Mailing List Archive

ChangeSet 1.1408, 2005/04/30 16:20:55+01:00, kaf24@firebug.cl.cam.ac.uk

wrpt-disable.patch
Disable writable pagetables in FreeBSD for the time being.
Signed-off-by: Kip Macy <kmacy@fsmware.com>



xenpmap.h | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)


diff -Nru a/freebsd-5.3-xen-sparse/i386-xen/include/xenpmap.h b/freebsd-5.3-xen-sparse/i386-xen/include/xenpmap.h
--- a/freebsd-5.3-xen-sparse/i386-xen/include/xenpmap.h 2005-04-30 12:04:07 -04:00
+++ b/freebsd-5.3-xen-sparse/i386-xen/include/xenpmap.h 2005-04-30 12:04:07 -04:00
@@ -59,7 +59,9 @@
#define PMAP_DEC_REF_PAGE(a)
#endif

+#if 0
#define WRITABLE_PAGETABLES
+#endif
#define ALWAYS_SYNC 0

#ifdef PT_DEBUG
@@ -118,18 +120,18 @@

#define PT_SET_VA(_ptp,_npte,sync) do { \
PMAP_REF((_ptp), xpmap_ptom(_npte)); \
- xen_queue_pt_update((pt_entry_t *)vtomach(_ptp), \
+ xen_queue_pt_update(vtomach(_ptp), \
xpmap_ptom(_npte)); \
if (sync || ALWAYS_SYNC) xen_flush_queue(); \
} while (/*CONSTCOND*/0)
#define PT_SET_VA_MA(_ptp,_npte,sync) do { \
PMAP_REF((_ptp), (_npte)); \
- xen_queue_pt_update((pt_entry_t *)vtomach(_ptp), _npte);\
+ xen_queue_pt_update(vtomach(_ptp), _npte); \
if (sync || ALWAYS_SYNC) xen_flush_queue(); \
} while (/*CONSTCOND*/0)
#define PT_CLEAR_VA(_ptp, sync) do { \
PMAP_REF((pt_entry_t *)(_ptp), 0); \
- xen_queue_pt_update((pt_entry_t *)vtomach(_ptp), 0); \
+ xen_queue_pt_update(vtomach(_ptp), 0); \
if (sync || ALWAYS_SYNC) \
xen_flush_queue(); \
} while (/*CONSTCOND*/0)

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