diff options
author | Sean Christopherson <seanjc@google.com> | 2021-05-04 10:17:32 -0700 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-05-07 06:06:19 -0400 |
commit | e5fda4bbadb053e3b5164476146cf43092785c0b (patch) | |
tree | 7ef0f3493989addc52baa9b6a04bd40881376bd0 /arch/x86/kvm/svm | |
parent | 9cc39a5a43c05f8eda206bf9e144119820ecf5c8 (diff) |
KVM: x86: Move uret MSR slot management to common x86
Now that SVM and VMX both probe MSRs before "defining" user return slots
for them, consolidate the code for probe+define into common x86 and
eliminate the odd behavior of having the vendor code define the slot for
a given MSR.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210504171734.1434054-14-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm')
-rw-r--r-- | arch/x86/kvm/svm/svm.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 0ba0a00f8dc6..d13b72bfb736 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -959,10 +959,7 @@ static __init int svm_hardware_setup(void) kvm_tsc_scaling_ratio_frac_bits = 32; } - if (!kvm_probe_user_return_msr(MSR_TSC_AUX)) { - tsc_aux_uret_slot = 0; - kvm_define_user_return_msr(tsc_aux_uret_slot, MSR_TSC_AUX); - } + tsc_aux_uret_slot = kvm_add_user_return_msr(MSR_TSC_AUX); /* Check for pause filtering support */ if (!boot_cpu_has(X86_FEATURE_PAUSEFILTER)) { |