Hey, On Thu, 5 Jun 2025 at 08:41, Tomeu Vizoso <to...@tomeuvizoso.net> wrote: > > Indeed if you're using the IOMMU API directly then you need to do your > > own address space management either way, so matching bits of process VA > > space is pretty simple to put on the table. > > My impression was that the VM_BIND facility is intended for SVM as in > OpenCL and maybe Vulkan? > > Guess my question is, what would such an accelerator driver win by > letting userspace manage the address space?
I mean, not a lot gained, but otoh there's also not much to be gained by using the kernel's range allocator either, and it saves userspace a roundtrip to discover the VA for a BO it just created/mapped? Cheers, Daniel
