Re: [PATCH v4 00/17] Add VFIO mediated device support and DEV-MSI support for the idxd driver

Jason Gunthorpe
2020-10-30T18:59:09Z

On Fri, Oct 30, 2020 at 11:50:47AM -0700, Dave Jiang wrote:
> .../ABI/stable/sysfs-driver-dma-idxd | 6 +
> Documentation/driver-api/vfio/mdev-idxd.rst | 404 ++++++
> MAINTAINERS | 1 +
> drivers/dma/Kconfig | 9 +
> drivers/dma/idxd/Makefile | 2 +
> drivers/dma/idxd/cdev.c | 6 +-
> drivers/dma/idxd/device.c | 294 ++++-
> drivers/dma/idxd/idxd.h | 67 +-
> drivers/dma/idxd/init.c | 86 ++
> drivers/dma/idxd/irq.c | 6 +-
> drivers/dma/idxd/mdev.c | 1121 +++++++++++++++++
> drivers/dma/idxd/mdev.h | 116 ++

Again, a subsytem driver belongs in the directory hierarchy of the
subsystem, not in other random places. All this mdev stuff belongs
under drivers/vfio

Jason