From: Qing He <qing.he@intel.com>
To: xen-devel@lists.xensource.com
Cc: Qing He <qing.he@intel.com>
Subject: [PATCH 01/17] vmx: nest: fix CR4.VME in update_guest_cr
Date: Thu, 22 Apr 2010 17:41:13 +0800 [thread overview]
Message-ID: <1271929289-18572-2-git-send-email-qing.he@intel.com> (raw)
In-Reply-To: <1271929289-18572-1-git-send-email-qing.he@intel.com>
X86_CR4_VME in guest_cr[4] is updated in cr0 handling, but not in
cr4 handling, fix it for guest VM86.
Signed-off-by: Qing He <qing.he@intel.com>
---
vmx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -r 9be1d3918ec7 -r ca507122f84e xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c Wed Apr 21 23:43:59 2010 +0800
+++ b/xen/arch/x86/hvm/vmx/vmx.c Thu Apr 22 21:28:41 2010 +0800
@@ -1174,7 +1174,8 @@
if ( paging_mode_hap(v->domain) )
v->arch.hvm_vcpu.hw_cr[4] &= ~X86_CR4_PAE;
v->arch.hvm_vcpu.hw_cr[4] |= v->arch.hvm_vcpu.guest_cr[4];
- if ( v->arch.hvm_vmx.vmx_realmode )
+ if ( v->arch.hvm_vmx.vmx_realmode ||
+ (v->arch.hvm_vcpu.hw_cr[4] & X86_CR4_VME) )
v->arch.hvm_vcpu.hw_cr[4] |= X86_CR4_VME;
if ( paging_mode_hap(v->domain) && !hvm_paging_enabled(v) )
{
next prev parent reply other threads:[~2010-04-22 9:41 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-22 9:41 [PATCH 00/17][RFC] Nested virtualization for VMX Qing He
2010-04-22 9:41 ` Qing He [this message]
2010-05-20 9:26 ` [PATCH 01/17] vmx: nest: fix CR4.VME in update_guest_cr Tim Deegan
2010-05-20 9:36 ` Qing He
2010-04-22 9:41 ` [PATCH 02/17] vmx: nest: rename host_vmcs Qing He
2010-04-22 9:41 ` [PATCH 03/17] vmx: nest: wrapper for control update Qing He
2010-05-20 9:34 ` Tim Deegan
2010-05-20 9:46 ` Qing He
2010-05-20 12:57 ` Keir Fraser
2010-04-22 9:41 ` [PATCH 04/17] vmx: nest: domain and vcpu flags Qing He
2010-05-20 9:37 ` Tim Deegan
2010-05-20 9:51 ` Christoph Egger
2010-05-20 9:54 ` Qing He
2010-05-20 10:55 ` Tim Deegan
2010-05-20 12:53 ` Qing He
2010-05-20 14:06 ` Christoph Egger
2010-04-22 9:41 ` [PATCH 05/17] vmx: nest: nested control structure Qing He
2010-04-22 9:41 ` [PATCH 06/17] vmx: nest: virtual vmcs layout Qing He
2010-04-22 9:41 ` [PATCH 07/17] vmx: nest: handling VMX instruction exits Qing He
2010-05-20 10:53 ` Tim Deegan
2010-05-20 13:28 ` Qing He
2010-04-22 9:41 ` [PATCH 08/17] vmx: nest: L1 <-> L2 context switch Qing He
2010-05-20 11:11 ` Tim Deegan
2010-05-20 13:49 ` Qing He
2010-05-21 9:19 ` Tim Deegan
2010-05-21 10:31 ` Qing He
2010-05-25 15:27 ` Tim Deegan
2010-04-22 9:41 ` [PATCH 09/17] vmx: nest: interrupt Qing He
2010-05-20 11:21 ` Tim Deegan
2010-05-20 15:55 ` Qing He
2010-04-22 9:41 ` [PATCH 10/17] vmx: nest: VMExit handler in L2 Qing He
2010-05-20 11:44 ` Tim Deegan
2010-05-20 16:06 ` Qing He
2010-05-21 8:42 ` Tim Deegan
2010-05-21 10:35 ` Qing He
2010-05-25 15:34 ` Tim Deegan
2010-04-22 9:41 ` [PATCH 11/17] vmx: nest: L2 tsc Qing He
2010-05-20 11:47 ` Tim Deegan
2010-05-20 16:07 ` Qing He
2010-04-22 9:41 ` [PATCH 12/17] vmx: nest: CR0.TS and #NM Qing He
2010-04-22 9:41 ` [PATCH 13/17] vmx: nest: capability reporting MSRs Qing He
2010-05-20 11:52 ` Tim Deegan
2010-04-22 9:41 ` [PATCH 14/17] vmx: nest: enable virtual VMX Qing He
2010-04-22 9:41 ` [PATCH 15/17] vmx: nest: virtual ept for nested Qing He
2010-05-20 12:21 ` Tim Deegan
2010-05-21 10:24 ` Qing He
2010-05-25 16:02 ` Tim Deegan
2010-04-22 9:41 ` [PATCH 16/17] vmx: nest: hvmtrace " Qing He
2010-04-22 9:41 ` [PATCH 17/17] tools: nest: allow enabling nesting Qing He
2010-04-22 10:15 ` [PATCH 00/17][RFC] Nested virtualization for VMX Christoph Egger
2010-04-23 10:10 ` He, Qing
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