On 12/20/2016 3:43 AM, Alex Williamson wrote:
> As part of the mdev support, type1 now gets a task reference per
> vfio_dma and uses that to get an mm reference for the task while
> working on accounting. That's correct, but it's not fast. For some
> paths, like vfio_pin_pages_remote(), we know
As part of the mdev support, type1 now gets a task reference per
vfio_dma and uses that to get an mm reference for the task while
working on accounting. That's correct, but it's not fast. For some
paths, like vfio_pin_pages_remote(), we know we're only called from
user context, so we can restore
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