From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: [PATCH v1 3/3] iommu/amd: Optimize the IOMMU queue flush Date: Thu, 22 Jun 2017 23:57:36 +0200 Message-ID: <20170622215735.GW30388@8bytes.org> References: <20170605195203.11512.20579.stgit@tlendack-t1.amdoffice.net> <20170605195235.11512.52995.stgit@tlendack-t1.amdoffice.net> <1496954035.4188.1.camel@rutgers.edu> <1498062018.17007.6.camel@rutgers.edu> <1498079371.17007.18.camel@rutgers.edu> <20170622092053.GV30388@8bytes.org> <1498144389.17007.25.camel@rutgers.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1498144389.17007.25.camel-kgbqMDwikbSVc3sceRu5cw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Jan Vesely Cc: Tom Lendacky , "Nath, Arindam" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , Craig Stein List-Id: iommu@lists.linux-foundation.org On Thu, Jun 22, 2017 at 11:13:09AM -0400, Jan Vesely wrote: > It looks like I tested different patches. > linux-4.10.17 with both > "iommu/amd: Optimize iova queue flushing" This patch isn't in my tree and will not go upstream. > and > "iommu/amd: Disable previously enabled IOMMUs at boot" This patch solves a different problem. > (I haven't tested the series independently) > > works OK. The machine booted successfully and I was able to test clover > based OpenCL and simple OpenGL on both iGPU(carrizo) and dGPU(iceland). For a conclusive test please use what is in the iommu-tree, as this is what I plan to send upstream. You can use the 'next' branch of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git to get all patches, including my flush optimization series. Thanks, Joerg