---

yaml --- r: 372971 b: refs/heads/master c: 33fb20c h: refs/heads/master i: 372969: 600ec2a 372967: 4a87f4d v: v3
git-mirror · Mar 7, 2013 · 8c42b78 · 8c42b78
1 parent 0ee14a8
commit 8c42b78
Show file tree

Hide file tree

Showing 3 changed files with 15 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c4627c72e9c9e0fc35af2e9d612888fe4564377d
+refs/heads/master: 33fb20c39e98b90813b5ab2d9a0d6faa6300caca
diff --git a/trunk/arch/x86/include/asm/vmx.h b/trunk/arch/x86/include/asm/vmx.h
@@ -81,6 +81,8 @@
 #define VM_EXIT_LOAD_IA32_EFER                  0x00200000
 #define VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
 
+#define VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR	0x00036dff
+
 #define VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000002
 #define VM_ENTRY_IA32E_MODE                     0x00000200
 #define VM_ENTRY_SMM                            0x00000400
@@ -89,6 +91,8 @@
 #define VM_ENTRY_LOAD_IA32_PAT			0x00004000
 #define VM_ENTRY_LOAD_IA32_EFER                 0x00008000
 
+#define VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR	0x000011ff
+
 /* VMCS Encodings */
 enum vmcs_field {
 	VIRTUAL_PROCESSOR_ID            = 0x00000000,

diff --git a/trunk/arch/x86/kvm/vmx.c b/trunk/arch/x86/kvm/vmx.c
@@ -2049,21 +2049,28 @@ static __init void nested_vmx_setup_ctls_msrs(void)
 		PIN_BASED_EXT_INTR_MASK | PIN_BASED_NMI_EXITING |
 		PIN_BASED_VIRTUAL_NMIS;
 
-	/* exit controls */
-	nested_vmx_exit_ctls_low = 0;
+	/*
+	 * Exit controls
+	 * If bit 55 of VMX_BASIC is off, bits 0-8 and 10, 11, 13, 14, 16 and
+	 * 17 must be 1.
+	 */
+	nested_vmx_exit_ctls_low = VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR;
 	/* Note that guest use of VM_EXIT_ACK_INTR_ON_EXIT is not supported. */
 #ifdef CONFIG_X86_64
 	nested_vmx_exit_ctls_high = VM_EXIT_HOST_ADDR_SPACE_SIZE;
 #else
 	nested_vmx_exit_ctls_high = 0;
 #endif
+	nested_vmx_exit_ctls_high |= VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR;
 
 	/* entry controls */
 	rdmsr(MSR_IA32_VMX_ENTRY_CTLS,
 		nested_vmx_entry_ctls_low, nested_vmx_entry_ctls_high);
-	nested_vmx_entry_ctls_low = 0;
+	/* If bit 55 of VMX_BASIC is off, bits 0-8 and 12 must be 1. */
+	nested_vmx_entry_ctls_low = VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR;
 	nested_vmx_entry_ctls_high &=
 		VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_IA32E_MODE;
+	nested_vmx_entry_ctls_high |= VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR;
 
 	/* cpu-based controls */
 	rdmsr(MSR_IA32_VMX_PROCBASED_CTLS,