Re: [PATCH v3 00/23] iommu: Further abstract iommu-pages

From: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
To: jgg@nvidia.com
Cc: alim.akhtar@samsung.com, alyssa@rosenzweig.io,
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Subject: Re: [PATCH v3 00/23] iommu: Further abstract iommu-pages
Date: Tue, 25 Feb 2025 23:17:47 +0000	[thread overview]
Message-ID: <20250225231747.15277-1-alejandro.j.jimenez@oracle.com> (raw)
In-Reply-To: <0-v3-e797f4dc6918+93057-iommu_pages_jgg@nvidia.com>

>Improve the API to work directly on sizes instead of order, the drivers
> generally have HW specs and code paths that already have specific sizes.
> Pass those sizes down into the allocator to remove some boiler plate
> get_order() in drivers. This is cleanup to be ready for a possible sub
> page allocator some day.
>
> This is on github: https://github.com/jgunthorpe/linux/commits/iommu_pages
>
> v3:

Tested v3 on AMD Zen4 bare metal host, using v1/v2 page table formats. Ran host
kernel with iommu.passthrough=0. Launched KVM guest with large memory (512+ G)
and 16 VFs. No errors or warnings found.

Tested-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>

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