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Tsirkin" , Cindy Lu , Jason Wang Subject: [RFC PATCH v9 10/23] vhost: Reorder vhost_svq_last_desc_of_chain Date: Wed, 6 Jul 2022 20:39:55 +0200 Message-Id: <20220706184008.1649478-11-eperezma@redhat.com> In-Reply-To: <20220706184008.1649478-1-eperezma@redhat.com> References: <20220706184008.1649478-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 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+importer=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: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1657133929040100001 SVQ is going to store it in SVQElement, so we need it before add functions. Signed-off-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-shadow-virtqueue.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index 913bca8769..cf1745fd4d 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -218,6 +218,16 @@ static bool vhost_svq_add_split(VhostShadowVirtqueue *= svq, return true; } =20 +static uint16_t vhost_svq_last_desc_of_chain(const VhostShadowVirtqueue *s= vq, + uint16_t num, uint16_t i) +{ + for (uint16_t j =3D 0; j < (num - 1); ++j) { + i =3D le16_to_cpu(svq->desc_next[i]); + } + + return i; +} + /** * Add an element to a SVQ. * @@ -375,16 +385,6 @@ static void vhost_svq_disable_notification(VhostShadow= Virtqueue *svq) svq->vring.avail->flags |=3D cpu_to_le16(VRING_AVAIL_F_NO_INTERRUPT); } =20 -static uint16_t vhost_svq_last_desc_of_chain(const VhostShadowVirtqueue *s= vq, - uint16_t num, uint16_t i) -{ - for (uint16_t j =3D 0; j < (num - 1); ++j) { - i =3D le16_to_cpu(svq->desc_next[i]); - } - - return i; -} - static bool vhost_svq_is_empty_elem(SVQElement elem) { return elem.elem =3D=3D NULL; --=20 2.31.1