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AJvYcCW245sU/oaihOD9au5J5mxTfqbixRXk7Qr7LrLlzcbUI2iOa/QHzXopxgKxFxhrKhXUOlp+Cn6Hq6aTvf0=@vger.kernel.org X-Gm-Message-State: AOJu0YwOs4v0iP9SlviQoJBURCtLcS0cF8DOiUJ+HqdhGy2ZEQjcvKTX SqWTfIpT5Wh6X7x1a2uDtheYMfYQgqV7XAAP5zwGC24A8hbYG4WIk9u2g7jyCbuA/fbEiLifkPB mDsvbRhaF9DseaBm9nw== X-Google-Smtp-Source: AGHT+IE5vJKdBIol6yLO/bCx7LzYtkzGMj0nrEKYhdyPGNNYWWWO3Zt70S5/gUk7SHW9elNAbwwPb9/d1PnA+b6V X-Received: from vsvj21.prod.google.com ([2002:a05:6102:3e15:b0:4af:dea8:7367]) (user=jthoughton job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6102:41a7:b0:4b1:1a11:95f8 with SMTP id ada2fe7eead31-4b3d0da8f06mr8495356137.11.1736455802892; Thu, 09 Jan 2025 12:50:02 -0800 (PST) Date: Thu, 9 Jan 2025 20:49:25 +0000 In-Reply-To: <20250109204929.1106563-1-jthoughton@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250109204929.1106563-1-jthoughton@google.com> X-Mailer: git-send-email 2.47.1.613.gc27f4b7a9f-goog Message-ID: <20250109204929.1106563-10-jthoughton@google.com> Subject: [PATCH v2 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 , wei.w.wang@intel.com, 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 2.47.1.613.gc27f4b7a9f-goog