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| author | Alexander Graf <graf@amazon.com> | 2020-09-25 16:34:17 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-09-28 07:58:05 -0400 |
| commit | 51de8151bd21bae0ce76f604eec6a7176f7093b3 (patch) | |
| tree | 2be4314648b13c5df06a917302c4b786bbe6ba95 /arch/x86/kvm | |
| parent | 1ae099540e8c7f1ee066b3ad45cc91f582bb1ce8 (diff) | |
| download | linux-51de8151bd21bae0ce76f604eec6a7176f7093b3.tar.gz linux-51de8151bd21bae0ce76f604eec6a7176f7093b3.tar.bz2 linux-51de8151bd21bae0ce76f604eec6a7176f7093b3.zip | |
KVM: x86: Add infrastructure for MSR filtering
In the following commits we will add pieces of MSR filtering.
To ensure that code compiles even with the feature half-merged, let's add
a few stubs and struct definitions before the real patches start.
Signed-off-by: Alexander Graf <graf@amazon.com>
Message-Id: <20200925143422.21718-4-graf@amazon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/x86.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index af6d008145cd..60219882fee2 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1488,6 +1488,12 @@ void kvm_enable_efer_bits(u64 mask) } EXPORT_SYMBOL_GPL(kvm_enable_efer_bits); +bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type) +{ + return true; +} +EXPORT_SYMBOL_GPL(kvm_msr_allowed); + /* * Write @data into the MSR specified by @index. Select MSR specific fault * checks are bypassed if @host_initiated is %true. diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 941f288c38aa..3900ab0c6004 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -374,6 +374,7 @@ bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu); int kvm_handle_memory_failure(struct kvm_vcpu *vcpu, int r, struct x86_exception *e); int kvm_handle_invpcid(struct kvm_vcpu *vcpu, unsigned long type, gva_t gva); +bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type); #define KVM_MSR_RET_INVALID 2 |