Changes in 4.19.315 Revert "selftests: mm: fix map_hugetlb failure on 64K page size systems" dm: limit the number of targets and parameter size area btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks() tracing: Simplify creation and deletion of synthetic events tracing: Add unified dynamic event framework tracing: Use dyn_event framework for synthetic events tracing: Remove unneeded synth_event_mutex tracing: Consolidate trace_add/remove_event_call back to the nolock functions string.h: Add str_has_prefix() helper function tracing: Use str_has_prefix() helper for histogram code tracing: Use str_has_prefix() instead of using fixed sizes tracing: Have the historgram use the result of str_has_prefix() for len of prefix tracing: Refactor hist trigger action code tracing: Split up onmatch action data tracing: Generalize hist trigger onmax and save action tracing: Remove unnecessary var_ref destroy in track_data_destroy() serial: kgdboc: Fix NMI-safety problems from keyboard reset code docs: kernel_include.py: Cope with docutils 0.21 Linux 4.19.315 Change-Id: I20fdf3ecd83c6f7654e6118390444de784a0b100 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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