From patchwork Mon Jun 28 10:03:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseny Krasnov X-Patchwork-Id: 468641 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=-19.1 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=ham 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 BC9E0C2B9F4 for ; Mon, 28 Jun 2021 10:03:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A281B61205 for ; Mon, 28 Jun 2021 10:03:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232715AbhF1KFi (ORCPT ); Mon, 28 Jun 2021 06:05:38 -0400 Received: from mx13.kaspersky-labs.com ([91.103.66.164]:60606 "EHLO mx13.kaspersky-labs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232600AbhF1KFh (ORCPT ); Mon, 28 Jun 2021 06:05:37 -0400 Received: from relay13.kaspersky-labs.com (unknown [127.0.0.10]) by relay13.kaspersky-labs.com (Postfix) with ESMTP id 7C2385233F0; Mon, 28 Jun 2021 13:03:10 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kaspersky.com; s=mail202102; t=1624874590; bh=gorRHF6d/IjqgjF6uRdMAI4g574e+Vzf0kAPJLRZjjM=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=0u8fM3bEGslvUTGvzzUDhwahxAwZYTwn+k4S3m+SpKMh6dIpG3qUVUyeXFUBQfPfj igOSHpttRYcAylk/A5ULwjT570/m4PPkmCG4rV3FV3LVtNyzn1oY6vaVHuzL0x2mz5 PvGqI398PK7hkZk6NQpibmDVNz8klBeGoOyAq+fyDIkgSdihCacBvRhekyB1DkTl2w twhZ4AyIsiO0ywVgz5Hu8ATf5bHss9LNN6AFFUx5sM7UAisVRmxnAl4zQr1r6Y8ndZ NC0zIRXcS2B+lqEEdW7PoriA4rtHS7VMCPutpNpCi4LXHIVFfpTK7ixh3QV6a+azNp r8R3rCWvW9V6A== 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 mailhub13.kaspersky-labs.com (Postfix) with ESMTPS id 32FDE5233EF; Mon, 28 Jun 2021 13:03:10 +0300 (MSK) Received: from arseniy-pc.avp.ru (10.64.64.121) 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; Mon, 28 Jun 2021 13:03:09 +0300 From: Arseny Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Arseny Krasnov , Andra Paraschiv , Colin Ian King , Norbert Slusarek CC: , , , , Subject: [RFC PATCH v1 06/16] vsock/virtio: remove record size limit for SEQPACKET Date: Mon, 28 Jun 2021 13:03:01 +0300 Message-ID: <20210628100304.570838-1-arseny.krasnov@kaspersky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210628095959.569772-1-arseny.krasnov@kaspersky.com> References: <20210628095959.569772-1-arseny.krasnov@kaspersky.com> MIME-Version: 1.0 X-Originating-IP: [10.64.64.121] X-ClientProxiedBy: hqmailmbx3.avp.ru (10.64.67.243) 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: 06/28/2021 09:47:58 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 164664 [Jun 28 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_domain_doesnt_match_to} X-KSE-AntiSpam-Info: kaspersky.com:7.1.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; arseniy-pc.avp.ru:7.1.1; 127.0.0.199:7.1.2 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: 06/28/2021 09:51:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 28.06.2021 5:59:00 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: 2021/06/28 08:23:00 X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, bases: 2021/06/28 05:40:00 #16806866 X-KLMS-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: netdev@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 bc25961509e0..84431d7a87a5 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -503,17 +503,6 @@ 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);