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(-)