linux-kernel - Re: [PATCH v6 3/5] iommu: Add verisilicon IOMMU driver

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Message-ID: <20250718141401.GD2206214@ziepe.ca>
Date: Fri, 18 Jul 2025 11:14:01 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Will Deacon <will@...nel.org>
Cc: Robin Murphy <robin.murphy@....com>,
	Benjamin Gaignard <benjamin.gaignard@...labora.com>,
	joro@...tes.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, heiko@...ech.de,
	nicolas.dufresne@...labora.com, iommu@...ts.linux.dev,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v6 3/5] iommu: Add verisilicon IOMMU driver

On Fri, Jul 18, 2025 at 02:47:11PM +0100, Will Deacon wrote:

> Just because the existing drivers are a mess doesn't mean we should
> proliferate it!

If you want to insist on something here it should be for this driver
to use the new generic page table code I've written.

Otherwise I don't see the point in trying to improve this in some
lesser way.

If this had come in a years time I would probably insist on that, but
right now it isn't merged yet and it will still be a little bit before
people have time to review it.

Perhaps a compromise where Benjamin comes with an iommupt format
header that works for this and we can progress this series and be
ready to swap it out down the road?

Jason