Arun Sharma
2005-Aug-31 22:24 UTC
[Xen-devel] [PATCH][VT] Use entry_get_paddr(l1e) to get the PFN
Use entry_get_paddr(l1e) to get the PFN
Otherwise software used bits might get in the way.
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
--- a/xen/include/asm-x86/shadow_64.h Wed Aug 31 14:53:43 2005
+++ b/xen/include/asm-x86/shadow_64.h Wed Aug 31 15:03:09 2005
@@ -450,7 +450,9 @@
/*
* If it''s not external mode, then mfn should be machine physical.
*/
- mfn = __gpfn_to_mfn(d, (entry_get_value(gle) >> PAGE_SHIFT));
+ mfn = __gpfn_to_mfn(d, (entry_get_paddr(gle) >> PAGE_SHIFT));
+ if (mfn == -1)
+ return 1;
lva = (pgentry_64_t *) phys_to_virt(
mfn << PAGE_SHIFT);
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel