Re: [PATCH kernel] powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2022-07-11 18:47:50
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kvm
On Mon, Jul 11, 2022 at 11:24:32PM +1000, Alexey Kardashevskiy wrote:
I really think that for 5.19 we should really move this blocked domain business to Type1 like this: https://github.com/aik/linux/commit/96f80c8db03b181398ad355f6f90e574c3ada4bf
This creates the same security bug for power we are discussing here. If you don't want to fix it then lets just merge this iommu_ops patch as is rather than mangle the core code. Jason