From: Sean Christopherson Date: Thu, 14 Mar 2024 23:26:31 +0000 (-0700) Subject: KVM: selftests: Allocate x86's GDT during VM creation X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2a511ca994933ba02309c65401d88cbf4f19630e;p=linux.git KVM: selftests: Allocate x86's GDT during VM creation 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 Link: https://lore.kernel.org/r/20240314232637.2538648-13-seanjc@google.com Signed-off-by: Sean Christopherson --- diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index ff800b8609135..7ac77dd970ca1 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_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.*/