linux-kernel - Re: [PATCH v3 0/7] Iommu: Retire bus ops

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Message-ID: <20230918162408.GI13733@nvidia.com>
Date:   Mon, 18 Sep 2023 13:24:08 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     joro@...tes.org, will@...nel.org, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        baolu.lu@...ux.intel.com
Subject: Re: [PATCH v3 0/7] Iommu: Retire bus ops

On Fri, Sep 15, 2023 at 05:58:04PM +0100, Robin Murphy wrote:
> v2: https://lore.kernel.org/linux-iommu/cover.1674753627.git.robin.murphy@arm.com/
> 
> Hi all,
> 
> I've finally been able to get back to this again, and I think it is now
> hopefully ready to go. Changes from v3 are quite minor - basically a few
> cosmetics and small tweaks (where I've taken the liberty of keeping
> Baolu and Jason's review tags; hope that's OK!), the one functional

Looks OK

> thing around blocking domains fixed, and plenty of reshuffling from
> rebases. I'm happy to see that the IOMMUFD selftest problem has resolved
> itself in the meantime, and it might even be able to use the standard
> registration flow after this, however I'll leave that for someone else
> more motivated,

The main issue is the dedicated bus the test needs.

We can change the two wonky interfaces to two new APIs to add/remove a
new bus from iommu monitoring. Then the normal register APIs are
probably OK after this series.

Jason