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authorJim Cromie <jim.cromie@gmail.com>2011-12-19 23:12:44 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-24 21:48:52 +0100
commit5ca7d2a6c5e4f24dfe39e8383c6d32e61d95d16a (patch)
tree9825251f6cd4a7027e8235a73d6a6c8654a6afed /lib/idr.c
parentdynamic_debug: drop explicit !=NULL checks (diff)
downloadlinux-5ca7d2a6c5e4f24dfe39e8383c6d32e61d95d16a.tar.xz
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dynamic_debug: describe_flags with '=[pmflt_]*'
Change describe_flags() to emit '=[pmflt_]+' for current callsite flags, or just '=_' when they're disabled. Having '=' in output allows a more selective grep expression; in contrast '-' may appear in filenames, line-ranges, and format-strings. '=' also has better mnemonics, saying; "the current setting is equal to <flags>". This allows grep "=_" <dbgfs>/dynamic_debug/control to see disabled callsites while avoiding the many occurrences of " = " seen in format strings. Enlarge flagsbufs to handle additional flag char, and alter ddebug_parse_flags() to allow flags=0, so that user can turn off all debug flags via: ~# echo =_ > <dbgfs>/dynamic_debug/control Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/idr.c')
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