On Wed, Apr 07, 2021 at 09:58:05AM +0800, Lu Baolu wrote: > I've ever tried to implement a bus iommu_ops for mdev devices. > > https://lore.kernel.org/lkml/20201030045809.957927-1-baolu...@linux.intel.com/ > > Any comments?
You still have the symbol_get, so something continues to be wrong with
that series:
+ mdev_bus = symbol_get(mdev_bus_type);
+ if (mdev_bus) {
+ if (bus == mdev_bus && !iommu_present(bus)) {
+ symbol_put(mdev_bus_type);
Jason
