[PATCH v13 18/85] KVM: Drop unused "hva" pointer from __gfn_to_pfn_memslot()

Sean Christopherson
2024-10-10T18:46:29Z

Drop @hva from __gfn_to_pfn_memslot() now that all callers pass NULL.

No functional change intended.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/arm64/kvm/mmu.c | 2 +-
arch/powerpc/kvm/book3s_64_mmu_hv.c | 2 +-
arch/powerpc/kvm/book3s_64_mmu_radix.c | 2 +-
arch/x86/kvm/mmu/mmu.c | 6 ++----
include/linux/kvm_host.h | 2 +-
virt/kvm/kvm_main.c | 9 +++------
6 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index a6e62cc9015c..dd221587fcca 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1570,7 +1570,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
mmap_read_unlock(current->mm);

pfn = __gfn_to_pfn_memslot(memslot, gfn, false, NULL,
- write_fault, &writable, NULL);
+ write_fault, &writable);
if (pfn == KVM_PFN_ERR_HWPOISON) {
kvm_send_hwpoison_signal(hva, vma_shift);
return 0;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 8cd02ca4b1b8..2f1d58984b41 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -614,7 +614,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_vcpu *vcpu,
} else {
/* Call KVM generic code to do the slow-path check */
pfn = __gfn_to_pfn_memslot(memslot, gfn, false, NULL,
- writing, &write_ok, NULL);
+ writing, &write_ok);
if (is_error_noslot_pfn(pfn))
return -EFAULT;
page = NULL;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 26a969e935e3..8304b6f8fe45 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -853,7 +853,7 @@ int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu,

/* Call KVM generic code to do the slow-path check */
pfn = __gfn_to_pfn_memslot(memslot, gfn, false, NULL,
- writing, upgrade_p, NULL);
+ writing, upgrade_p);
if (is_error_noslot_pfn(pfn))
return -EFAULT;
page = NULL;
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index c67228b46bd5..28f2b842d6ca 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4377,8 +4377,7 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
return kvm_faultin_pfn_private(vcpu, fault);

fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, false, true,
- fault->write, &fault->map_writable,
- NULL);
+ fault->write, &fault->map_writable);

/*
* If resolving the page failed because I/O is needed to fault-in the
@@ -4406,8 +4405,7 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault
* get a page and a fatal signal, i.e. SIGKILL, is pending.
*/
fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, true, true,
- fault->write, &fault->map_writable,
- NULL);
+ fault->write, &fault->map_writable);
return RET_PF_CONTINUE;
}

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 071a0a1f1c60..cbc7b9c04c14 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1235,7 +1235,7 @@ kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
kvm_pfn_t gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn);
kvm_pfn_t __gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn,
bool interruptible, bool no_wait,
- bool write_fault, bool *writable, hva_t *hva);
+ bool write_fault, bool *writable);

void kvm_release_pfn_clean(kvm_pfn_t pfn);
void kvm_release_pfn_dirty(kvm_pfn_t pfn);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index dd5839abef6c..10071f31b2ca 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2967,13 +2967,10 @@ kvm_pfn_t hva_to_pfn(unsigned long addr, bool interruptible, bool no_wait,

kvm_pfn_t __gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn,
bool interruptible, bool no_wait,
- bool write_fault, bool *writable, hva_t *hva)
+ bool write_fault, bool *writable)
{
unsigned long addr = __gfn_to_hva_many(slot, gfn, NULL, write_fault);

- if (hva)
- *hva = addr;
-
if (kvm_is_error_hva(addr)) {
if (writable)
*writable = false;
@@ -2996,13 +2993,13 @@ kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
bool *writable)
{
return __gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn, false, false,
- write_fault, writable, NULL);
+ write_fault, writable);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_prot);

kvm_pfn_t gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn)
{
- return __gfn_to_pfn_memslot(slot, gfn, false, false, true, NULL, NULL);
+ return __gfn_to_pfn_memslot(slot, gfn, false, false, true, NULL);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot);