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 24BD0A00C5; Tue, 1 Feb 2022 09:24:05 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A8D7F40691; Tue, 1 Feb 2022 09:24:04 +0100 (CET) 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 B086740685 for ; Tue, 1 Feb 2022 09:24:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643703842; 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; bh=v95hAr94ViP7r7/DJjNRvIFeuaU2r52Rz4N4TTUF548=; b=Qu62Zq5VOTU1OHYV3boylLddTJF5KvDAZuPmmp6jjQnlC72JJHsHS0tjgqoPCMNeYBNvn/ 6HuMHr9ldC/EAwwffOg8JNBbZAhO6Yoy0gmyAqiFZpXSvP4HsGgFLv1mJyp5X4x/ev7d0B v+ZTfistbzKh2KI2MktGwBrPDLMhdNQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-590-_nZ2-OO_OvmrDLwLdSQPMA-1; Tue, 01 Feb 2022 03:23:59 -0500 X-MC-Unique: _nZ2-OO_OvmrDLwLdSQPMA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B6847100CCC0; Tue, 1 Feb 2022 08:23:57 +0000 (UTC) Received: from [10.39.208.24] (unknown [10.39.208.24]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 05A7E106F960; Tue, 1 Feb 2022 08:23:55 +0000 (UTC) Message-ID: Date: Tue, 1 Feb 2022 09:23:54 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH] vhost: fix guest physical address to host physical address mapping To: Yuan Wang , chenbo.xia@intel.com Cc: dev@dpdk.org, jiayu.hu@intel.com, xuan.ding@intel.com, wenwux.ma@intel.com, yvonnex.yang@intel.com References: <20220117162027.927041-1-yuanx.wang@intel.com> From: Maxime Coquelin In-Reply-To: <20220117162027.927041-1-yuanx.wang@intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US 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 Hi Yuan, On 1/17/22 17:20, Yuan Wang wrote: > Async copy fails when looking up hpa in the gpa to hpa mapping table. > This happens because the gpa is matched exactly in the merged > mapping table, and the merge loses the mapping entries. > A new range comparison method is introduced to solve this issue. > > Fixes: 6563cf92380 ("vhost: fix async copy on multi-page buffers") > > Signed-off-by: Yuan Wang > --- > lib/vhost/vhost.h | 18 ++++++++++++++++-- > 1 file changed, 16 insertions(+), 2 deletions(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime