From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A09D5C4332F for ; Thu, 20 Oct 2022 16:14:41 +0000 (UTC) Received: from localhost ([::1]:46324 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olYBs-0006bt-7F for qemu-devel@archiver.kernel.org; Thu, 20 Oct 2022 12:14:40 -0400 Received: from [::1] (helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olY6e-0005j9-PD for qemu-devel@archiver.kernel.org; Thu, 20 Oct 2022 12:09:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58026) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1olXrS-0006Q0-Iw for qemu-devel@nongnu.org; Thu, 20 Oct 2022 11:53:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:49719) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1olXrC-00065J-Bl for qemu-devel@nongnu.org; Thu, 20 Oct 2022 11:53:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1666281194; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=xePMAbB6TuUMKDZBvP5YKkyZHr0BKWOTXCcOOq0zH+g=; b=FhbUuVYq7MYhuFhGUshTjnitwcjZWIYKY6QhaDu1pKagZ6oofcXVdkrLn/gVFK5jz52Le7 mfwpVQkk7V03O2YhQm4Jx6lVuxCrhkdP3BH/WlfY9iR+klk+ExpJRqAQhKItxp3lOqRYxF QEOhh/2VBY65B6g+vjfguR4s38pDCLU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-214--m6FXL6eNMe8geXhiZ4hHQ-1; Thu, 20 Oct 2022 11:53:11 -0400 X-MC-Unique: -m6FXL6eNMe8geXhiZ4hHQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DB36A1C08976; Thu, 20 Oct 2022 15:53:10 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.230]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9DBA240CA41E; Thu, 20 Oct 2022 15:52:57 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Liuxiangdong , Parav Pandit , Harpreet Singh Anand , "Michael S. Tsirkin" , Laurent Vivier , Zhu Lingshan , Gautam Dawar , Eli Cohen , Stefano Garzarella , Cindy Lu , Jason Wang , Si-Wei Liu Subject: [PATCH 0/4] Shadow VirtQueue event index support Date: Thu, 20 Oct 2022 17:52:47 +0200 Message-Id: <20221020155251.398735-1-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 10.11.54.1 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: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.251, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Event idx helps to reduce the number of notifications between the device=0D and the driver. It allows them to specify an index on the circular=0D descriptors rings where to issue the notification, instead of a single=0D binary indicator.=0D =0D Adding support for SVQ.=0D =0D These patches are sent on top of [1] series, so trivial conflicts could ari= se=0D if it is applied directly on master. Future versions can be not based on=0D it is more convenient.=0D =0D [1] https://lists.nongnu.org/archive/html/qemu-devel/2022-10/msg03280.html= =0D =0D Eugenio P=C3=A9rez (4):=0D vhost: allocate event_idx fields on vring=0D vhost: toggle device callbacks using used event idx=0D vhost: use avail event idx on vhost_svq_kick=0D vhost: Accept event idx flag=0D =0D hw/virtio/vhost-shadow-virtqueue.c | 39 ++++++++++++++++++++++++------=0D 1 file changed, 31 insertions(+), 8 deletions(-)=0D =0D -- =0D 2.31.1=0D =0D