linux-kernel - Re: [PATCH v1 01/14] iommu: Add iommu_get_unmanaged

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Message-ID: <ZBhW4i+49sxR1yyU@nvidia.com>
Date:   Mon, 20 Mar 2023 09:51:46 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Nicolin Chen <nicolinc@...dia.com>,
        Eric Auger <eric.auger@...hat.com>, will@...nel.org,
        kevin.tian@...el.com, baolu.lu@...ux.intel.com, joro@...tes.org,
        shameerali.kolothum.thodi@...wei.com, jean-philippe@...aro.org,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 01/14] iommu: Add iommu_get_unmanaged_domain helper

On Thu, Mar 16, 2023 at 06:42:07PM +0000, Robin Murphy wrote:
> On 16/03/2023 1:21 am, Nicolin Chen wrote:
> > Hi Robin,
> > 
> > How do you think about Jason's proposal below? I'd like to see
> > us come to an agreement on an acceptable solution...
> 
> I think it's so thoroughly broken that I suspect Cunningham's law might
> be at play, but fine, you win :)

Not to belabor this, but what was wrong with it?

Jason