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Tsirkin" , Lei Yang , Stefano Garzarella Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Dec 1, 2025 at 8:51=E2=80=AFPM Eugenio P=C3=A9rez wrote: > > The device is not able to generate indirect descriptors by itself, only > the driver can do it. And SVQ is already able to handle them by reusing > VirtQueue struct. > > Shadow VirtQueue just transform the indirect descriptors to chained > buffers. This way we don't need to map a new buffer for the indirect > table and handle its exhaustion etc. As they are only used in control > plane and HW devices don't like indirect, we should not see significant > downsides with these. > > Signed-off-by: Eugenio P=C3=A9rez > -- > Acked-by: Jason Wang Thanks