Messages in this thread | | | Date | Wed, 7 Apr 2021 08:34:36 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v8 7/9] vfio/mdev: Add iommu related member in mdev_device |
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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.lu@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
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