They are synonymous to kmap_atomic_prot() and kunmap_atomic() respectively.
This is part of the update of the DRM drivers to Linux 5.14.
Differential D38155
linuxkpi: Add `kmap_local_page_prot()` and `kunmap_local()` dumbbell on Jan 22 2023, 2:10 PM. Authored by Tags None Referenced Files
Details They are synonymous to kmap_atomic_prot() and kunmap_atomic() respectively. This is part of the update of the DRM drivers to Linux 5.14.
Diff Detail
Event TimelineComment Actions The *_atomic variant turn off preemption and page faults between the map and the unmap, something the *_local variant doesn't do. |