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 X-Spam-Level: X-Spam-Status: No, score=-16.3 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 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 72845C433DB for ; Thu, 11 Feb 2021 14:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EDCE64E7E for ; Thu, 11 Feb 2021 14:46:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229564AbhBKOpX (ORCPT ); Thu, 11 Feb 2021 09:45:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:24275 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230388AbhBKOk7 (ORCPT ); Thu, 11 Feb 2021 09:40:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613054368; 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: in-reply-to:in-reply-to:references:references; bh=cQ4WX5LrjUBO2B/BlX8QGxVMDWmqK2VEqVOioz82st4=; b=Pl9+RjeQ9M3GFNrhmq1/MzjufeUyFvXKjbsp+80zEKP7XhNNVAH1YbsjHjLUzVMJnG21S1 vau5aytHyxLmMzNeWoyvDHOOqU+thvs7/uT8n+6Hcd88td44KGmpBsk7UI69kdK1JDzvxT d2xRjbVCOEPeoB8kGXVof8A4Gierg1I= Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-594-ZiNDIwDFMDWqFqnq7fZTfw-1; Thu, 11 Feb 2021 09:39:27 -0500 X-MC-Unique: ZiNDIwDFMDWqFqnq7fZTfw-1 Received: by mail-ej1-f71.google.com with SMTP id q11so4886095ejd.0 for ; Thu, 11 Feb 2021 06:39:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=cQ4WX5LrjUBO2B/BlX8QGxVMDWmqK2VEqVOioz82st4=; b=s5Kxc9klAZJldcwczR4nbMHZSY92MYj3Nb1ZJMXHRdZu4lZXBu/3UQi9kxUsviIaiK 2ndy6hKb6DeHAow7kkigm+zOhdcbuEYeFt1mx5OOzrm2rxSE7X2udI1SrgRRROr/e3t8 s8tFzPvJwOeAusnrqySNd/xR+Pg37nvcURnAjbS8qXmntj9alsp7RUoMm29ICb0fs5vY x+CJLgtppBS/wq3eI8gzdboJgxZgAtOpndHSA3zNPehdRj+I1llD7YGFvMBlcIz33qq6 Pm/0zHN6ijco0//SEYqHkoO6Pv2emIXTByhYaFAg/wL4tcKxA7S3J2aOY1dOPUJ1unH1 f6Sg== X-Gm-Message-State: AOAM531y2QR8FeYfAIGUCPpD3yzS8NNjpYvZwzuHYlnGxSfz8bUYRvjl NLCWoB6GtOHmlRLxCPQLG7V3NlIiUiAU1ejP2s/9d7gKL3JVtALL0Sf/8BdpW8f7a9TEoIwZ4Yp VbvGO1jGzo5ly X-Received: by 2002:aa7:da55:: with SMTP id w21mr8927650eds.138.1613054366355; Thu, 11 Feb 2021 06:39:26 -0800 (PST) X-Google-Smtp-Source: ABdhPJzeSfLIg11TiFZiqkHyTCpLEsRrFR4Oa/VLugYW1mgKMahXhYPQG9fA0BChZD7qP/oqS9HACQ== X-Received: by 2002:aa7:da55:: with SMTP id w21mr8927629eds.138.1613054366198; Thu, 11 Feb 2021 06:39:26 -0800 (PST) Received: from steredhat (host-79-34-249-199.business.telecomitalia.it. [79.34.249.199]) by smtp.gmail.com with ESMTPSA id bm9sm4539585ejb.14.2021.02.11.06.39.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 06:39:25 -0800 (PST) Date: Thu, 11 Feb 2021 15:39:22 +0100 From: Stefano Garzarella To: Arseny Krasnov Cc: Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Jorgen Hansen , Andra Paraschiv , Colin Ian King , Alexander Popov , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stsp2@yandex.ru, oxffffaa@gmail.com Subject: Re: [RFC PATCH v4 17/17] virtio/vsock: simplify credit update function API Message-ID: <20210211143922.pfvngujv6k7lutll@steredhat> References: <20210207151259.803917-1-arseny.krasnov@kaspersky.com> <20210207151906.806343-1-arseny.krasnov@kaspersky.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210207151906.806343-1-arseny.krasnov@kaspersky.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Sun, Feb 07, 2021 at 06:19:03PM +0300, Arseny Krasnov wrote: >'virtio_transport_send_credit_update()' has some extra args: >1) 'type' may be set in 'virtio_transport_send_pkt_info()' using type > of socket. >2) This function is static and 'hdr' arg was always NULL. > Okay, I saw this patch after my previous comment. I think this looks good, but please move this before your changes (e.g. before patch 'virtio/vsock: dequeue callback for SOCK_SEQPACKET'). In this way you don't need to modify virtio_transport_notify_buffer_size(), calling virtio_transport_get_type() and then remove these changes. It's generally not a good idea to make changes in a patch and then remove them a few patches later in the same series. This should ring a bell about moving these changes before others. Thanks, Stefano >Signed-off-by: Arseny Krasnov >--- > net/vmw_vsock/virtio_transport_common.c | 20 +++++--------------- > 1 file changed, 5 insertions(+), 15 deletions(-) > >diff --git a/net/vmw_vsock/virtio_transport_common.c >b/net/vmw_vsock/virtio_transport_common.c >index 0aa0fd33e9d6..46308679c8a4 100644 >--- a/net/vmw_vsock/virtio_transport_common.c >+++ b/net/vmw_vsock/virtio_transport_common.c >@@ -286,13 +286,10 @@ void virtio_transport_put_credit(struct virtio_vsock_sock *vvs, u32 credit) > } > EXPORT_SYMBOL_GPL(virtio_transport_put_credit); > >-static int virtio_transport_send_credit_update(struct vsock_sock *vsk, >- int type, >- struct virtio_vsock_hdr *hdr) >+static int virtio_transport_send_credit_update(struct vsock_sock *vsk) > { > struct virtio_vsock_pkt_info info = { > .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE, >- .type = type, > .vsk = vsk, > }; > >@@ -401,9 +398,7 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk, > * with different values. > */ > if (free_space < VIRTIO_VSOCK_MAX_PKT_BUF_SIZE) { >- virtio_transport_send_credit_update(vsk, >- VIRTIO_VSOCK_TYPE_STREAM, >- NULL); >+ virtio_transport_send_credit_update(vsk); > } > > return total; >@@ -525,9 +520,7 @@ size_t virtio_transport_seqpacket_seq_get_len(struct vsock_sock *vsk) > spin_unlock_bh(&vvs->rx_lock); > > if (bytes_dropped) >- virtio_transport_send_credit_update(vsk, >- VIRTIO_VSOCK_TYPE_SEQPACKET, >- NULL); >+ virtio_transport_send_credit_update(vsk); > > return vvs->user_read_seq_len; > } >@@ -624,8 +617,7 @@ static int virtio_transport_seqpacket_do_dequeue(struct vsock_sock *vsk, > > spin_unlock_bh(&vvs->rx_lock); > >- virtio_transport_send_credit_update(vsk, VIRTIO_VSOCK_TYPE_SEQPACKET, >- NULL); >+ virtio_transport_send_credit_update(vsk); > > return err; > } >@@ -735,15 +727,13 @@ EXPORT_SYMBOL_GPL(virtio_transport_do_socket_init); > void virtio_transport_notify_buffer_size(struct vsock_sock *vsk, u64 *val) > { > struct virtio_vsock_sock *vvs = vsk->trans; >- int type; > > if (*val > VIRTIO_VSOCK_MAX_BUF_SIZE) > *val = VIRTIO_VSOCK_MAX_BUF_SIZE; > > vvs->buf_alloc = *val; > >- type = virtio_transport_get_type(sk_vsock(vsk)); >- virtio_transport_send_credit_update(vsk, type, NULL); >+ virtio_transport_send_credit_update(vsk); > } > EXPORT_SYMBOL_GPL(virtio_transport_notify_buffer_size); > >-- >2.25.1 >