Xen devel - Aug 2012 - [PATCH 2/2] Nested: VM_ENTRY_IA32E_MODE shouldn't be in default1 class

From eb20603913ff7350cd25b39d1eb37b8fddd16053 Mon Sep 17 00:00:00 2001
From: Zhang Xiantao <xiantao.zhang@intel.com>
Date: Sat, 25 Aug 2012 04:11:08 +0800
Subject: [PATCH 2/2] Nested: VM_ENTRY_IA32E_MODE shouldn''t be in
default1 class
for IA32_VM_ENTRY_CTLS_MSR.

If set to 1, L2 guest''s paging mode maybe mis-judged
and mis-set.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
---
xen/arch/x86/hvm/vmx/vvmx.c |    1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index 8e005cd..55781e9 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -1334,7 +1334,6 @@ int nvmx_msr_read_intercept(unsigned int msr, u64
*msr_content)
     case MSR_IA32_VMX_ENTRY_CTLS:
         /* bit 0-8, and 12 must be 1 (refer G5 of SDM) */
         data = 0x11ff;
-        data |= VM_ENTRY_IA32E_MODE;
         data = (data << 32) | data;
         break;
--
1.7.0.4






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