KVM: selftests: arm64: Fix steal_time test after UAPI refactoring

Fix the following failure to the steal_time test on arm64 by making
the timer address known to the guest.

==== Test Assertion Failure ====
  steal_time.c:229: !ret
  pid=18514 tid=18514 errno=22 - Invalid argument
     1  0x000000000040252f: check_steal_time_uapi at steal_time.c:229 (discriminator 20)
     2   (inlined by) main at steal_time.c:537 (discriminator 20)
     3  0x0000ffffa23d621b: ?? ??:0
     4  0x0000ffffa23d62fb: ?? ??:0
     5  0x0000000000402b6f: _start at ??:?
  KVM_SET_DEVICE_ATTR failed, rc: -1 errno: 22 (Invalid argument)

Fixes: 40351ed924dd ("KVM: selftests: Refactor UAPI tests into dedicated function")
Signed-off-by: Sebastian Ott <sebott@redhat.com>
Link: https://patch.msgid.link/20260504112808.21276-1-sebott@redhat.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c
index 7df2bc8eec0221a8551665033564df1f168d9644..76fcdd1fd3cb487358274c85adc8ffc74628e7ab 100644 (file)
--- a/tools/testing/selftests/kvm/steal_time.c
+++ b/tools/testing/selftests/kvm/steal_time.c
@@ -220,6 +220,8 @@ static void check_steal_time_uapi(void)
        };
 
        vcpu_ioctl(vcpu, KVM_HAS_DEVICE_ATTR, &dev);
+       vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, ST_GPA_BASE, 1, 1, 0);
+       virt_map(vm, ST_GPA_BASE, ST_GPA_BASE, 1);
 
        st_ipa = (ulong)ST_GPA_BASE | 1;
        ret = __vcpu_ioctl(vcpu, KVM_SET_DEVICE_ATTR, &dev);