From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA7FD1FDA for ; Tue, 31 Oct 2023 08:23:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bqo2Crsq" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B497DB for ; Tue, 31 Oct 2023 01:23:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1698740589; 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=lkPsJmsvqXKseM89Bl+2H72cqwC7IoO2lINO3/fCkdY=; b=bqo2CrsqFnHUxot5eRIhWPPZxLGYFIgQSHlhzux29Ujq5JuYFoA5yS1reE2II+0wSJinT0 t9s3SZEXdShfUNFdV794pA5MjzPzANQ8G85gbUWloS9DpwU5vi+hVlv+e9pD730PjBQiPb WPvD9dIsZRuHPunIfeWNjvbMkqcTLiI= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-246-eRG7ZgQqN9iCn2bpc5Y34g-1; Tue, 31 Oct 2023 04:23:08 -0400 X-MC-Unique: eRG7ZgQqN9iCn2bpc5Y34g-1 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-32f5b22e806so2691490f8f.0 for ; Tue, 31 Oct 2023 01:23:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698740587; x=1699345387; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=lkPsJmsvqXKseM89Bl+2H72cqwC7IoO2lINO3/fCkdY=; b=N9M+scEygoE4PLqgCb23fD7JFG8bKUuxcxjgMTNbfzg4p9jMavMRjGfGi6ajSXJ+H8 XPOHsBXmDIVriu3ihITIjXK1D0CNdkziDKiUEhnJ0zs+Ou7v+hcPPcvexpFE8/wfjkEM 22IOgjy4quzA8RicvVny7RpddZyKoMyWu7pAnjD0wlK7LqNlDruMMup1U63F3XqxoF82 SUwuo25Ns2PNCNm8swG9LvIeFfEix+sF3lTfVYm5+WwsK5z5tfEs3JRLSfQsjs5eLAMe Q6dESJMbn/yjKW8xYRyJLkbrJo8z37B6SVDZ+uTTKwO6M3/iAt3KaxgaQiGzBd/0rH/w fKXA== X-Gm-Message-State: AOJu0YzbrATBkhoRUZbScYpP6vKAux5BqoMGwPXLT93uaNs3gz3HaOQ6 Xu+Its4gLwKFPykAWQDzCW1rwTkMMb6GTAnIYFnc6niqD32MkdZo0jka+EvOxlWYG6xQEtP1NDg yn/Z39bbg8aIg X-Received: by 2002:a5d:6daa:0:b0:32f:914e:427f with SMTP id u10-20020a5d6daa000000b0032f914e427fmr1815531wrs.16.1698740586941; Tue, 31 Oct 2023 01:23:06 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFc9PcfR+ryqLtXXr3yzpBv1Zn+JInlQMRQv8GNG2r0TcqZoR483Dbi/gFCaOouLVRP4wmRPw== X-Received: by 2002:a5d:6daa:0:b0:32f:914e:427f with SMTP id u10-20020a5d6daa000000b0032f914e427fmr1815518wrs.16.1698740586591; Tue, 31 Oct 2023 01:23:06 -0700 (PDT) Received: from redhat.com ([2.52.26.150]) by smtp.gmail.com with ESMTPSA id c8-20020adfef48000000b0032f7c563ffasm906445wrp.36.2023.10.31.01.23.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Oct 2023 01:23:05 -0700 (PDT) Date: Tue, 31 Oct 2023 04:23:02 -0400 From: "Michael S. Tsirkin" To: Yi Liu Cc: Yishai Hadas , alex.williamson@redhat.com, jasowang@redhat.com, jgg@nvidia.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, parav@nvidia.com, feliu@nvidia.com, jiri@nvidia.com, kevin.tian@intel.com, joao.m.martins@oracle.com, si-wei.liu@oracle.com, leonro@nvidia.com, maorg@nvidia.com Subject: Re: [PATCH V2 vfio 9/9] vfio/virtio: Introduce a vfio driver over virtio devices Message-ID: <20231031042235-mutt-send-email-mst@kernel.org> References: <20231029155952.67686-1-yishaih@nvidia.com> <20231029155952.67686-10-yishaih@nvidia.com> <4a5ab8d6-1138-4f4f-bb61-9ec0309d46e6@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4a5ab8d6-1138-4f4f-bb61-9ec0309d46e6@intel.com> On Tue, Oct 31, 2023 at 04:17:45PM +0800, Yi Liu wrote: > a dumb question. Is it common between all virtio devices that the legay > interface is in BAR0? It has to be, that is where the legacy driver is looking for it.