Re: [RFC v2 PATCH 04/10] vfio/pci: Add a helper to create a DMABUF for a BAR-map VMA

[Jason Gunthorpe]

On Wed, Mar 18, 2026 at 02:04:08PM -0600, Alex Williamson wrote:

> AIUI, this affects what the user sees in /proc/<pid>/maps, right?
> Previously a memory range could be clearly associated with a specific
> vfio device, now, only for vfio-pci devices, I think the range is
> associated to a nondescript dmabuf.  

Probably

> If so, is that an acceptable, user
> visible, debugging friendly change (ex. lsof)?  Thanks,

IIRC there is a way to attach a string to the inode that lsof can
display, if we do that right it should be good enough.

Jason