From: "Zhai, Edwin" <edwin.zhai@intel.com>
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>,
Keir Fraser <Keir.Fraser@cl.cam.ac.uk>,
Tim Deegan <Tim.Deegan@xensource.com>
Cc: xen-devel@lists.xensource.com, edwin.zhai@intel.com
Subject: [PATCH][HVM] fix save/restore on 64b HV
Date: Tue, 23 Jan 2007 23:14:33 +0800 [thread overview]
Message-ID: <20070123151433.GA30643@edwin-gen.sh.intel.com> (raw)
[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;
reply other threads:[~2007-01-23 15:14 UTC|newest]
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