From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 30 Jun 2010 17:09:16 +0000 (+0100)
Subject: VMX: remove useless super page recomputing in ept_set_entry.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~11860
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=3f3ba5b3d4d89c6ebadebe19098e27bbfa58fceb;p=xen.git

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@intel.com>
---

diff --git a/xen/arch/x86/mm/hap/p2m-ept.c b/xen/arch/x86/mm/hap/p2m-ept.c
index e0b4a2a506..1f7ba79518 100644
--- a/xen/arch/x86/mm/hap/p2m-ept.c
+++ b/xen/arch/x86/mm/hap/p2m-ept.c
@@ -307,18 +307,10 @@ ept_set_entry(struct domain *d, unsigned long gfn, mfn_t mfn,
     }
     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 )