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

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Message-ID: <164d9ae1-34b0-4ed5-a882-d1552ec3310e@oracle.com>
Date: Tue, 21 Oct 2025 18:21:11 -0400
From: Alejandro Jimenez <alejandro.j.jimenez@...cle.com>
To: Alex Mastro <amastro@...com>, Alex Williamson <alex.williamson@...hat.com>
Cc: Jason Gunthorpe <jgg@...pe.ca>, 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 10/13/25 1:32 AM, Alex Mastro 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.
> 

I sent a reply to Patch 3 with a small nit, but regardless of whether 
you chose to make a change or not, the current changes look good to me.

Reviewed-by: Alejandro Jimenez <alejandro.j.jimenez@...cle.com>

Thank you,
Alejandro