linux-kernel - Re: [PATCH 0/2] vfio: Deprecate fsl-mc, platform, and amba

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Message-ID: <2cf5aed8-3636-40f3-9ecf-21270ad83f9b@redhat.com>
Date: Thu, 7 Aug 2025 10:12:47 +0200
From: Eric Auger <eric.auger@...hat.com>
To: Alex Williamson <alex.williamson@...hat.com>, kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, clg@...hat.com
Subject: Re: [PATCH 0/2] vfio: Deprecate fsl-mc, platform, and amba

Hi Alex,

On 8/6/25 7:03 PM, Alex Williamson wrote:
> The vfio-fsl-mc driver has been orphaned since April 2024 after the
> maintainer became unresponsive.  More than a year later, the driver
> has only received community maintenance.  Let's take the next step
> towards removal by marking it obsolete/deprecated.
>
> The vfio-platform and vfio-amba drivers have an active maintainer,
> but even the maintainer has no ability to test these drivers anymore.
> The hardware itself has become obsolete and despite Eric's efforts to
> add support for new devices and presenting on the complexities of
> trying to manage and support shared resources at KVM Forum 2024, the
> state of the driver and ability to test it upstream has not advanced.
> The experiment has been useful, but seems to be reaching a conclusion.
> QEMU intends to remove vfio-platform support in the 10.2 release.
> Mark these drivers as obsolete/deprecated in the kernel as well.

for the whole series:
Reviewed-by: Eric Auger <eric.auger@...hat.com>

Thanks

Eric
>
> Thanks,
> Alex
>
> Alex Williamson (2):
>   vfio/fsl-mc: Mark for removal
>   vfio/platform: Mark for removal
>
>  MAINTAINERS                           |  4 ++--
>  drivers/vfio/fsl-mc/Kconfig           |  5 ++++-
>  drivers/vfio/fsl-mc/vfio_fsl_mc.c     |  2 ++
>  drivers/vfio/platform/Kconfig         | 10 ++++++++--
>  drivers/vfio/platform/reset/Kconfig   |  6 +++---
>  drivers/vfio/platform/vfio_amba.c     |  2 ++
>  drivers/vfio/platform/vfio_platform.c |  2 ++
>  7 files changed, 23 insertions(+), 8 deletions(-)
>