[GIT PULL] VFIO updates for v4.21-rc1

[Alex Williamson]

Hi Linus,

An early pull request for the next merge window.  Happy holidays!

The following changes since commit 40e020c129cfc991e8ab4736d2665351ffd1468d:

  Linux 4.20-rc6 (2018-12-09 15:31:00 -0800)

are available in the Git repository at:

  git://github.com/awilliam/linux-vfio.git tags/vfio-v4.21-rc1

for you to fetch changes up to 8ba35b3a0046d6573c98f00461d9bd1b86250d35:

  vfio-mdev/samples: Use u8 instead of char for handle functions (2018-12-17 11:07:13 -0700)

----------------------------------------------------------------
VFIO updates for v4.21

 - Replace global vfio-pci lock with per bus lock to allow concurrent
   open and release (Alex Williamson)

 - Declare mdev function as static (Paolo Cretaro)

 - Convert char to u8 in mdev/mtty sample driver (Nathan Chancellor)

----------------------------------------------------------------
Alex Williamson (1):
      vfio/pci: Parallelize device open and release

Nathan Chancellor (1):
      vfio-mdev/samples: Use u8 instead of char for handle functions

Paolo Cretaro (1):
      vfio/mdev: add static modifier to add_mdev_supported_type

 drivers/vfio/mdev/mdev_sysfs.c      |   4 +-
 drivers/vfio/pci/vfio_pci.c         | 160 ++++++++++++++++++++++++++++++------
 drivers/vfio/pci/vfio_pci_private.h |   6 ++
 samples/vfio-mdev/mtty.c            |  26 +++---
 4 files changed, 157 insertions(+), 39 deletions(-)