entry_t *pte)
if ((pt_entry_t *)((vm_offset_t)pte & ~PAGE_MASK) == PADDR2) {
CTR1(KTR_PMAP, "pmap_pte_release: pte=0x%jx",
*PMAP2);
+ vm_page_lock_queues();
PT_SET_VA(PMAP2, 0, TRUE);
+ vm_page_unlock_queues();
mtx_unlock(&PMAP2mutex);
}
}
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