Re: [PATCH v4 0/3] Apple M1 DART IOMMU driver

From: Joerg Roedel
Date: Thu Jul 15 2021 - 02:52:47 EST


On Wed, Jul 14, 2021 at 10:51:34PM +0200, Arnd Bergmann wrote:
> The question is how we can best allow one but not the other.

By only allowing to allocate domains of type IDENTITY and DMA, but fail
to allocate UNMANAGED domains.

Regards,

Joerg