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| author | Bandan Das <bsd@redhat.com> | 2014-04-19 18:17:46 -0400 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2014-04-22 18:41:34 -0300 |
| commit | e0ba1a6ffcfe8dc95586943bbe56badb1459bf25 (patch) | |
| tree | ab05c39577d1386956576ed68e478661391679c2 /arch/x86/kvm/vmx.c | |
| parent | 77b0f5d67ff2781f36831cba79674c3e97bd7acf (diff) | |
| download | blackbird-op-linux-e0ba1a6ffcfe8dc95586943bbe56badb1459bf25.tar.gz blackbird-op-linux-e0ba1a6ffcfe8dc95586943bbe56badb1459bf25.zip | |
KVM: nVMX: Advertise support for interrupt acknowledgement
Some Type 1 hypervisors such as XEN won't enable VMX without it present
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 4378014a41a9..72b8012991b9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2283,7 +2283,7 @@ static __init void nested_vmx_setup_ctls_msrs(void) rdmsr(MSR_IA32_VMX_EXIT_CTLS, nested_vmx_exit_ctls_low, nested_vmx_exit_ctls_high); 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. */ + nested_vmx_exit_ctls_high &= #ifdef CONFIG_X86_64 VM_EXIT_HOST_ADDR_SPACE_SIZE | @@ -2291,7 +2291,8 @@ static __init void nested_vmx_setup_ctls_msrs(void) VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT; nested_vmx_exit_ctls_high |= VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | VM_EXIT_LOAD_IA32_EFER | VM_EXIT_SAVE_IA32_EFER | - VM_EXIT_SAVE_VMX_PREEMPTION_TIMER; + VM_EXIT_SAVE_VMX_PREEMPTION_TIMER | VM_EXIT_ACK_INTR_ON_EXIT; + if (vmx_mpx_supported()) nested_vmx_exit_ctls_high |= VM_EXIT_CLEAR_BNDCFGS; |
