linux-kernel - [PATCH 0/2] Remove VT-d virtual command interface

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Date:   Fri, 10 Feb 2023 15:02:04 -0800
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     LKML <linux-kernel@...r.kernel.org>, iommu@...ts.linux.dev,
        "Lu Baolu" <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        "Robin Murphy" <robin.murphy@....com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Raj Ashok <ashok.raj@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>, Yi Liu <yi.l.liu@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: [PATCH 0/2] Remove VT-d virtual command interface

Hi all,

This patch set removes unused VT-d virtual command interface followed by
clean up in the IOASID code.

This has only been tested on x86 platforms, need help with testing on ARM
SMMU and other architectures.

I also hope to collect feedback on the upcoming clean up and enhancements
below:
1. Consolidate VT-d private SVA PASID array with IOASID common code
2. As we retain the global IOASID allocator, we need some level of resource
management. I want to restart the effort to include IOASID under misc
cgroup.
(https://lore.kernel.org/linux-iommu/20210303160205.151d114e@jacob-builder/)

Thanks,

Jacob

Jacob Pan (2):
  iommu/vt-d: Remove virtual command interface
  iommu/ioasid: Remove custom IOASID allocator

 drivers/iommu/intel/cap_audit.c |   2 -
 drivers/iommu/intel/dmar.c      |   2 -
 drivers/iommu/intel/iommu.c     |  85 ---------
 drivers/iommu/intel/iommu.h     |   8 -
 drivers/iommu/ioasid.c          | 293 +-------------------------------
 include/linux/ioasid.h          |  28 ---
 6 files changed, 9 insertions(+), 409 deletions(-)

-- 
2.25.1