[PATCH v13 37/85] KVM: x86/mmu: Add "mmu" prefix fault-in helpers to free up generic names

Sean Christopherson
2024-10-10T19:10:23Z

Prefix x86's faultin_pfn helpers with "mmu" so that the mmu-less names can
be used by common KVM for similar APIs.

No functional change intended.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/mmu.c | 19 ++++++++++---------
arch/x86/kvm/mmu/mmu_internal.h | 2 +-
arch/x86/kvm/mmu/paging_tmpl.h | 2 +-
3 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 28f2b842d6ca..e451e1b9a55a 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4347,8 +4347,8 @@ static u8 kvm_max_private_mapping_level(struct kvm *kvm, kvm_pfn_t pfn,
return max_level;
}

-static int kvm_faultin_pfn_private(struct kvm_vcpu *vcpu,
- struct kvm_page_fault *fault)
+static int kvm_mmu_faultin_pfn_private(struct kvm_vcpu *vcpu,
+ struct kvm_page_fault *fault)
{
int max_order, r;

@@ -4371,10 +4371,11 @@ static int kvm_faultin_pfn_private(struct kvm_vcpu *vcpu,
return RET_PF_CONTINUE;
}

-static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
+static int __kvm_mmu_faultin_pfn(struct kvm_vcpu *vcpu,
+ struct kvm_page_fault *fault)
{
if (fault->is_private)
- return kvm_faultin_pfn_private(vcpu, fault);
+ return kvm_mmu_faultin_pfn_private(vcpu, fault);

fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, false, true,
fault->write, &fault->map_writable);
@@ -4409,8 +4410,8 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
return RET_PF_CONTINUE;
}

-static int kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
- unsigned int access)
+static int kvm_mmu_faultin_pfn(struct kvm_vcpu *vcpu,
+ struct kvm_page_fault *fault, unsigned int access)
{
struct kvm_memory_slot *slot = fault->slot;
int ret;
@@ -4493,7 +4494,7 @@ static int kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
if (mmu_invalidate_retry_gfn_unsafe(vcpu->kvm, fault->mmu_seq, fault->gfn))
return RET_PF_RETRY;

- ret = __kvm_faultin_pfn(vcpu, fault);
+ ret = __kvm_mmu_faultin_pfn(vcpu, fault);
if (ret != RET_PF_CONTINUE)
return ret;

@@ -4570,7 +4571,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
if (r)
return r;

- r = kvm_faultin_pfn(vcpu, fault, ACC_ALL);
+ r = kvm_mmu_faultin_pfn(vcpu, fault, ACC_ALL);
if (r != RET_PF_CONTINUE)
return r;

@@ -4661,7 +4662,7 @@ static int kvm_tdp_mmu_page_fault(struct kvm_vcpu *vcpu,
if (r)
return r;

- r = kvm_faultin_pfn(vcpu, fault, ACC_ALL);
+ r = kvm_mmu_faultin_pfn(vcpu, fault, ACC_ALL);
if (r != RET_PF_CONTINUE)
return r;

diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index 633aedec3c2e..59e600f6ff9d 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -235,7 +235,7 @@ struct kvm_page_fault {
/* The memslot containing gfn. May be NULL. */
struct kvm_memory_slot *slot;

- /* Outputs of kvm_faultin_pfn. */
+ /* Outputs of kvm_mmu_faultin_pfn(). */
unsigned long mmu_seq;
kvm_pfn_t pfn;
bool map_writable;
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 143b7e9f26dc..9bd3d6f5db91 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -812,7 +812,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
if (r)
return r;

- r = kvm_faultin_pfn(vcpu, fault, walker.pte_access);
+ r = kvm_mmu_faultin_pfn(vcpu, fault, walker.pte_access);
if (r != RET_PF_CONTINUE)
return r;