[GIT PULL] VFIO fixes for v5.10-rc3

[Alex Williamson]

Hi Linus,

The following changes since commit 3cea11cd5e3b00d91caf0b4730194039b45c5891:

  Linux 5.10-rc2 (2020-11-01 14:43:51 -0800)

are available in the Git repository at:

  git://github.com/awilliam/linux-vfio.git tags/vfio-v5.10-rc3

for you to fetch changes up to e4eccb853664de7bcf9518fb658f35e748bf1f68:

  vfio/pci: Bypass IGD init in case of -ENODEV (2020-11-03 11:07:40 -0700)

----------------------------------------------------------------
VFIO fixes for v5.10-rc3

 - Remove code by using existing helper (Zenghui Yu)

 - fsl-mc copy-user return and underflow fixes (Dan Carpenter)

 - fsl-mc static function declaration (Diana Craciun)

 - Fix ioeventfd sleeping under spinlock (Alex Williamson)

 - Fix pm reference count leak in vfio-platform (Zhang Qilong)

 - Allow opening IGD device w/o OpRegion support (Fred Gao)

----------------------------------------------------------------
Alex Williamson (1):
      vfio/pci: Implement ioeventfd thread handler for contended memory lock

Dan Carpenter (2):
      vfio/fsl-mc: return -EFAULT if copy_to_user() fails
      vfio/fsl-mc: prevent underflow in vfio_fsl_mc_mmap()

Diana Craciun (1):
      vfio/fsl-mc: Make vfio_fsl_mc_irqs_allocate static

Fred Gao (1):
      vfio/pci: Bypass IGD init in case of -ENODEV

Zenghui Yu (1):
      vfio/type1: Use the new helper to find vfio_group

Zhang Qilong (1):
      vfio: platform: fix reference leak in vfio_platform_open

 drivers/vfio/fsl-mc/vfio_fsl_mc.c            | 10 +++++--
 drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c       |  2 +-
 drivers/vfio/pci/vfio_pci.c                  |  2 +-
 drivers/vfio/pci/vfio_pci_rdwr.c             | 43 ++++++++++++++++++++++------
 drivers/vfio/platform/vfio_platform_common.c |  3 +-
 drivers/vfio/vfio_iommu_type1.c              | 17 ++++-------
 6 files changed, 50 insertions(+), 27 deletions(-)