On Sun, Mar 27, 2022 at 4:37 PM Halil Pasic <pasic@xxxxxxxxxxxxx> wrote: > > > For the record, I believe that the partial revert proposed here > https://www.spinics.net/lists/linux-wireless/msg222300.html > would have been a wiser choice, than a complete revert of commit > aa6f8dcbab47 ("swiotlb: rework "fix info leak with DMA_FROM_DEVICE""). Yeah, the revert is basically my standard "this doesn't work, discussion is still ongoing" thing. I agree that the revert then brought back that DMA_ATTR_SKIP_CPU_SYNC complexity. So that part of commit aa6f8dcbab47 was probably all good. I somehow missed that Oleksandr had a tested-by for that smaller change too. Linus