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Description
The Video for Linux v2 API suffers from the same problem as RDMA vs DAX,
i.e. it wants to established long lived memory registrations. Add a
semantic that allows the kernel to revoke access to the registration so
that the elevated page counts are time bounded.
Target Kernel: 4.22
Target Release: 19.04
** Affects: intel
Importance: Medium
Status: Triaged
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: intel-kernel-19.04 kernel-da-key
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[Feature] Crystal Ridge: Add a "memory registration with lease" semantic to V4L2
https://bugs.launchpad.net/bugs/1734081
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