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AJvYcCXEvgPSNRVzzO/gngWZPzaEE9mDy9A155cud40Fc7VQF3q0hRV5/qak0K54MtB3yoFFJKoFNnXCCSDJPBw=@vger.kernel.org X-Gm-Message-State: AOJu0YyHIc8cUQk8LtSounae0ce9hH4QVGCf+c1a6T1VCdxkpJeEUjsd Mybf/+7rvUVJflfGV78sM40b33+k23qRlLjEQRBSpBbHBzywle91bDZQjF9BBi8jeMKa/KXbxM6 EA1foVR2ODo0S639NQQ== X-Google-Smtp-Source: AGHT+IGl8+Y6jXlfDxpaeYQWcz7MkBYaeVCfdRzcMWgZ4EOOrzmqxMS37+BVzh9ZHq4dtxMyhyVDFBoslVL+V2Wp X-Received: from uabih6.prod.google.com ([2002:a05:6130:1f06:b0:85b:c307:6bbd]) (user=jthoughton job=prod-delivery.src-stubby-dispatcher) by 2002:a05:620a:44c4:b0:7b1:52a9:ae1a with SMTP id af79cd13be357-7b6a5d2aa5bmr858557685a.4.1733339663968; Wed, 04 Dec 2024 11:14:23 -0800 (PST) Date: Wed, 4 Dec 2024 19:13:44 +0000 In-Reply-To: <20241204191349.1730936-1-jthoughton@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241204191349.1730936-1-jthoughton@google.com> X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog Message-ID: <20241204191349.1730936-10-jthoughton@google.com> Subject: [PATCH v1 09/13] KVM: selftests: Add va_start/end into uffd_desc From: James Houghton To: Paolo Bonzini , Sean Christopherson Cc: Jonathan Corbet , Marc Zyngier , Oliver Upton , Yan Zhao , James Houghton , Nikita Kalyazin , Anish Moorthy , Peter Gonda , Peter Xu , David Matlack , Wang@google.com, Wei W , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This will be used for the self-test to look up which userfaultfd we should be using when handling a KVM Userfault (in the event KVM Userfault and userfaultfd are being used together). Signed-off-by: James Houghton --- tools/testing/selftests/kvm/include/userfaultfd_util.h | 2 ++ tools/testing/selftests/kvm/lib/userfaultfd_util.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/tools/testing/selftests/kvm/include/userfaultfd_util.h b/tools= /testing/selftests/kvm/include/userfaultfd_util.h index 60f7f9d435dc..b62fecdfe745 100644 --- a/tools/testing/selftests/kvm/include/userfaultfd_util.h +++ b/tools/testing/selftests/kvm/include/userfaultfd_util.h @@ -30,6 +30,8 @@ struct uffd_desc { int *pipefds; pthread_t *readers; struct uffd_reader_args *reader_args; + void *va_start; + void *va_end; }; =20 struct uffd_desc *uffd_setup_demand_paging(int uffd_mode, useconds_t delay, diff --git a/tools/testing/selftests/kvm/lib/userfaultfd_util.c b/tools/tes= ting/selftests/kvm/lib/userfaultfd_util.c index 7c9de8414462..93004c85bcdc 100644 --- a/tools/testing/selftests/kvm/lib/userfaultfd_util.c +++ b/tools/testing/selftests/kvm/lib/userfaultfd_util.c @@ -152,6 +152,8 @@ struct uffd_desc *uffd_setup_demand_paging(int uffd_mod= e, useconds_t delay, expected_ioctls, "missing userfaultfd ioctls"); =20 uffd_desc->uffd =3D uffd; + uffd_desc->va_start =3D hva; + uffd_desc->va_end =3D (char *)hva + len; for (i =3D 0; i < uffd_desc->num_readers; ++i) { int pipes[2]; =20 --=20 2.47.0.338.g60cca15819-goog