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| author |   Sean Christopherson <seanjc@google.com> | 2021-06-22 13:05:24 -0700 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-06-24 11:47:49 -0400 |
| commit | cce0c23dd944068d7f07a03938d5b3cbcdaf4148 (patch) | |
| tree | 359900099640eac2cdd4c75f7a78d0af2d09f0c3 /tools/testing/selftests/kvm/lib/aarch64/processor.c | |
| parent | KVM: selftests: Unconditionally allocate EPT tables in memslot 0 (diff) | |
| download | linux-dev-cce0c23dd944068d7f07a03938d5b3cbcdaf4148.tar.xz linux-dev-cce0c23dd944068d7f07a03938d5b3cbcdaf4148.zip | |
KVM: selftests: Add wrapper to allocate page table page
Add a helper to allocate a page for use in constructing the guest's page
tables. All architectures have identical address and memslot
requirements (which appear to be arbitrary anyways).
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210622200529.3650424-15-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/aarch64/processor.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/aarch64/processor.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c index ba6f0cff7892..ad465ca16237 100644 --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c @@ -11,7 +11,6 @@ #include "../kvm_util_internal.h" #include "processor.h" -#define KVM_GUEST_PAGE_TABLE_MIN_PADDR 0x180000 #define DEFAULT_ARM64_GUEST_STACK_VADDR_MIN 0xac0000 static uint64_t page_align(struct kvm_vm *vm, uint64_t v) @@ -104,25 +103,19 @@ static void _virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr, paddr, vm->max_gfn, vm->page_size); ptep = addr_gpa2hva(vm, vm->pgd) + pgd_index(vm, vaddr) * 8; - if (!*ptep) { - *ptep = vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0); - *ptep |= 3; - } + if (!*ptep) + *ptep = vm_alloc_page_table(vm) | 3; switch (vm->pgtable_levels) { case 4: ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pud_index(vm, vaddr) * 8; - if (!*ptep) { - *ptep = vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0); - *ptep |= 3; - } + if (!*ptep) + *ptep = vm_alloc_page_table(vm) | 3; /* fall through */ case 3: ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pmd_index(vm, vaddr) * 8; - if (!*ptep) { - *ptep = vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0); - *ptep |= 3; - } + if (!*ptep) + *ptep = vm_alloc_page_table(vm) | 3; /* fall through */ case 2: ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pte_index(vm, vaddr) * 8; |