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KVM: selftests: Drop now-unnecessary ucall_uninit()

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Drop ucall_uninit() and ucall_arch_uninit() now that ARM doesn't modify
the host's copy of ucall_exit_mmio_addr, i.e. now that there's no need to
reset the pointer before potentially creating a new VM.  The few calls to
ucall_uninit() are all immediately followed by kvm_vm_free(), and that is
likely always going to hold true, i.e. it's extremely unlikely a test
will want to effectively disable ucall in the middle of a test.

Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
Tested-by: Peter Gonda <pgonda@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20221006003409.649993-7-seanjc@google.com
This commit is contained in:
Sean Christopherson
2022-10-06 00:34:08 +00:00
parent 03b4750533
commit 28a65567ac
9 changed files with 2 additions and 34 deletions
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tools/testing/selftests/kvm/lib/aarch64/ucall.c
+2 -12
View File
@@ -12,23 +12,13 @@
*/
static vm_vaddr_t *ucall_exit_mmio_addr;
static void ucall_set_mmio_addr(struct kvm_vm *vm, vm_paddr_t mmio_gpa)
{
vm->ucall_mmio_addr = mmio_gpa;
write_guest_global(vm, ucall_exit_mmio_addr, (vm_vaddr_t *)mmio_gpa);
}
void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa)
{
virt_pg_map(vm, mmio_gpa, mmio_gpa);
ucall_set_mmio_addr(vm, mmio_gpa);
}
vm->ucall_mmio_addr = mmio_gpa;
void ucall_arch_uninit(struct kvm_vm *vm)
{
ucall_set_mmio_addr(vm, (vm_paddr_t)NULL);
write_guest_global(vm, ucall_exit_mmio_addr, (vm_vaddr_t *)mmio_gpa);
}
void ucall_arch_do_ucall(vm_vaddr_t uc)