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dynamic_debug: deprecate ddebug_query, suggest dyndbg instead 

With ddebug_dyndbg_boot_params_cb() handling bare dyndbg params, we
dont need ddebug_query param anymore.  Add a warning when processing
ddebug_query= param that it is deprecated, and to change it to dyndbg=

Add a deprecation notice for v3.8 to feature-removal-schedule.txt, and
add a suggested deprecation period of 3 releases to the header.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jim Cromie 2012-04-27 14:30:36 -06:00 committed by Greg Kroah-Hartman
parent b48420c1d3
commit f0b919d967
2 changed files with 10 additions and 1 deletions
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9
Documentation/feature-removal-schedule.txt
View File

@ -2,7 +2,14 @@ The following is a list of files and features that are going to be
removed in the kernel source tree. Every entry should contain what
exactly is going away, why it is happening, and who is going to be doing
the work. When the feature is removed from the kernel, it should also
be removed from this file.
be removed from this file. The suggested deprecation period is 3 releases.
---------------------------
What: ddebug_query="query" boot cmdline param
When: v3.8
Why: obsoleted by dyndbg="query" and module.dyndbg="query"
Who: Jim Cromie <jim.cromie@gmail.com>, Jason Baron <jbaron@redhat.com>
---------------------------

2
lib/dynamic_debug.c
View File

@ -993,6 +993,8 @@ static int __init dynamic_debug_init(void)
/* ddebug_query boot param got passed -> set it up */
if (ddebug_setup_string[0] != '\0') {
pr_warn("ddebug_query param name is deprecated,"
" change it to dyndbg\n");
ret = ddebug_exec_queries(ddebug_setup_string);
if (ret < 0)
pr_warn("Invalid ddebug boot param %s",