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KVM: selftests: Use alloc_page helper for x86-64's GDT/IDT/TSS allocations 

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>
This commit is contained in:
Sean Christopherson 2021-06-22 13:05:18 -07:00 committed by Paolo Bonzini
parent 106a2e766e
commit 5ae4d8706f
1 changed files with 4 additions and 6 deletions
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10
tools/testing/selftests/kvm/lib/x86_64/processor.c
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@ -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,