From: Wei Liu <wei.liu2@citrix.com>
Date: Fri, 1 Feb 2019 12:43:25 +0000 (+0000)
Subject: xxx map_pages_to_xen
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=1f930e3e16bad2134f0bc3b91c95fcbcc8bef8f5;p=people%2Fliuw%2Fxen.git

xxx map_pages_to_xen
---

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 1b3c1f65b5..914da764ab 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -5151,12 +5151,14 @@ int map_pages_to_xen(
                 else
                 {
                     l1_pgentry_t *l1t;
+                    mfn_t l1t_mfn = l2e_get_mfn(ol2e);
 
-                    l1t = l2e_to_l1e(ol2e);
+                    l1t = map_xen_pagetable_new(l1t_mfn);
                     for ( i = 0; i < L1_PAGETABLE_ENTRIES; i++ )
                         flush_flags(l1e_get_flags(l1t[i]));
                     flush_area(virt, flush_flags);
-                    free_xen_pagetable(l1t);
+                    unmap_xen_pagetable_new(l1t);
+                    free_xen_pagetable_new(l1t_mfn);
                 }
             }