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Subject[PATCH v3 00/18] dynamic-debug cleanups, 2 new features
changes from v2:
only claim one user flag, dont really need more
fix patchset grooming err Reported-by: kbuild test robot <>
quoting tweaks in Docs (unvalidated as better, but likely)
rename to lib/dyndbg.c, update docs accordingly

changes from v1:
dont drop trim_prefix yet, its harmless, and better supports old compilers.
dont move externs to header, despite checkpatch


New Features (review):

accept new query input:
file inode.c:100-200 # & line-range
file inode.c:start_* # & function

add 'u' user flag, allowing user to compose an arbitrary set of
callsites by marking them with 'u', without altering current
print-modifying flags.

extend flags-spec to allow filter-flags, which select callsites for
modification based upon their current flags. This lets user activate
the set of callsites composed previously (u+p).

add negating flags to filter on absence of flags, or to negate a modification.

Jim Cromie (17):
dyndbg-docs: eschew file /full/path query in docs
dyndbg: drop obsolete comment on ddebug_proc_open
dyndbg: raise verbosity needed to enable ddebug_proc_* logging
dyndbg: rename __verbose section to __dyndbg
dyndbg: fix overcounting of ram used by dyndbg
dyndbg: fix a BUG_ON in ddebug_describe_flags
dyndbg: refactor parse_linerange out of ddebug_parse_query
dyndbg: accept 'file foo.c:func1' and 'file foo.c:10-100'
dyndbg: refactor ddebug_read_flags out of ddebug_parse_flags
dyndbg: combine flags & mask into a struct, use that
dyndbg: add filter parameter to ddebug_parse_flags
dyndbg: extend ddebug_parse_flags to accept optional filter-flags
dyndbg: prefer declarative init in caller, to memset in callee
dyndbg: add user-flag, negating-flags, and filtering on flags
dyndbg: allow negating flag-chars in modflags
dyndbg: make ddebug_tables list LIFO for add/remove_module
dyndbg: rename lib/dynamic_debug.c to lib/dyndbg.c
dyndbg-docs: normalize comments in examples

Documentation/admin-guide/dynamic-debug-howto.rst | 176 ++++++++++++++++-----------
include/asm-generic/ | 6 +-
include/linux/dynamic_debug.h | 5 +-
kernel/module.c | 2 +-
lib/Makefile | 4 +-
lib/{dynamic_debug.c => dyndbg.c} | 285 ++++++++++++++++++++++++++------------------
6 files changed, 285 insertions(+), 193 deletions(-)


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