1 files changed, 9 insertions, 0 deletions
diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h
index cd24177232..cc97de490a 100644
--- a/xen/include/asm-x86/hvm/vcpu.h
+++ b/xen/include/asm-x86/hvm/vcpu.h
@@ -47,6 +47,15 @@ struct hvm_vcpu {
      */
     unsigned long       hw_cr[5];
 
+    /*
+     * The save area for Processor Extended States and the bitmask of the
+     * XSAVE/XRSTOR features. They are used by: 1) when a vcpu (which has
+     * dirtied FPU/SSE) is scheduled out we XSAVE the states here; 2) in
+     * #NM handler, we XRSTOR the states we XSAVE-ed;
+     */
+    void *xsave_area;
+    uint64_t xfeature_mask;
+
     struct vlapic       vlapic;
     s64                 cache_tsc_offset;
     u64                 guest_time;