On Wed, 26 Feb 2025 19:03:35 +0800 Yunsheng Lin wrote: > This patchset fix the dma API misuse problem as below: > Networking driver with page_pool support may hand over page > still with dma mapping to network stack and try to reuse that > page after network stack is done with it and passes it back > to page_pool to avoid the penalty of dma mapping/unmapping. > With all the caching in the network stack, some pages may be > held in the network stack without returning to the page_pool > soon enough, and with VF disable causing the driver unbound, > the page_pool does not stop the driver from doing it's > unbounding work, instead page_pool uses workqueue to check > if there is some pages coming back from the network stack > periodically, if there is any, it will do the dma unmmapping > related cleanup work. Does not build :( Always do an allmodconfig build when working on subsystem-wide interfaces.. -- pw-bot: cr
