Commit 20321957 authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

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



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: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20210226010329.1766033-6-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent c1b91493

arch/x86/kvm/mmu/tdp_mmu.c

+11 −5
Original line number Diff line number Diff line
@@ -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);

}



/*
@@ -1069,8 +1076,7 @@ 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,

	return kvm_tdp_mmu_handle_hva(kvm, address, (unsigned long)host_ptep,

				      set_tdp_spte);

}