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 Received: from ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2946ACE79D2 for ; Wed, 20 Sep 2023 14:13:51 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id 6F0788742C for ; Wed, 20 Sep 2023 14:13:50 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 4D53C986674 for ; Wed, 20 Sep 2023 14:13:50 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 3642398666B; Wed, 20 Sep 2023 14:13:50 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 2471098666C for ; Wed, 20 Sep 2023 14:13:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: lxwjB42VNcu3ncKZI1JV9w-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695219226; x=1695824026; 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=GWIfaJigRXBNPfQTBV0dvLWw4bjXY2fZaDf230/MnnU=; b=coesz5kXwWvjUioOElZx30t13qsTWpm6oEX9Z3k7HrbPdl1/JM3DO0QVxSQgJBuTRe AD/lxQtkoTVw728fpUzbxRHCd783USqXW2UgAWFzN+UKZaN5oi1E0KScZQ3zsOMiyT+9 6qBB0P45wJvFTpW525ah++7jkK820vOXZxHW+dxn6tWH/WNO/Bn4R38Spyfr4I4TBUVI p1Kz3zLkb4KQhnxMyUfHilbi2sJmRaLjEnT2GbZrnFBMd7AJNolEzG8RUS44LiQ9kbIB PgoKgstmUN4mQodfIefzoDBcXBKaYXJiia0fob7JoExUU3AbhhpTcrQgKt0wahA49QME Ce7g== X-Gm-Message-State: AOJu0YxmLVvUFkBYOQq32vPBbHD+gfd/6O706N30w4ulAXdWbDeUexzk bwSSFJiPXihp7E/kguqfy18Or8Rh0bM1bMFYRJQbD198/G0HUynZP0jme33QKJn6QysKgpCZmqJ zxb23KGar3uL4hbw6FTx5+QkK356f X-Received: by 2002:aa7:de91:0:b0:521:8777:b00d with SMTP id j17-20020aa7de91000000b005218777b00dmr1931288edv.15.1695219226664; Wed, 20 Sep 2023 07:13:46 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHJ67WWpQgVTehTIubr5x4KEpnR1/1l2FeN9W5Mu9r0BDTXT71mR8YBxors+hMM1q+/xKp8Og== X-Received: by 2002:aa7:de91:0:b0:521:8777:b00d with SMTP id j17-20020aa7de91000000b005218777b00dmr1931277edv.15.1695219226398; Wed, 20 Sep 2023 07:13:46 -0700 (PDT) Date: Wed, 20 Sep 2023 10:13:41 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: "Zhu, Lingshan" , "virtio-dev@lists.oasis-open.org" , Jason Wang Message-ID: <20230920101142-mutt-send-email-mst@kernel.org> References: <5f01772f-eb27-bfe0-7f69-b83fbd90dda0@intel.com> <20230918144312-mutt-send-email-mst@kernel.org> <20230920054836-mutt-send-email-mst@kernel.org> <2f67fb85-2238-9c34-a265-b0f97b7ab7e1@intel.com> <20230920075243-mutt-send-email-mst@kernel.org> <20230920084058-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: Re: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state On Wed, Sep 20, 2023 at 01:41:00PM +0000, Parav Pandit wrote: > 12. Some how register access on single physical card for the PFs and VFs gives better QoS guarantee than virtqueue as registers can scale infinitely no matter how many VFs or for multiple VQs because it is per VF. > This makes some sense as memory accesses to independent devices do not need to be ordered. AQ's answer is multiple queues and out of order execution within the queue. Not sure whether this is good enough. --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org