From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Egger <Christoph.Egger@amd.com>
Subject: nested virtualization: xen-on-xen
Date: Fri, 1 Jul 2011 11:35:48 +0200
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To: Tim Deegan <Tim.Deegan@citrix.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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Hi Tim,

You report that you can boot Xen 4.0 on Xen-unstable but not
Xen 4.1 or Xen-unstable on Xen-unstable, right?

I suppose the problem is that the l1 Dom0 hangs at boot.

Attached patch fixes this problem for me. Please give
it a try.

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>


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diff -r b7e5a2566332 -r 28b49fc064ea tools/libxc/xc_cpuid_x86.c
--- a/tools/libxc/xc_cpuid_x86.c
+++ b/tools/libxc/xc_cpuid_x86.c
@@ -320,7 +320,6 @@ static void xc_cpuid_hvm_policy(
                       bitmaskof(X86_FEATURE_XSAVE)) : 0));
 
         regs[2] |= (bitmaskof(X86_FEATURE_HYPERVISOR) |
-                    bitmaskof(X86_FEATURE_TSC_DEADLINE) |
                     bitmaskof(X86_FEATURE_X2APIC));
 
         regs[3] &= (bitmaskof(X86_FEATURE_FPU) |

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