From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lu Baolu Subject: [PATCH 0/3] iommu/vt-d: Global PASID name space Date: Thu, 15 Mar 2018 10:38:18 +0800 Message-ID: <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: 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, 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(-) -- 2.7.4