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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F131C433F5 for ; Mon, 25 Apr 2022 02:45:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234047AbiDYCsg (ORCPT ); Sun, 24 Apr 2022 22:48:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240439AbiDYCsR (ORCPT ); Sun, 24 Apr 2022 22:48:17 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 86BD15F72 for ; Sun, 24 Apr 2022 19:45:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650854708; 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: in-reply-to:in-reply-to:references:references; bh=0JYFrCznPCe42CEJDCpcgcO1AQ7TAwNbjiA53zvbLbI=; b=HMVFR7EdRffz7Z5xyZgftWi3lKRTCkGt4yUfcghPppNasgflLBJqBTIOWIia9kZIRRGCsp NmECHCUgLPCMwX3eitS16kmy6x0o9EENKozV08HrbMEq8eRIK0n1PiI5I/phUBynWPxwhi C3rnUfdWc//h1WF2MCQP1daHcnmGkxo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-438-z7RgEV4RMzGeqRJIVscmnQ-1; Sun, 24 Apr 2022 22:45:05 -0400 X-MC-Unique: z7RgEV4RMzGeqRJIVscmnQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 88FEA80005D; Mon, 25 Apr 2022 02:45:04 +0000 (UTC) Received: from localhost.localdomain (ovpn-13-160.pek2.redhat.com [10.72.13.160]) by smtp.corp.redhat.com (Postfix) with ESMTP id DB5A79E71; Mon, 25 Apr 2022 02:44:57 +0000 (UTC) From: Jason Wang To: jasowang@redhat.com, mst@redhat.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Cc: sgarzare@redhat.com, eperezma@redhat.com, lulu@redhat.com, tglx@linutronix.de, peterz@infradead.org, paulmck@kernel.org, maz@kernel.org, pasic@linux.ibm.com, cohuck@redhat.com Subject: [PATCH V3 4/9] virtio-pci: implement synchronize_cbs() Date: Mon, 25 Apr 2022 10:44:13 +0800 Message-Id: <20220425024418.8415-5-jasowang@redhat.com> In-Reply-To: <20220425024418.8415-1-jasowang@redhat.com> References: <20220425024418.8415-1-jasowang@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We can simply reuse vp_synchronize_vectors() for .synchronize_cbs(). Cc: Thomas Gleixner Cc: Peter Zijlstra Cc: "Paul E. McKenney" Cc: Marc Zyngier Cc: Halil Pasic Cc: Cornelia Huck Signed-off-by: Jason Wang --- drivers/virtio/virtio_pci_common.h | 2 ++ drivers/virtio/virtio_pci_legacy.c | 1 + drivers/virtio/virtio_pci_modern.c | 2 ++ 3 files changed, 5 insertions(+) diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index eb17a29fc7ef..2b84d5c1b5bc 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -105,6 +105,8 @@ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) void vp_synchronize_vectors(struct virtio_device *vdev); /* the notify function used when creating a virt queue */ bool vp_notify(struct virtqueue *vq); +/* synchronize with callbacks */ +void vp_synchronize_vqs(struct virtio_device *vdev); /* the config->del_vqs() implementation */ void vp_del_vqs(struct virtio_device *vdev); /* the config->find_vqs() implementation */ diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c index 6f4e34ce96b8..207985107150 100644 --- a/drivers/virtio/virtio_pci_legacy.c +++ b/drivers/virtio/virtio_pci_legacy.c @@ -192,6 +192,7 @@ static const struct virtio_config_ops virtio_pci_config_ops = { .reset = vp_reset, .find_vqs = vp_find_vqs, .del_vqs = vp_del_vqs, + .synchronize_cbs = vp_synchronize_vectors, .get_features = vp_get_features, .finalize_features = vp_finalize_features, .bus_name = vp_bus_name, diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index a2671a20ef77..18c2190e3059 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -394,6 +394,7 @@ static const struct virtio_config_ops virtio_pci_config_nodev_ops = { .reset = vp_reset, .find_vqs = vp_modern_find_vqs, .del_vqs = vp_del_vqs, + .synchronize_cbs = vp_synchronize_vectors, .get_features = vp_get_features, .finalize_features = vp_finalize_features, .bus_name = vp_bus_name, @@ -411,6 +412,7 @@ static const struct virtio_config_ops virtio_pci_config_ops = { .reset = vp_reset, .find_vqs = vp_modern_find_vqs, .del_vqs = vp_del_vqs, + .synchronize_cbs = vp_synchronize_vectors, .get_features = vp_get_features, .finalize_features = vp_finalize_features, .bus_name = vp_bus_name, -- 2.25.1