Re: [PATCH 2/2] vfio: quieten dma-buf warning

[John Levon <john.levon@nutanix.com>]

On Wed, Apr 08, 2026 at 09:52:53AM +0200, Cédric Le Goater wrote:

> On 3/17/26 20:53, John Levon wrote:
> > Don't report this error every time,
> 
> warn_report_once() is not every time.

It's every time the VM boots for an obscure feature that is totally irrelevant
to non-kernel-vfio backends.

> > as it is specific to the kernel vfio
> > implementation; we shouldn't warn about things that always happen, such
> > as when this is backed by vfio-user.
> 
> What bothers you is the "... kernel: " message ?

The existence of an incorrect and meaningless warning is my complaint.

> We could use (!vbasedev->proxy) to change the "kernel" string to
> an another one related to the device implementation. What do you
> think ?

If I'm "allowed" to check for this to suppress the message entirely, then works
for me.

regards
john