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Tsirkin" , Gautam Dawar , Lei Yang , Harpreet Singh Anand , Shannon Nelson , Liuxiangdong , Cindy Lu , Parav Pandit , Zhu Lingshan , virtualization@lists.linux-foundation.org, Eli Cohen , si-wei.liu@oracle.com, longpeng2@huawei.com, Jason Wang , alvaro.karsz@solid-run.com, Stefan Hajnoczi , Stefano Garzarella , "Gonglei (Arei)" Subject: [PATCH v5 02/14] vdpa: Remember last call fd set Date: Fri, 3 Mar 2023 18:24:33 +0100 Message-Id: <20230303172445.1089785-3-eperezma@redhat.com> In-Reply-To: <20230303172445.1089785-1-eperezma@redhat.com> References: <20230303172445.1089785-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1677864319608100003 As SVQ can be enabled dynamically at any time, it needs to store call fd always. Signed-off-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-vdpa.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index df3a1e92ac..108cd63289 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1227,16 +1227,16 @@ static int vhost_vdpa_set_vring_call(struct vhost_d= ev *dev, struct vhost_vring_file *file) { struct vhost_vdpa *v =3D dev->opaque; + int vdpa_idx =3D file->index - dev->vq_index; + VhostShadowVirtqueue *svq =3D g_ptr_array_index(v->shadow_vqs, vdpa_id= x); =20 + /* Remember last call fd because we can switch to SVQ anytime. */ + vhost_svq_set_svq_call_fd(svq, file->fd); if (v->shadow_vqs_enabled) { - int vdpa_idx =3D file->index - dev->vq_index; - VhostShadowVirtqueue *svq =3D g_ptr_array_index(v->shadow_vqs, vdp= a_idx); - - vhost_svq_set_svq_call_fd(svq, file->fd); return 0; - } else { - return vhost_vdpa_set_vring_dev_call(dev, file); } + + return vhost_vdpa_set_vring_dev_call(dev, file); } =20 static int vhost_vdpa_get_features(struct vhost_dev *dev, --=20 2.31.1