On Thu, Apr 21, 2022 at 09:36:46AM +0200, Arnd Bergmann wrote: > Does this work on all 32-bit architectures as well? I see that you added > swiotlb for ARM LPASE systems in 2019, but I don't know if that has any > additional requirements for the other 32-bit architectures that don't > select SWIOTLB today. We'll need to call swiotlb_init for all these cases, but there is no other fundamental requirement. We can probably do with a way smaller buffer if bouncing is only needed for misaligned allocations.
