On Mon, May 24, 2021 at 11:51 PM Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > > On Tue, May 18, 2021 at 02:51:52PM +0800, Claire Chang wrote: > > Still keep this function because directly using dev->dma_io_tlb_mem > > will cause issues for memory allocation for existing devices. The pool > > can't support atomic coherent allocation so we need to distinguish the > > per device pool and the default pool in swiotlb_alloc. > > This above should really be rolled in the commit. You can prefix it by > "The reason it was done this way was because directly using .." > Will add it.