[Xen-changelog] [xen-unstable] [IA64] Fix return value of hypercall from VT-i domain

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1173710531 21600
# Node ID dc6fbe46ec914c526d091fa560c7d85942ff8e3d
# Parent  1f303be683641a79a5f58b7b10018e9e41aac627
[IA64] Fix return value of hypercall from VT-i domain

Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@xxxxxxxxxxxxxx>
---
 xen/arch/ia64/vmx/vmx_entry.S |   10 ++++++++++
 1 files changed, 10 insertions(+)

diff -r 1f303be68364 -r dc6fbe46ec91 xen/arch/ia64/vmx/vmx_entry.S
--- a/xen/arch/ia64/vmx/vmx_entry.S     Mon Mar 12 08:40:57 2007 -0600
+++ b/xen/arch/ia64/vmx/vmx_entry.S     Mon Mar 12 08:42:11 2007 -0600
@@ -477,6 +477,11 @@ GLOBAL_ENTRY(ia64_leave_hypercall)
      * resumes at .work_processed_syscall with p6 set to 1 if the 
extra-work-check
      * needs to be redone.
      */
+    ;;
+    adds r16=PT(R8)+16,r12
+    ;;
+    st8 [r16]=r8
+    ;;
 (pUStk) rsm psr.i
     cmp.eq pLvSys,p0=r0,r0             // pLvSys=1: leave from syscall
 (pUStk) cmp.eq.unc p6,p0=r0,r0         // p6 <- pUStk
@@ -484,6 +489,11 @@ GLOBAL_ENTRY(ia64_leave_hypercall)
     br.call.sptk.many b0=leave_hypervisor_tail
 .work_processed_syscall:
     //clean up bank 1 registers
+    ;;
+    adds r16=PT(R8)+16,r12
+    ;;
+    ld8 r8=[r16]
+    ;;
     mov r16=r0
     mov r17=r0
     mov r18=r0

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