From: Zenghui Yu <zenghui.yu@linux.dev>
To: Sebastian Ott <sebott@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>, Oliver Upton <oupton@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Jiakai Xu <xujiakai2025@iscas.ac.cn>,
Shuah Khan <shuah@kernel.org>,
Andrew Jones <andrew.jones@oss.qualcomm.com>,
Anup Patel <anup@brainfault.org>,
Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-kselftest@vger.kernel.org,
kvmarm@lists.linux.dev
Subject: Re: [PATCH v2] KVM: selftests: fix steal_time for arm64 with host page size > 4K
Date: Tue, 15 Sep 2026 09:50:29 +0800 [thread overview]
Message-ID: <62f1f8d6-0902-4c1f-a32e-6ae5d90b1fa6@linux.dev> (raw)
In-Reply-To: <20260914131013.60334-1-sebott@redhat.com>
On 9/14/26 9:10 PM, Sebastian Ott wrote:
> Fix the following failure when running with 16K host page size:
> ==== Test Assertion Failure ====
> lib/kvm_util.c:991: vm_adjust_num_guest_pages(vm->mode, npages) == npages
> pid=873 tid=873 errno=0 - Success
> 1 0x0000000000405a27: vm_mem_add at kvm_util.c:991
> 2 0x000000000040241f: check_steal_time_uapi at steal_time.c:223 (discriminator 7)
> 3 (inlined by) main at steal_time.c:539 (discriminator 7)
> 4 0x00007fff8b57af3b: ?? ??:0
> 5 0x00007fff8b57b007: ?? ??:0
> 6 0x0000000000402b6f: _start at ??:?
> Number of guest pages is not compatible with the host. Try npages=4
>
> Fixes: fc240715fc50 ("KVM: selftests: arm64: Fix steal_time test after UAPI refactoring")
> Reported-by: Zenghui Yu <zenghui.yu@linux.dev>
> Link: https://lore.kernel.org/kvmarm/7575a845-a542-4b16-b512-aec3126f97f3@linux.dev/T/#u
> Signed-off-by: Sebastian Ott <sebott@redhat.com>
> ---
> tools/testing/selftests/kvm/steal_time.c | 30 ++++++++++++++++--------
> 1 file changed, 20 insertions(+), 10 deletions(-)
Reviewed-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>
Thanks,
Zenghui
next prev parent reply other threads:[~2026-09-15 1:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 13:10 [PATCH v2] KVM: selftests: fix steal_time for arm64 with host page size > 4K Sebastian Ott
2026-09-15 1:50 ` Zenghui Yu [this message]
2026-09-15 22:25 ` Oliver Upton
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