diff options
| author | Sean Christopherson <seanjc@google.com> | 2022-01-28 03:51:55 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-02-10 21:47:19 +0300 |
| commit | 3d4421f8f26cbba0191cc0461399ec90284011a7 (patch) | |
| tree | 5caa159f7687c13bf1435a599e986d4c5bba61d3 /arch/x86/kvm/kvm_onhyperv.h | |
| parent | 0bcd556e15f97f5b6636f146acbf22663ab38ccf (diff) | |
| download | linux-3d4421f8f26cbba0191cc0461399ec90284011a7.tar.xz | |
KVM: x86: Uninline and export hv_track_root_tdp()
Uninline and export Hyper-V's hv_track_root_tdp(), which is (somewhat
indirectly) the last remaining reference to kvm_x86_ops from vendor
modules, i.e. will allow unexporting kvm_x86_ops. Reloading the TDP PGD
isn't the fastest of paths, hv_track_root_tdp() isn't exactly tiny, and
disallowing vendor code from accessing kvm_x86_ops provides nice-to-have
encapsulation of common x86 code (and of Hyper-V code for that matter).
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220128005208.4008533-10-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/kvm_onhyperv.h')
| -rw-r--r-- | arch/x86/kvm/kvm_onhyperv.h | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/x86/kvm/kvm_onhyperv.h b/arch/x86/kvm/kvm_onhyperv.h index 1c67abf2eba9..287e98ef9df3 100644 --- a/arch/x86/kvm/kvm_onhyperv.h +++ b/arch/x86/kvm/kvm_onhyperv.h @@ -10,19 +10,7 @@ int hv_remote_flush_tlb_with_range(struct kvm *kvm, struct kvm_tlb_range *range); int hv_remote_flush_tlb(struct kvm *kvm); - -static inline void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp) -{ - struct kvm_arch *kvm_arch = &vcpu->kvm->arch; - - if (kvm_x86_ops.tlb_remote_flush == hv_remote_flush_tlb) { - spin_lock(&kvm_arch->hv_root_tdp_lock); - vcpu->arch.hv_root_tdp = root_tdp; - if (root_tdp != kvm_arch->hv_root_tdp) - kvm_arch->hv_root_tdp = INVALID_PAGE; - spin_unlock(&kvm_arch->hv_root_tdp_lock); - } -} +void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp); #else /* !CONFIG_HYPERV */ static inline void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp) { |