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 88B92C7EE25 for ; Fri, 9 Jun 2023 09:31:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241554AbjFIJbk (ORCPT ); Fri, 9 Jun 2023 05:31:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241474AbjFIJbQ (ORCPT ); Fri, 9 Jun 2023 05:31:16 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F0376EAE for ; Fri, 9 Jun 2023 02:25:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686302700; 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=BSYu94PSBBeau34XT4dGzInntObCc6c7/xjwJmmjNHA=; b=HQJlwRNSDdOttwjngS6GaFluxSjDRTLzruecnjXuDkI7NQ7ZXgP83FNk7WT2sgKJRtQLhJ iKsDY2kyxYdI6N1qc/p9tdcrnT/sgTasBG6ez6SpPN9nrjIeW/kLpWwLxWjNlkdT4XnELh vwFV2s1B4jFmyJMeF6sHuRDjk6Krvtg= 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-625-xyILRbHZOBWmGloccysoMQ-1; Fri, 09 Jun 2023 05:21:40 -0400 X-MC-Unique: xyILRbHZOBWmGloccysoMQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9B03985A5A8; Fri, 9 Jun 2023 09:21:39 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.246]) by smtp.corp.redhat.com (Postfix) with ESMTP id 86DD420268C6; Fri, 9 Jun 2023 09:21:36 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: mst@redhat.com, Jason Wang Cc: Zhu Lingshan , virtualization@lists.linux-foundation.org, "Gonglei (Arei)" , longpeng2@huawei.com, Lei Yang , Parav Pandit , Gautam Dawar , Dragos Tatulea , Laurent Vivier , linux-api@vger.kernel.org, Liuxiangdong , linux-kernel@vger.kernel.org, alvaro.karsz@solid-run.com, Shannon Nelson , Stefano Garzarella , Cindy Lu , si-wei.liu@oracle.com, Harpreet Singh Anand Subject: [PATCH v2 2/4] vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature Date: Fri, 9 Jun 2023 11:21:25 +0200 Message-Id: <20230609092127.170673-3-eperezma@redhat.com> In-Reply-To: <20230609092127.170673-1-eperezma@redhat.com> References: <20230609092127.170673-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Accepting VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature if userland sets it. Signed-off-by: Eugenio Pérez Acked-by: Shannon Nelson --- drivers/vhost/vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index bf77924d5b60..a3204406b73d 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -680,7 +680,8 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, return -EFAULT; if (features & ~(VHOST_VDPA_BACKEND_FEATURES | BIT_ULL(VHOST_BACKEND_F_SUSPEND) | - BIT_ULL(VHOST_BACKEND_F_RESUME))) + BIT_ULL(VHOST_BACKEND_F_RESUME) | + BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK))) return -EOPNOTSUPP; if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) && !vhost_vdpa_can_suspend(v)) -- 2.31.1