Re: [RFC PATCH v1 06/38] iommufd: Add and option to request for bar mapping with IORESOURCE_EXCLUSIVE

Jason Gunthorpe
2025-07-28T14:08:43Z

On Mon, Jul 28, 2025 at 07:21:43PM +0530, Aneesh Kumar K.V (Arm) wrote:
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>

Why would we need this?

I can sort of understand why Intel would need it due to their issues
with MCE, but ARM shouldn't care either way, should it?

But also why is it an iommufd option? That doesn't seem right..

Jason