> -Original Message-
> From: iommu On Behalf Of
> David Stevens
> Sent: Wednesday, August 11, 2021 10:43 AM
> To: Robin Murphy ; Will Deacon
> Cc: linux-ker...@vger.kernel.org; Tom Murphy ;
> iommu@lists.linux-foundation.org; David Stevens
> Subject: [PATCH v3 5/5] dma-iommu: account for
Hi David,
I like this patch set and this is crucial for reducing the significant vIOMMU
performance. It looks you totally rewrite the IOMMU mapping/unmapping part and
use the dynamically allocated memory from buddy system as bounce buffer instead
of using the legacy SWIOTLB bounce buffer. As I