Allocate x86's per-VM TSS at creation of a non-barebones VM. Like the
GDT, the TSS is needed to actually run vCPUs, i.e. every non-barebones VM
is all but guaranteed to allocate the TSS sooner or later.
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/x86_64/processor.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 5cf845975f66..03b9387a1d2e 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -519,9 +519,6 @@ vm_paddr_t addr_arch_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
static void kvm_setup_tss_64bit(struct kvm_vm *vm, struct kvm_segment *segp,
int selector)
{
- if (!vm->arch.tss)
- vm->arch.tss = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
-
memset(segp, 0, sizeof(*segp));
segp->base = vm->arch.tss;
segp->limit = 0x67;
@@ -619,6 +616,8 @@ static void vm_init_descriptor_tables(struct kvm_vm *vm)
vm->arch.gdt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
vm->arch.idt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
vm->handlers = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
+ vm->arch.tss = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
+
/* 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,
--
2.44.0.291.gc1ea87d7ee-goog
