From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH 3/4] mm: simplify device private page handling in hmm_range_fault Date: Tue, 17 Mar 2020 14:32:14 -0300 Message-ID: <20200317173214.GT20941@ziepe.ca> References: <20200316193216.920734-1-hch@lst.de> <20200316193216.920734-4-hch@lst.de> <7256f88d-809e-4aba-3c46-a223bd8cc521@nvidia.com> <20200317121536.GQ20941@ziepe.ca> <20200317122445.GA11662@lst.de> <20200317122813.GA11866@lst.de> <20200317124755.GR20941@ziepe.ca> <20200317125955.GA12847@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20200317125955.GA12847-jcswGhMUV9g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Christoph Hellwig Cc: Ralph Campbell , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Bharata B Rao , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Ben Skeggs , Dan Williams , Christian =?utf-8?B?S8O2bmln?= List-Id: nouveau.vger.kernel.org On Tue, Mar 17, 2020 at 01:59:55PM +0100, Christoph Hellwig wrote: > On Tue, Mar 17, 2020 at 09:47:55AM -0300, Jason Gunthorpe wrote: > > I've been using v7 of Ralph's tester and it is working well - it has > > DEVICE_PRIVATE support so I think it can test this flow too. Ralph are > > you able? > > > > This hunk seems trivial enough to me, can we include it now? > > I can send a separate patch for it once the tester covers it. I don't > want to add it to the original patch as it is a significant behavior > change compared to the existing code. Okay. I'm happy enough for now that amdgpu will get ERROR on device_private pages. That is a bug fix in of itself. Jason