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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2022-03-22 20:40:46 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-04-02 12:41:23 +0300 |
| commit | d20c796ca3709801f8a7fa36e8770a3dd8ebd34e (patch) | |
| tree | 6515cc9fa05fa3401d7bd8d2bfc13f1aaad14a6e /arch/x86/kvm/svm/svm.h | |
| parent | 1d5a1b5860ed6f623071329112e5935db043eb55 (diff) | |
KVM: x86: nSVM: implement nested LBR virtualization
This was tested with kvm-unit-test that was developed
for this purpose.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20220322174050.241850-3-mlevitsk@redhat.com>
[Copy all of DEBUGCTL except for reserved bits. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 47d4f389bf91..b687393e86ad 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -236,6 +236,7 @@ struct vcpu_svm { bool nrips_enabled : 1; bool tsc_scaling_enabled : 1; bool v_vmload_vmsave_enabled : 1; + bool lbrv_enabled : 1; u32 ldr_reg; u32 dfr_reg; @@ -486,6 +487,8 @@ static inline bool nested_npt_enabled(struct vcpu_svm *svm) /* svm.c */ #define MSR_INVALID 0xffffffffU +#define DEBUGCTL_RESERVED_BITS (~(0x3fULL)) + extern bool dump_invalid_vmcb; u32 svm_msrpm_offset(u32 msr); |