From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967285AbeEYQfw (ORCPT ); Fri, 25 May 2018 12:35:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:35720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967031AbeEYQfv (ORCPT ); Fri, 25 May 2018 12:35:51 -0400 Date: Fri, 25 May 2018 18:35:32 +0200 From: Greg Kroah-Hartman To: Christoph Hellwig Cc: Thomas Gleixner , Ingo Molnar , Tony Luck , Fenghua Yu , x86@kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 1/7] core, dma-direct: add a flag 32-bit dma limits Message-ID: <20180525163532.GA13399@kroah.com> References: <20180525143512.1466-1-hch@lst.de> <20180525143512.1466-2-hch@lst.de> <20180525145012.GA3863@kroah.com> <20180525162307.GB28900@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180525162307.GB28900@lst.de> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 25, 2018 at 06:23:07PM +0200, Christoph Hellwig wrote: > On Fri, May 25, 2018 at 04:50:12PM +0200, Greg Kroah-Hartman wrote: > > On Fri, May 25, 2018 at 04:35:06PM +0200, Christoph Hellwig wrote: > > > Various PCI bridges (VIA PCI, Xilinx PCIe) limit DMA to only 32-bits > > > even if the device itself supports more. Add a single bit flag to > > > struct device (to be moved into the dma extension once we around it) > > > > "once we around it"? I don't understand, sorry. > > Should be "once we get around it", which in proper grammar should > probably be "once we get to it". Anyway, the point is that right > now struct device is bloated with a lot of fields for dma/iommu > purposes and we need to clean this up. It's been on my TODO list > for a while. Ah, makes sense, that's fine with me, I'd love to see that get cleaned up. thanks, greg k-h