From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3C996424D1; Wed, 12 Jun 2024 10:30:19 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2562440DDA; Wed, 12 Jun 2024 10:30:19 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 7A2E040DD1 for ; Wed, 12 Jun 2024 10:30:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718181018; 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:autocrypt:autocrypt; bh=lYRazoR9Fc9x/+ClmYQREXuTx05jbs3tA61qTCKWtvc=; b=Q8eQdkZzIdx8prMNoHZ0Zkpwqx+uE1lNf9/e58xvpHCV5LR4KVbLlmrt5Mzy7itbIq7diP njYsIJGgM7fRn/ThVv3dteFu4liOP8mJ2FyW2mRyuqmB+FRup3JdUXzQQFJa/fZsJiHOOa RD9paeoZKnjD0wrGHgp0pJuj8wBZQX4= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-106-Xxp85YxGM8K_Xbr898mdJw-1; Wed, 12 Jun 2024 04:30:11 -0400 X-MC-Unique: Xxp85YxGM8K_Xbr898mdJw-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 89AA419560B5; Wed, 12 Jun 2024 08:30:10 +0000 (UTC) Received: from [10.39.208.16] (unknown [10.39.208.16]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4D8B819560AA; Wed, 12 Jun 2024 08:30:08 +0000 (UTC) Message-ID: <87ec8293-1fb4-42d9-a992-889f6963998b@redhat.com> Date: Wed, 12 Jun 2024 10:30:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] vhost: cleanup vq resubmit info when set_inflight_fd To: Haoqian He , dev@dpdk.org Cc: Chenbo Xia References: <20240321095805.923117-1-haoqian.he@smartx.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 3/21/24 10:57, Haoqian He wrote: > We should cleanup vq resubmit info when set_inflight_fd > before set_vring_kick which will check if there is any > inflight io waiting for resubmission. > > Otherwise, when the vm is rebooting immediately after > reconnecting to the vhost target (inflight io has not > been resubmitted yet), the vhost backend still use the > old resubmit info set when reconnection. > > Signed-off-by: Haoqian He > --- > lib/vhost/vhost_user.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c > index 414192500e..7c54afc5fb 100644 > --- a/lib/vhost/vhost_user.c > +++ b/lib/vhost/vhost_user.c > @@ -1871,6 +1871,7 @@ vhost_user_set_inflight_fd(struct virtio_net **pdev, > if (!vq) > continue; > > + cleanup_vq_inflight(dev, vq); > if (vq_is_packed(dev)) { > vq->inflight_packed = addr; > vq->inflight_packed->desc_num = queue_size; Applied to next-virtio/for-next-net. Thanks, Maxime