[PATCH][HVM] fix save/restore on 64b HV
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
enable hvm_ctxt ops for compat mode to fix HVM save/restore on 64b HV
diff -r b75af612851c xen/arch/x86/domctl.c
--- a/xen/arch/x86/domctl.c Mon Jan 22 17:31:15 2007 +0000
+++ b/xen/arch/x86/domctl.c Tue Jan 23 22:00:11 2007 +0800
@@ -311,12 +311,16 @@ _long arch_do_domctl(
ret = -EFAULT;
-#ifndef CONFIG_COMPAT
+#ifndef COMPAT
if ( copy_from_guest(c, domctl->u.hvmcontext.ctxt, 1) != 0 )
+#else
+ if ( copy_from_guest(c,
+ compat_handle_cast(domctl->u.hvmcontext.ctxt,
void),
+ 1) != 0 )
+#endif
goto sethvmcontext_out;
ret = arch_sethvm_ctxt(v, c);
-#endif
xfree(c);
@@ -350,12 +354,16 @@ _long arch_do_domctl(
if (arch_gethvm_ctxt(v, c) == -1)
ret = -EFAULT;
-#ifndef CONFIG_COMPAT
+#ifndef COMPAT
if ( copy_to_guest(domctl->u.hvmcontext.ctxt, c, 1) )
+#else
+ if ( copy_to_guest(compat_handle_cast(domctl->u.hvmcontext.ctxt,
+ void),
+ c, 1) )
ret = -EFAULT;
+#endif
xfree(c);
-#endif
if ( copy_to_guest(u_domctl, domctl, 1) )
ret = -EFAULT;
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