linux-kernel - Re: [PATCH v4 0/3] vfio: handle DMA map/unmap up to the addressable limit

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Message-ID: <20251015132452.321477fa@shazbot.org>
Date: Wed, 15 Oct 2025 13:24:52 -0600
From: Alex Williamson <alex@...zbot.org>
To: Alex Mastro <amastro@...com>
Cc: Jason Gunthorpe <jgg@...pe.ca>, Alejandro Jimenez
 <alejandro.j.jimenez@...cle.com>, <kvm@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/3] vfio: handle DMA map/unmap up to the addressable
 limit

On Sun, 12 Oct 2025 22:32:23 -0700
Alex Mastro <amastro@...com> wrote:

> This patch series aims to fix vfio_iommu_type.c to support 
> VFIO_IOMMU_MAP_DMA and VFIO_IOMMU_UNMAP_DMA operations targeting IOVA
> ranges which lie against the addressable limit. i.e. ranges where
> iova_start + iova_size would overflow to exactly zero.

The series looks good to me and passes my testing.  Any further reviews
from anyone?  I think we should make this v6.18-rc material.  Thanks,

Alex