File 19353-amd-migration-fix.patch of Package xen

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File 19353-amd-migration-fix.patch of Package xen (Revision 7ef33d17cdcd039c4b752173f18c59d8)

Currently displaying revision 7ef33d17cdcd039c4b752173f18c59d8 , Show latest

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1237301616 0
# Node ID d32c861460f242803f07521720aa049415be4208
# Parent  abb2b74ff3bc9442c1ec6d43c2dd122b3ad38ea5
[SVM] fix segment descriptors to allow migration to Intel VT systems

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
xen-unstable changeset:   19353:0f7e2ba5d0e62022f0d59b0e098ab9b0747ce1f4
xen-unstable date:        Fri Mar 13 07:43:45 2009 +0000

Index: xen-3.3.1-testing/xen/arch/x86/hvm/svm/svm.c
===================================================================
--- xen-3.3.1-testing.orig/xen/arch/x86/hvm/svm/svm.c
+++ xen-3.3.1-testing/xen/arch/x86/hvm/svm/svm.c
@@ -488,28 +488,40 @@ static void svm_get_segment_register(str
     {
     case x86_seg_cs:
         memcpy(reg, &vmcb->cs, sizeof(*reg));
+        reg->attr.fields.g = reg->limit > 0xFFFFF;
         break;
     case x86_seg_ds:
         memcpy(reg, &vmcb->ds, sizeof(*reg));
+        if ( reg->attr.fields.type != 0 )
+            reg->attr.fields.type |= 0x1;
         break;
     case x86_seg_es:
         memcpy(reg, &vmcb->es, sizeof(*reg));
+        if ( reg->attr.fields.type != 0 )
+            reg->attr.fields.type |= 0x1;
         break;
     case x86_seg_fs:
         svm_sync_vmcb(v);
         memcpy(reg, &vmcb->fs, sizeof(*reg));
+        if ( reg->attr.fields.type != 0 )
+            reg->attr.fields.type |= 0x1;
         break;
     case x86_seg_gs:
         svm_sync_vmcb(v);
         memcpy(reg, &vmcb->gs, sizeof(*reg));
+        if ( reg->attr.fields.type != 0 )
+            reg->attr.fields.type |= 0x1;
         break;
     case x86_seg_ss:
         memcpy(reg, &vmcb->ss, sizeof(*reg));
         reg->attr.fields.dpl = vmcb->cpl;
+        if ( reg->attr.fields.type == 0 )
+            reg->attr.fields.db = 0;
         break;
     case x86_seg_tr:
         svm_sync_vmcb(v);
         memcpy(reg, &vmcb->tr, sizeof(*reg));
+        reg->attr.fields.type |= 0x2;
         break;
     case x86_seg_gdtr:
         memcpy(reg, &vmcb->gdtr, sizeof(*reg));

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File 19353-amd-migration-fix.patch of Package xen (Revision 7ef33d17cdcd039c4b752173f18c59d8)

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