linux-kernel - Re: [PATCH 00/20] iommu: Refactoring domain allocation interface

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Date: Mon, 3 Jun 2024 10:35:50 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Baolu Lu <baolu.lu@...ux.intel.com>
Cc: Yi Liu <yi.l.liu@...el.com>, Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
	Kevin Tian <kevin.tian@...el.com>, David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>, Kalle Valo <kvalo@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Alex Williamson <alex.williamson@...hat.com>, mst@...hat.com,
	Jason Wang <jasowang@...hat.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Mikko Perttunen <mperttunen@...dia.com>, iommu@...ts.linux.dev,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/20] iommu: Refactoring domain allocation interface

On Wed, May 29, 2024 at 08:02:12PM +0800, Baolu Lu wrote:
> > > drivers/infiniband/hw/usnic/usnic_uiom.c:       pd->domain = domain
> > > = iommu_domain_alloc(dev->bus);
> > > 
> > > This series leave those cases unchanged and keep iommu_domain_alloc()
> > > for their usage. But new drivers should not use it anymore.
> > 
> > does it mean there is still domains allocated via iommu_domain_alloc()
> > on VT-d platform?
> 
> I think the drivers mentioned above do not run on x86 platforms, or do
> they?

usnic does.. What was preventing converting it?

Jason