On Mon, Oct 14, 2024 at 06:31:35PM +0800, Bingbu Cao wrote: > > Not new in this code, but what guarantees that this driver never sees > > highmem? > > > > > > The hardware is only in Intel 64-bit SoCs. And it is likely the driver > working with 64-bit kernel. I am not sure driver should handle highmem. Yes, that should be fine. Unless people bring back the unmapping user memory from the direct map thing.
