Re: [PATCH 22/22] iommu/amd: Introduce logic to check and enable vIOMMU feature

From: Jason Gunthorpe

Date: Mon Mar 30 2026 - 08:25:17 EST


On Mon, Mar 30, 2026 at 08:42:06AM +0000, Suravee Suthikulpanit wrote:
> Also switch to enable vIOMMU by default, and provide kernel boot option to
> disable the feature.

Why? userspace is free to not use it, lets not pollute the kernel
command line.

Jason