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Re: [PATCH v2 4/6] rangeset: introduce rangeset_subtract

To: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date: Thu, 15 May 2025 10:52:44 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
Delivery-date: Thu, 15 May 2025 08:53:14 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Thu, May 08, 2025 at 09:20:33AM -0400, Stewart Hildebrand wrote:
> Introduce rangeset_subtract() to remove regions in r2 from r1.

Oh, you could have replaced the code in arch_iommu_hwdom_init() to
make use of this new helper.  I will prepare a patch now.

Regards, Roger.

References:
- [PATCH v2 0/6] arm: extended regions fixes
  - From: Stewart Hildebrand
- [PATCH v2 4/6] rangeset: introduce rangeset_subtract
  - From: Stewart Hildebrand

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