On Wed, Jul 22, 2020 at 05:05:16PM +0800, qiang.zhang@xxxxxxxxxxxxx wrote: > When traversing "pool->page" linked list, to prevent possible > other path operations this list, causing it to be destroyed, we > should add lock protect for this list in dma_pool_destroy func. The pool is being destroyed. If somebody else is trying to allocate from it while it's in the middle of being destroyed, there is a larger problem to solve, and it can't be solved in the dmapool code.
