File 19578-hvm-load-ldt-first.patch of Package xen

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1240843209 -3600
# Node ID 9fdcd3ab84b7e1c74ebd3abae0e99260ae4f2e7f
# Parent  7809e0941b38829de084e5e19a04dffc21aa4bea
x86 hvm: During task switch, LDT must be loaded before all other
segments, as some may be loaded from the LDT.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1428,13 +1428,13 @@ void hvm_task_switch(
     }
 
     exn_raised = 0;
-    if ( hvm_load_segment_selector(v, x86_seg_es, tss.es) ||
+    if ( hvm_load_segment_selector(v, x86_seg_ldtr, tss.ldt) ||
+         hvm_load_segment_selector(v, x86_seg_es, tss.es) ||
          hvm_load_segment_selector(v, x86_seg_cs, tss.cs) ||
          hvm_load_segment_selector(v, x86_seg_ss, tss.ss) ||
          hvm_load_segment_selector(v, x86_seg_ds, tss.ds) ||
          hvm_load_segment_selector(v, x86_seg_fs, tss.fs) ||
-         hvm_load_segment_selector(v, x86_seg_gs, tss.gs) ||
-         hvm_load_segment_selector(v, x86_seg_ldtr, tss.ldt) )
+         hvm_load_segment_selector(v, x86_seg_gs, tss.gs) )
         exn_raised = 1;
 
     rc = hvm_copy_to_guest_virt(