[Xen-changelog] [xen-unstable] VMX: remove useless super page recomputing in ept_set_entry.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1277917756 -3600
# Node ID a9caa0f2d693a1d0d008b4295e49da3ea1d70334
# Parent  a6d5b76abdcb58beedeaa50716406bb5207f7833
VMX: remove useless super page recomputing in ept_set_entry.

Caller to ept_set_entry must give a valid order that hardware
supports, see set_p2m_entry in p2m.c.

Signed-off-by: Xin Li <xin.li@xxxxxxxxx>
---
 xen/arch/x86/mm/hap/p2m-ept.c |   10 +---------
 1 files changed, 1 insertion(+), 9 deletions(-)

diff -r a6d5b76abdcb -r a9caa0f2d693 xen/arch/x86/mm/hap/p2m-ept.c
--- a/xen/arch/x86/mm/hap/p2m-ept.c     Tue Jun 29 18:20:14 2010 +0100
+++ b/xen/arch/x86/mm/hap/p2m-ept.c     Wed Jun 30 18:09:16 2010 +0100
@@ -307,18 +307,10 @@ ept_set_entry(struct domain *d, unsigned
     }
     else
     {
-        int num = order / EPT_TABLE_ORDER;
         int level;
         ept_entry_t *split_ept_entry;
 
-        if ( (num >= 2) && hvm_hap_has_1gb(d) )
-            num = 2;
-        else if ( (num >= 1) && hvm_hap_has_2mb(d) )
-            num = 1;
-        else
-            num = 0;
-
-        for ( level = split_level; level > num ; level-- )
+        for ( level = split_level; level > walk_level ; level-- )
         {
             rv = ept_split_large_page(d, &table, &index, gfn, level);
             if ( !rv )

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