Commit 63c0cac9 authored by David Matlack's avatar David Matlack Committed by Paolo Bonzini

KVM: x86/mmu: Refactor is_tdp_mmu_root into is_tdp_mmu

This change simplifies the call sites slightly and also abstracts away
the implementation detail of looking at root_hpa as the mechanism for
determining if the mmu is the TDP MMU.
Suggested-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarDavid Matlack <dmatlack@google.com>
Message-Id: <20210617231948.2591431-4-dmatlack@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 0b873fd7
......@@ -3608,7 +3608,7 @@ static bool get_mmio_spte(struct kvm_vcpu *vcpu, u64 addr, u64 *sptep)
return reserved;
}
if (is_tdp_mmu_root(vcpu->arch.mmu->root_hpa))
if (is_tdp_mmu(vcpu->arch.mmu))
leaf = kvm_tdp_mmu_get_walk(vcpu, addr, sptes, &root);
else
leaf = get_walk(vcpu, addr, sptes, &root);
......@@ -3780,7 +3780,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
static int direct_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
bool prefault, int max_level, bool is_tdp)
{
bool is_tdp_mmu_fault = is_tdp_mmu_root(vcpu->arch.mmu->root_hpa);
bool is_tdp_mmu_fault = is_tdp_mmu(vcpu->arch.mmu);
bool write = error_code & PFERR_WRITE_MASK;
bool map_writable;
......
......@@ -86,9 +86,10 @@ void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm);
static inline bool is_tdp_mmu_enabled(struct kvm *kvm) { return kvm->arch.tdp_mmu_enabled; }
static inline bool is_tdp_mmu_page(struct kvm_mmu_page *sp) { return sp->tdp_mmu_page; }
static inline bool is_tdp_mmu_root(hpa_t hpa)
static inline bool is_tdp_mmu(struct kvm_mmu *mmu)
{
struct kvm_mmu_page *sp;
hpa_t hpa = mmu->root_hpa;
if (WARN_ON(!VALID_PAGE(hpa)))
return false;
......@@ -104,7 +105,7 @@ static inline bool kvm_mmu_init_tdp_mmu(struct kvm *kvm) { return false; }
static inline void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm) {}
static inline bool is_tdp_mmu_enabled(struct kvm *kvm) { return false; }
static inline bool is_tdp_mmu_page(struct kvm_mmu_page *sp) { return false; }
static inline bool is_tdp_mmu_root(hpa_t hpa) { return false; }
static inline bool is_tdp_mmu(struct kvm_mmu *mmu) { return false; }
#endif
#endif /* __KVM_X86_MMU_TDP_MMU_H */
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