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KVM: selftests: Allocate x86's GDT during VM creation

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Allocate the GDT during creation of non-barebones VMs instead of waiting
until the first vCPU is created, as the whole point of non-barebones VMs
is to be able to run vCPUs, i.e. the GDT is going to get allocated no
matter what.

Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Link: https://lore.kernel.org/r/20240314232637.2538648-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-03-14 16:26:31 -07:00
parent 44c93b2772
commit 2a511ca994
1 changed files with 1 additions and 3 deletions
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4
tools/testing/selftests/kvm/lib/x86_64/processor.c
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@ -519,9 +519,6 @@ vm_paddr_t addr_arch_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
static void kvm_setup_gdt(struct kvm_vm *vm, struct kvm_dtable *dt)
{
if (!vm->arch.gdt)
vm->arch.gdt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA);
dt->base = vm->arch.gdt;
dt->limit = getpagesize() - 1;
}
@ -645,6 +642,7 @@ static void vm_init_descriptor_tables(struct kvm_vm *vm)
extern void *idt_handlers;
int i;
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);
/* Handlers have the same address in both address spaces.*/