From: Paolo Bonzini <pbonzini@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>,
Thomas Huth <thuth@redhat.com>,
kvm@vger.kernel.org, Janosch Frank <frankja@linux.ibm.com>
Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-s390@vger.kernel.org,
"David Hildenbrand" <david@redhat.com>,
"Cornelia Huck" <cohuck@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Shuah Khan" <shuah@kernel.org>, "Peter Xu" <peterx@redhat.com>
Subject: Re: [PATCH 2/2] KVM: selftests: Enable dirty_log_test on s390x
Date: Tue, 30 Jul 2019 21:06:03 +0200 [thread overview]
Message-ID: <e9cd12ce-d4cf-95b7-15f8-84112527f6a7@redhat.com> (raw)
In-Reply-To: <d48ac43b-c960-54af-a145-360a67b4a3d9@de.ibm.com>
On 30/07/19 16:57, Christian Borntraeger wrote:
> While this fixes the test (and the migration does work fine), it still
> means that s390x overindicates the dirty bit for sparsely populated
> 1M segments. It is just a performance issue, but maybe we should try
> to get this fixed. Not sure what to do here to remember us about this,
> adding this as expected fail?
if it's only on the first access after enabling dirty logging, that
shouldn't be that bad?
Paolo
next prev parent reply other threads:[~2019-07-30 19:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 10:01 [PATCH 0/2] KVM: selftests: Enable ucall and dirty_log_test on s390x Thomas Huth
2019-07-30 10:01 ` [PATCH 1/2] KVM: selftests: Implement ucall() for s390x Thomas Huth
2019-07-30 10:48 ` Andrew Jones
2019-07-31 9:43 ` Thomas Huth
2019-07-31 10:28 ` Andrew Jones
2019-07-31 11:16 ` Thomas Huth
2019-07-31 12:57 ` Paolo Bonzini
2019-07-31 13:05 ` Andrew Jones
2019-07-30 10:01 ` [PATCH 2/2] KVM: selftests: Enable dirty_log_test on s390x Thomas Huth
2019-07-30 10:57 ` Andrew Jones
2019-07-31 8:19 ` Thomas Huth
2019-07-31 8:44 ` Andrew Jones
2019-07-31 12:58 ` Paolo Bonzini
2019-07-30 11:35 ` Paolo Bonzini
2019-07-30 14:57 ` Christian Borntraeger
2019-07-30 17:11 ` Thomas Huth
2019-07-30 18:04 ` Christian Borntraeger
2019-07-31 11:06 ` David Hildenbrand
2019-07-30 19:06 ` Paolo Bonzini [this message]
2019-07-31 7:16 ` Christian Borntraeger
2019-07-30 11:36 ` [PATCH 0/2] KVM: selftests: Enable ucall and " Paolo Bonzini
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