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KVM: nVMX: include conditional controls in /dev/kvm KVM_GET_MSRS 

Some secondary controls are automatically enabled/disabled based on the CPUID
values that are set for the guest.  However, they are still available at a
global level and therefore should be present when KVM_GET_MSRS is sent to
/dev/kvm.

Fixes: 1389309c81 ("KVM: nVMX: expose VMX capabilities for nested hypervisors to userspace", 2018-02-26)
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-07-02 14:39:29 +02:00
parent a251fb90ab
commit 6defc59184
1 changed files with 6 additions and 1 deletions
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7
arch/x86/kvm/vmx/nested.c
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@ -5750,10 +5750,15 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps,
msrs->secondary_ctls_low = 0; msrs->secondary_ctls_low = 0;
msrs->secondary_ctls_high &= msrs->secondary_ctls_high &=
SECONDARY_EXEC_DESC | SECONDARY_EXEC_DESC |
SECONDARY_EXEC_RDTSCP |
SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
SECONDARY_EXEC_WBINVD_EXITING |
SECONDARY_EXEC_APIC_REGISTER_VIRT | SECONDARY_EXEC_APIC_REGISTER_VIRT |
SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY | SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
SECONDARY_EXEC_WBINVD_EXITING; SECONDARY_EXEC_RDRAND_EXITING |
SECONDARY_EXEC_ENABLE_INVPCID |
SECONDARY_EXEC_RDSEED_EXITING |
SECONDARY_EXEC_XSAVES;
/* /*
* We can emulate "VMCS shadowing," even if the hardware * We can emulate "VMCS shadowing," even if the hardware