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 1659EA0551; Tue, 28 Jun 2022 11:01:26 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9DE7240691; Tue, 28 Jun 2022 11:01:25 +0200 (CEST) Received: from shelob.oktetlabs.ru (shelob.oktetlabs.ru [91.220.146.113]) by mails.dpdk.org (Postfix) with ESMTP id 5D71D400D7; Tue, 28 Jun 2022 11:01:24 +0200 (CEST) Received: from [192.168.1.39] (unknown [188.170.75.69]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by shelob.oktetlabs.ru (Postfix) with ESMTPSA id 470B5AA; Tue, 28 Jun 2022 12:01:23 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 shelob.oktetlabs.ru 470B5AA DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=oktetlabs.ru; s=default; t=1656406883; bh=uXOUR6g4hYyFtDWbtZ6CLYUd9iVm+PY0UQxZTk2vYfU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=v6BAPGy+ZRzRWBxnk6nYIaV0+Y04n5zaoaliD2Iqsxg/RnDRXhW3yiDJT7JIl0E/N mzG5jRbpylNvCvveRxBWsOyLzRphRi6fZLaIZySnlwIEPoBipVrAF4B37lyQuXi8Nw 1S6FRKg6mr7xPqYcxREkx8TOpRnquCDiYuKtoLWM= Message-ID: <67420ced-aab7-db99-115f-141d3c927d49@oktetlabs.ru> Date: Tue, 28 Jun 2022 12:01:22 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v2] vdpa/sfc: handle sync issue between qemu and vhost-user Content-Language: en-US To: abhimanyu.saini@xilinx.com, dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, stable@dpdk.org, Abhimanyu Saini , Vijay Kumar Srivastava References: <20220627084917.2295-1-asaini@xilinx.com> <20220628052926.21319-1-asaini@xilinx.com> From: Andrew Rybchenko In-Reply-To: <20220628052926.21319-1-asaini@xilinx.com> Content-Type: text/plain; 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 6/28/22 08:29, abhimanyu.saini@xilinx.com wrote: > From: Abhimanyu Saini > > When DPDK app is running in the VF, it sometimes rings the doorbell > before dev_config has had a chance to complete and hence it misses > the event. As workaround, ring the doorbell when vDPA reports the > notify_area to QEMU. > > Fixes: 630be406dcbf ("vdpa/sfc: get queue notify area info") > Cc: stable@dpdk.org > > Signed-off-by: Vijay Kumar Srivastava > Signed-off-by: Abhimanyu Saini Acked-by: Andrew Rybchenko