* [PATCH] KVM: selftests: fix steal_time for arm64
@ 2026-05-04 11:28 Sebastian Ott
2026-05-06 16:14 ` Marc Zyngier
0 siblings, 1 reply; 2+ messages in thread
From: Sebastian Ott @ 2026-05-04 11:28 UTC (permalink / raw)
To: Jiakai Xu, Shuah Khan, Andrew Jones, Anup Patel, kvm,
linux-kselftest, kvmarm
Cc: Paolo Bonzini, Marc Zyngier, Oliver Upton, Sebastian Ott
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>
---
tools/testing/selftests/kvm/steal_time.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c
index 7df2bc8eec02..76fcdd1fd3cb 100644
--- 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);
base-commit: 6d35786de28116ecf78797a62b84e6bf3c45aa5a
--
2.52.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] KVM: selftests: fix steal_time for arm64
2026-05-04 11:28 [PATCH] KVM: selftests: fix steal_time for arm64 Sebastian Ott
@ 2026-05-06 16:14 ` Marc Zyngier
0 siblings, 0 replies; 2+ messages in thread
From: Marc Zyngier @ 2026-05-06 16:14 UTC (permalink / raw)
To: Jiakai Xu, Shuah Khan, Andrew Jones, Anup Patel, kvm,
linux-kselftest, kvmarm, Sebastian Ott
Cc: Paolo Bonzini, Oliver Upton
On Mon, 04 May 2026 13:28:08 +0200, Sebastian Ott wrote:
> 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)
>
> [...]
Applied to fixes, thanks!
[1/1] KVM: selftests: fix steal_time for arm64
commit: fc240715fc5003538ff530e3cfb985e7769b7171
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
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