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[47.55.120.4]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4b07e8ccb6asm93753201cf.24.2025.08.11.13.23.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 13:23:58 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1ulZ3l-00000002Vsm-3knV; Mon, 11 Aug 2025 17:23:57 -0300 Date: Mon, 11 Aug 2025 17:23:57 -0300 From: Jason Gunthorpe To: Alex Williamson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, eric.auger@redhat.com, clg@redhat.com Subject: Re: [PATCH 0/2] vfio: Deprecate fsl-mc, platform, and amba Message-ID: <20250811202357.GH377696@ziepe.ca> References: <20250806170314.3768750-1-alex.williamson@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250806170314.3768750-1-alex.williamson@redhat.com> On Wed, Aug 06, 2025 at 11:03:10AM -0600, 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. It seems fine, but I'd just remove them entirely right now. It is easy enough to revert a removal down the road if someone comes with a compelling reason. Reviewed-by: Jason Gunthorpe Jason