linux-kernel - [GIT PULL] VFIO updates for v5.8-rc1

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Date:   Wed, 3 Jun 2020 11:23:04 -0600
From:   Alex Williamson <alex.williamson@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
Subject: [GIT PULL] VFIO updates for v5.8-rc1

Hi Linus,

The following changes since commit 9cb1fd0efd195590b828b9b865421ad345a4a145:

  Linux 5.7-rc7 (2020-05-24 15:32:54 -0700)

are available in the Git repository at:

  git://github.com/awilliam/linux-vfio.git tags/vfio-v5.8-rc1

for you to fetch changes up to 4f085ca2f5a8047845ab2d6bbe97089daed28655:

  Merge branch 'v5.8/vfio/kirti-migration-fixes' into v5.8/vfio/next (2020-06-02 13:53:00 -0600)

----------------------------------------------------------------
VFIO updates for v5.8-rc1

 - Block accesses to disabled MMIO space (Alex Williamson)

 - VFIO device migration API (Kirti Wankhede)

 - type1 IOMMU dirty bitmap API and implementation (Kirti Wankhede)

 - PCI NULL capability masking (Alex Williamson)

 - Memory leak fixes (Qian Cai)

 - Reference leak fix (Qiushi Wu)

----------------------------------------------------------------
Alex Williamson (7):
      vfio/type1: Support faulting PFNMAP vmas
      vfio-pci: Fault mmaps to enable vma tracking
      vfio-pci: Invalidate mmaps and block MMIO access on disabled memory
      vfio-pci: Mask cap zero
      Merge branches 'v5.8/vfio/alex-block-mmio-v3', 'v5.8/vfio/alex-zero-cap-v2' and 'v5.8/vfio/qian-leak-fixes' into v5.8/vfio/next
      Merge branch 'qiushi-wu-mdev-ref-v1' into v5.8/vfio/next
      Merge branch 'v5.8/vfio/kirti-migration-fixes' into v5.8/vfio/next

Kirti Wankhede (10):
      vfio: UAPI for migration interface for device state
      vfio iommu: Remove atomicity of ref_count of pinned pages
      vfio iommu: Cache pgsize_bitmap in struct vfio_iommu
      vfio iommu: Add ioctl definition for dirty pages tracking
      vfio iommu: Implementation of ioctl for dirty pages tracking
      vfio iommu: Update UNMAP_DMA ioctl to get dirty bitmap before unmap
      vfio iommu: Add migration capability to report supported features
      vfio: Selective dirty page tracking if IOMMU backed device pins pages
      vfio iommu: Use shift operation for 64-bit integer division
      vfio iommu: typecast corrections

Qian Cai (2):
      vfio/pci: fix memory leaks in alloc_perm_bits()
      vfio/pci: fix memory leaks of eventfd ctx

Qiushi Wu (1):
      vfio/mdev: Fix reference count leak in add_mdev_supported_type

 drivers/vfio/mdev/mdev_sysfs.c      |   2 +-
 drivers/vfio/pci/vfio_pci.c         | 353 +++++++++++++++++++--
 drivers/vfio/pci/vfio_pci_config.c  |  50 ++-
 drivers/vfio/pci/vfio_pci_intrs.c   |  14 +
 drivers/vfio/pci/vfio_pci_private.h |  15 +
 drivers/vfio/pci/vfio_pci_rdwr.c    |  24 +-
 drivers/vfio/vfio.c                 |  13 +-
 drivers/vfio/vfio_iommu_type1.c     | 609 ++++++++++++++++++++++++++++++++----
 include/linux/vfio.h                |   4 +-
 include/uapi/linux/vfio.h           | 319 +++++++++++++++++++
 10 files changed, 1301 insertions(+), 102 deletions(-)