From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v4] vfio: fix sPAPR IOMMU DMA window size Date: Tue, 10 Oct 2017 15:33:34 +0200 Message-ID: <3809327.c8fe9udKfE@xps> References: <1502191002-13988-1-git-send-email-jpf@zurich.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org, Jonas Pfefferle , "aik@ozlabs.ru" To: "Burakov, Anatoly" Return-path: Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by dpdk.org (Postfix) with ESMTP id C63021B2D0 for ; Tue, 10 Oct 2017 15:33:35 +0200 (CEST) In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 08/08/2017 14:06, Burakov, Anatoly: > > From: Jonas Pfefferle [mailto:jpf@zurich.ibm.com] > > Sent: Tuesday, August 8, 2017 12:17 PM > > To: Burakov, Anatoly > > Cc: dev@dpdk.org; aik@ozlabs.ru; Jonas Pfefferle > > Subject: [PATCH v4] vfio: fix sPAPR IOMMU DMA window size > > > > DMA window size needs to be big enough to span all memory segment's > > physical addresses. We do not need multiple levels of IOMMU tables as we > > already span ~70TB of physical memory with 16MB hugepages. > > > > Signed-off-by: Jonas Pfefferle > > Acked by: Anatoly Burakov Applied, thanks