From: Kyle Hale <kh@u.northwestern.edu>
Date: Wed, 26 Mar 2014 05:35:31 +0000 (-0500)
Subject: XEND instruction now correctly generates GPF when not in RTM mode
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=f2b335d52378f2df90738e450ceacca598e2178a;hp=f0b0012ea7e527abf517545e4280f19d6b6b5f1c;p=palacios.git

XEND instruction now correctly generates GPF when not in RTM mode
---

diff --git a/palacios/src/extensions/ext_trans_mem.c b/palacios/src/extensions/ext_trans_mem.c
index 5849f04..7a4c838 100644
--- a/palacios/src/extensions/ext_trans_mem.c
+++ b/palacios/src/extensions/ext_trans_mem.c
@@ -1776,14 +1776,10 @@ tm_handle_xend (struct guest_info * core,
     /* XEND should raise a GPF when RTM mode is not on */
     if (tm->TM_MODE != TM_ON) {
         TM_ERR(core, UD, "Encountered XEND while not in a transactional region\n");
-        v3_free_staging_page(tm);
-        v3_clr_vtlb(core);
-        v3_clear_tm_lists(tm);
-        if (v3_raise_exception(core, GPF_EXCEPTION) == -1) {
-            TM_ERR(core, UD, "couldn't raise GPF\n");
-            return -1;
-        }
+
+        v3_raise_exception(core, GPF_EXCEPTION);
         return 0;
+
     }
 
     /* Our transaction finished! */