KVM: selftests: Use alloc_page helper for x86-64's GDT/IDT/TSS allocations
authorSean Christopherson <seanjc@google.com>
Tue, 22 Jun 2021 20:05:18 +0000 (13:05 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 24 Jun 2021 08:31:18 +0000 (04:31 -0400)
Switch to the vm_vaddr_alloc_page() helper for x86-64's "kernel"
allocations now that the helper uses the same min virtual address as the
open coded versions.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210622200529.3650424-9-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
tools/testing/selftests/kvm/lib/x86_64/processor.c

index 1fdcf91..0c51526 100644 (file)
@@ -521,8 +521,7 @@ unmapped_gva:
 static void kvm_setup_gdt(struct kvm_vm *vm, struct kvm_dtable *dt)
 {
        if (!vm->gdt)
-               vm->gdt = vm_vaddr_alloc(vm, getpagesize(),
-                       KVM_UTIL_MIN_VADDR, 0, 0);
+               vm->gdt = vm_vaddr_alloc_page(vm);
 
        dt->base = vm->gdt;
        dt->limit = getpagesize();
@@ -532,8 +531,7 @@ static void kvm_setup_tss_64bit(struct kvm_vm *vm, struct kvm_segment *segp,
                                int selector)
 {
        if (!vm->tss)
-               vm->tss = vm_vaddr_alloc(vm, getpagesize(),
-                       KVM_UTIL_MIN_VADDR, 0, 0);
+               vm->tss = vm_vaddr_alloc_page(vm);
 
        memset(segp, 0, sizeof(*segp));
        segp->base = vm->tss;
@@ -1223,8 +1221,8 @@ void vm_init_descriptor_tables(struct kvm_vm *vm)
        extern void *idt_handlers;
        int i;
 
-       vm->idt = vm_vaddr_alloc(vm, getpagesize(), 0x2000, 0, 0);
-       vm->handlers = vm_vaddr_alloc(vm, 256 * sizeof(void *), 0x2000, 0, 0);
+       vm->idt = vm_vaddr_alloc_page(vm);
+       vm->handlers = vm_vaddr_alloc_page(vm);
        /* Handlers have the same address in both address spaces.*/
        for (i = 0; i < NUM_INTERRUPTS; i++)
                set_idt_entry(vm, i, (unsigned long)(&idt_handlers)[i], 0,