From patchwork Sun Jul 4 08:10:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseny Krasnov X-Patchwork-Id: 12357287 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F461C07E96 for ; Sun, 4 Jul 2021 08:11:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A715613F1 for ; Sun, 4 Jul 2021 08:11:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbhGDINi (ORCPT ); Sun, 4 Jul 2021 04:13:38 -0400 Received: from mx12.kaspersky-labs.com ([91.103.66.155]:54670 "EHLO mx12.kaspersky-labs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229951AbhGDINh (ORCPT ); Sun, 4 Jul 2021 04:13:37 -0400 Received: from relay12.kaspersky-labs.com (unknown [127.0.0.10]) by relay12.kaspersky-labs.com (Postfix) with ESMTP id 085B275BEE; Sun, 4 Jul 2021 11:11:01 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kaspersky.com; s=mail202102; t=1625386261; bh=LuJjRY82zTnA9mN/A9Qke4o/Lwm3BTwLfaEmmDDmvXQ=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=JMAdMTRYWA7Yi0xCQGA25BI9ElWtFAiZloQ4hbrE8LYmI1nPO2OeCUxrFKnOzhWCF sU6x1r/sHWXSIZB5Cyz48UYsnuxNfcKN9zYGaXUm3ntP5z28rQEz3EBh1HZb0NAwW1 F2cl22MW3h02RHoUVV3FVx78onX7RcMy3IdvRG3GRBAy+TPLRQCX+W0eIraCMpSJ5e nisG3+2jPg5KxSL9X1JzipU81uZD04azZoHIguApEGh4H+K+k6Dkxzvjqsqhr+foVb 4dKCh+/WZBOLH7o8VcjeQf6cxJADhtqWNA3vjwhime2rnwXI//aIGDDcv4SsYdccLK t+7vw7gq2DGCg== Received: from mail-hq2.kaspersky.com (unknown [91.103.66.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client CN "mail-hq2.kaspersky.com", Issuer "Kaspersky MailRelays CA G3" (verified OK)) by mailhub12.kaspersky-labs.com (Postfix) with ESMTPS id C447C7708E; Sun, 4 Jul 2021 11:11:00 +0300 (MSK) Received: from arseniy-pc.avp.ru (10.64.68.129) by hqmailmbx3.avp.ru (10.64.67.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.14; Sun, 4 Jul 2021 11:11:00 +0300 From: Arseny Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Arseny Krasnov , Jorgen Hansen , Colin Ian King , Norbert Slusarek , Andra Paraschiv CC: , , , , Subject: [RFC PATCH v2 5/6] virtio/vsock: remove record size limit for SEQPACKET Date: Sun, 4 Jul 2021 11:10:52 +0300 Message-ID: <20210704081055.89685-1-arseny.krasnov@kaspersky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210704080820.88746-1-arseny.krasnov@kaspersky.com> References: <20210704080820.88746-1-arseny.krasnov@kaspersky.com> MIME-Version: 1.0 X-Originating-IP: [10.64.68.129] X-ClientProxiedBy: hqmailmbx2.avp.ru (10.64.67.242) To hqmailmbx3.avp.ru (10.64.67.243) X-KSE-ServerInfo: hqmailmbx3.avp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 07/04/2021 07:43:44 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 164820 [Jul 03 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: arseny.krasnov@kaspersky.com X-KSE-AntiSpam-Info: LuaCore: 448 448 71fb1b37213ce9a885768d4012c46ac449c77b17 X-KSE-AntiSpam-Info: {Tracking_from_exist} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: kaspersky.com:7.1.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;arseniy-pc.avp.ru:7.1.1 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 07/04/2021 07:45:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 04.07.2021 5:50:00 X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit X-KLMS-Rule-ID: 52 X-KLMS-Message-Action: clean X-KLMS-AntiSpam-Status: not scanned, disabled by settings X-KLMS-AntiSpam-Interceptor-Info: not scanned X-KLMS-AntiPhishing: Clean, bases: 2021/07/04 06:12:00 X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, bases: 2021/07/04 01:03:00 #16855183 X-KLMS-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Remove record size limit which was 'peer_buf_alloc' value. New approach doesn't need this, because data is copied to user's buffer in stream manner(we don't wait until whole record is received). Signed-off-by: Arseny Krasnov --- net/vmw_vsock/virtio_transport_common.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 52765754edcd..5cfdf701a8af 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -507,17 +507,6 @@ virtio_transport_seqpacket_enqueue(struct vsock_sock *vsk, struct msghdr *msg, size_t len) { - struct virtio_vsock_sock *vvs = vsk->trans; - - spin_lock_bh(&vvs->tx_lock); - - if (len > vvs->peer_buf_alloc) { - spin_unlock_bh(&vvs->tx_lock); - return -EMSGSIZE; - } - - spin_unlock_bh(&vvs->tx_lock); - return virtio_transport_stream_enqueue(vsk, msg, len); } EXPORT_SYMBOL_GPL(virtio_transport_seqpacket_enqueue);