Re: [PATCH 02/11] iommu/vt-d: Optimize iotlb_sync_map for non-caching/non-RWBF modes

From: Jason Gunthorpe
Date: Fri Jul 18 2025 - 09:29:36 EST


On Fri, Jul 18, 2025 at 10:56:24AM +0800, Baolu Lu wrote:

> How about the following changes (compiled but not tested)?

Yes, exactly what I was thinking!

That leaves the cache tag linked list race..

Nicolin is working on a neat solution for SMMU I wonder if we can
reuse it here too..

Jason