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KVM: x86/mmu: Add convenience wrapper for acting on single hva in TDP MMU

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Add a TDP MMU helper to handle a single HVA hook, the name is a nice
reminder that the flow in question is operating on a single HVA.

No functional change intended.

Cc: Ben Gardon <bgardon@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210226010329.1766033-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson
2021-02-25 17:03:29 -08:00
committed by Paolo Bonzini
parent c1b91493ed
commit 2032195713
1 changed files with 11 additions and 5 deletions
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16
arch/x86/kvm/mmu/tdp_mmu.c
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@@ -920,6 +920,14 @@ static __always_inline int kvm_tdp_mmu_handle_hva_range(struct kvm *kvm,
return ret;
}
static __always_inline int kvm_tdp_mmu_handle_hva(struct kvm *kvm,
unsigned long addr,
unsigned long data,
tdp_handler_t handler)
{
return kvm_tdp_mmu_handle_hva_range(kvm, addr, addr + 1, data, handler);
}
static int zap_gfn_range_hva_wrapper(struct kvm *kvm,
struct kvm_memory_slot *slot,
struct kvm_mmu_page *root, gfn_t start,
@@ -1007,8 +1015,7 @@ static int test_age_gfn(struct kvm *kvm, struct kvm_memory_slot *slot,
int kvm_tdp_mmu_test_age_hva(struct kvm *kvm, unsigned long hva)
{
return kvm_tdp_mmu_handle_hva_range(kvm, hva, hva + 1, 0,
test_age_gfn);
return kvm_tdp_mmu_handle_hva(kvm, hva, 0, test_age_gfn);
}
/*
@@ -1069,9 +1076,8 @@ static int set_tdp_spte(struct kvm *kvm, struct kvm_memory_slot *slot,
int kvm_tdp_mmu_set_spte_hva(struct kvm *kvm, unsigned long address,
pte_t *host_ptep)
{
return kvm_tdp_mmu_handle_hva_range(kvm, address, address + 1,
(unsigned long)host_ptep,
set_tdp_spte);
return kvm_tdp_mmu_handle_hva(kvm, address, (unsigned long)host_ptep,
set_tdp_spte);
}
/*