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Tsirkin" To: Eugenio =?iso-8859-1?Q?P=E9rez?= Cc: qemu-devel@nongnu.org, Liuxiangdong , Parav Pandit , Harpreet Singh Anand , Laurent Vivier , Zhu Lingshan , Gautam Dawar , Eli Cohen , Stefano Garzarella , Cindy Lu , Jason Wang , Si-Wei Liu Subject: Re: [PATCH 0/4] Shadow VirtQueue event index support Message-ID: <20221026165830-mutt-send-email-mst@kernel.org> References: <20221020155251.398735-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20221020155251.398735-1-eperezma@redhat.com> Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.515, 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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Oct 20, 2022 at 05:52:47PM +0200, Eugenio Pérez wrote: > Event idx helps to reduce the number of notifications between the device > and the driver. It allows them to specify an index on the circular > descriptors rings where to issue the notification, instead of a single > binary indicator. > > Adding support for SVQ. Jason seems to be taking this through net Reviewed-by: Michael S. Tsirkin > These patches are sent on top of [1] series, so trivial conflicts could arise > if it is applied directly on master. Future versions can be not based on > it is more convenient. > > [1] https://lists.nongnu.org/archive/html/qemu-devel/2022-10/msg03280.html > > Eugenio Pérez (4): > vhost: allocate event_idx fields on vring > vhost: toggle device callbacks using used event idx > vhost: use avail event idx on vhost_svq_kick > vhost: Accept event idx flag > > hw/virtio/vhost-shadow-virtqueue.c | 39 ++++++++++++++++++++++++------ > 1 file changed, 31 insertions(+), 8 deletions(-) > > -- > 2.31.1 >