From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lu Baolu Subject: Re: [PATCH 0/3] iommu/vt-d: Global PASID name space Date: Mon, 26 Mar 2018 08:38:21 +0800 Message-ID: <5AB840FD.8020600@linux.intel.com> References: <1521081501-30119-1-git-send-email-baolu.lu@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1521081501-30119-1-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@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: David Woodhouse , Joerg Roedel Cc: ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, sanjay.k.kumar-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, yi.y.sun-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, jacob.jun.pan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org List-Id: iommu@lists.linux-foundation.org Hi Joerg, A gentle ping. :-) Any comments on this patch set? Best regards, Lu Baolu On 03/15/2018 10:38 AM, Lu Baolu wrote: > Hi, > > This patch series is trying to change the scope of PASID management > used in Intel IOMMU driver from per IOMMU to driver global. This is > required for some cases where current per-IOMMU PASID name space > doesn't work. For an example, one application (associated with one > PASID) might talk to two physical devices simultaneously where two > devices could reside behind two different IOMMU units. > > Best regards, > Lu Baolu > > Lu Baolu (3): > iommu/vt-d: Global PASID name space > iommu/vt-d: Decouple idr bond pointer from svm > iommu/vt-d: Use global PASID for SVM usage > > drivers/iommu/intel-iommu.c | 64 +++++++++++++++++++++++++++++++++++++++++++++ > drivers/iommu/intel-svm.c | 34 +++++++++++++----------- > include/linux/intel-iommu.h | 7 ++++- > 3 files changed, 89 insertions(+), 16 deletions(-) >