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

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Message-ID: <CALzav=ebeVvg5jyFjkAN-Ud==6xS9y1afszSE10mpa9PUOu+Dw@mail.gmail.com>
Date: Tue, 21 Oct 2025 09:31:59 -0700
From: David Matlack <dmatlack@...gle.com>
To: Alex Mastro <amastro@...com>
Cc: Alex Williamson <alex@...zbot.org>, Alejandro Jimenez <alejandro.j.jimenez@...cle.com>, 
	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 Tue, Oct 21, 2025 at 9:26 AM Alex Mastro <amastro@...com> wrote:
> On Mon, Oct 20, 2025 at 03:36:33PM -0600, Alex Williamson wrote:
> > Should we also therefore expand the DMA mapping tests in
> > tools/testing/selftests/vfio to include an end of address space test?
>
> Yes. I will append such a commit to the end of the series in v5. Our VFIO tests
> are built on top of a hermetic rust wrapper library over VFIO ioctls, but they
> aren't quite ready to be open sourced yet.

Feel free to reach out if you have any questions about writing or
running the VFIO selftests.