On Fri, Sep 24, 2021 at 04:03:53PM -0700, Andy Lutomirski wrote: > 1. The context switch code needs to resync PASID. Unfortunately, this adds > some overhead to every context switch, although a static_branch could > minimize it for non-PASID users.
Any solution that adds to context switch time isn't going to meet the definition of "perfect" either. -Tony _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
