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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>
hifive-unleashed-5.1
Bandan Das 2014-04-19 18:17:46 -04:00 committed by Marcelo Tosatti
parent 77b0f5d67f
commit e0ba1a6ffc
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kvm/vmx.c
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@ -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;