From: Paolo Bonzini <pbonzini@redhat.com>
To: Thomas Huth <thuth@redhat.com>,
kvm@vger.kernel.org,
Christian Borntraeger <borntraeger@de.ibm.com>,
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 13:35:21 +0200 [thread overview]
Message-ID: <3092bab6-8ab9-c404-a5bb-64ca89eccd12@redhat.com> (raw)
In-Reply-To: <20190730100112.18205-3-thuth@redhat.com>
On 30/07/19 12:01, Thomas Huth wrote:
> +#ifdef __s390x__
> + /*
> + * On s390x, all pages of a 1M segment are initially marked as dirty
> + * when a page of the segment is written to for the very first time.
> + * To compensate this specialty in this test, we need to touch all
> + * pages during the first iteration.
> + */
> + for (i = 0; i < guest_num_pages; i++) {
> + addr = guest_test_virt_mem + i * guest_page_size;
> + *(uint64_t *)addr = READ_ONCE(iteration);
> + }
> +#endif
Go ahead and make this unconditional.
Paolo
next prev parent reply other threads:[~2019-07-30 11:35 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 [this message]
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
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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