diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2014-06-16 13:59:42 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-19 12:52:12 +0200 |
| commit | 560b7ee12ca5e1ebc1675d7eb4008bb22708277a (patch) | |
| tree | 20bb81961140e6c33206ef97acb82f31534c3511 /arch | |
| parent | 3dcdf3ec6e48d918741ea11349d4436d0c5aac93 (diff) | |
| download | linux-560b7ee12ca5e1ebc1675d7eb4008bb22708277a.tar.bz2 | |
KVM: nVMX: Fix returned value of MSR_IA32_VMX_PROCBASED_CTLS
SDM says bits 1, 4-6, 8, 13-16, and 26 have to be set.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/vmx.h | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 5 |
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index d989829d3304..bcbfade26d8d 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -51,6 +51,9 @@ #define CPU_BASED_MONITOR_EXITING 0x20000000 #define CPU_BASED_PAUSE_EXITING 0x40000000 #define CPU_BASED_ACTIVATE_SECONDARY_CONTROLS 0x80000000 + +#define CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR 0x0401e172 + /* * Definitions of Secondary Processor-Based VM-Execution Controls. */ diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e55e404b5dba..66365a009cff 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2306,7 +2306,7 @@ static __init void nested_vmx_setup_ctls_msrs(void) /* cpu-based controls */ rdmsr(MSR_IA32_VMX_PROCBASED_CTLS, nested_vmx_procbased_ctls_low, nested_vmx_procbased_ctls_high); - nested_vmx_procbased_ctls_low = 0; + nested_vmx_procbased_ctls_low = CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR; nested_vmx_procbased_ctls_high &= CPU_BASED_VIRTUAL_INTR_PENDING | CPU_BASED_VIRTUAL_NMI_PENDING | CPU_BASED_USE_TSC_OFFSETING | @@ -2327,7 +2327,8 @@ static __init void nested_vmx_setup_ctls_msrs(void) * can use it to avoid exits to L1 - even when L0 runs L2 * without MSR bitmaps. */ - nested_vmx_procbased_ctls_high |= CPU_BASED_USE_MSR_BITMAPS; + nested_vmx_procbased_ctls_high |= CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | + CPU_BASED_USE_MSR_BITMAPS; /* We support free control of CR3 access interception. */ nested_vmx_true_procbased_ctls_low = nested_vmx_procbased_ctls_low & |