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kdb: Remove KDB_REPEAT_NONE flag

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Since we now treat KDB_REPEAT_* as flags, there is no need to
pass KDB_REPEAT_NONE. It's just the default behaviour when no
flags are specified.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Anton Vorontsov 2014-11-06 14:36:44 +00:00 committed by Jason Wessel
parent 04bb171e7a
commit e8ab24d9b0
4 changed files with 33 additions and 35 deletions
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1
include/linux/kdb.h
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@ -14,7 +14,6 @@
*/
typedef enum {
KDB_REPEAT_NONE = 0, /* Do not repeat this command */
KDB_REPEAT_NO_ARGS = 0x1, /* Repeat the command w/o arguments */
KDB_REPEAT_WITH_ARGS = 0x2, /* Repeat the command w/ its arguments */
} kdb_cmdflags_t;

6
kernel/debug/kdb/kdb_bp.c
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@ -539,11 +539,11 @@ void __init kdb_initbptab(void)
kdb_register_flags("bph", kdb_bp, "[<vaddr>]",
"[datar [length]|dataw [length]] Set hw brk", 0, KDB_REPEAT_NO_ARGS);
kdb_register_flags("bc", kdb_bc, "<bpnum>",
"Clear Breakpoint", 0, KDB_REPEAT_NONE);
"Clear Breakpoint", 0, 0);
kdb_register_flags("be", kdb_bc, "<bpnum>",
"Enable Breakpoint", 0, KDB_REPEAT_NONE);
"Enable Breakpoint", 0, 0);
kdb_register_flags("bd", kdb_bc, "<bpnum>",
"Disable Breakpoint", 0, KDB_REPEAT_NONE);
"Disable Breakpoint", 0, 0);
kdb_register_flags("ss", kdb_ss, "",
"Single Step", 1, KDB_REPEAT_NO_ARGS);

59
kernel/debug/kdb/kdb_main.c
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@ -2698,7 +2698,7 @@ EXPORT_SYMBOL_GPL(kdb_register_flags);
/*
* kdb_register - Compatibility register function for commands that do
* not need to specify a repeat state. Equivalent to
* kdb_register_flags with KDB_REPEAT_NONE.
* kdb_register_flags with flags set to 0.
* Inputs:
* cmd Command name
* func Function to execute the command
@ -2713,8 +2713,7 @@ int kdb_register(char *cmd,
char *help,
short minlen)
{
return kdb_register_flags(cmd, func, usage, help, minlen,
KDB_REPEAT_NONE);
return kdb_register_flags(cmd, func, usage, help, minlen, 0);
}
EXPORT_SYMBOL_GPL(kdb_register);
@ -2768,68 +2767,68 @@ static void __init kdb_inittab(void)
kdb_register_flags("mm", kdb_mm, "<vaddr> <contents>",
"Modify Memory Contents", 0, KDB_REPEAT_NO_ARGS);
kdb_register_flags("go", kdb_go, "[<vaddr>]",
"Continue Execution", 1, KDB_REPEAT_NONE);
"Continue Execution", 1, 0);
kdb_register_flags("rd", kdb_rd, "",
"Display Registers", 0, KDB_REPEAT_NONE);
"Display Registers", 0, 0);
kdb_register_flags("rm", kdb_rm, "<reg> <contents>",
"Modify Registers", 0, KDB_REPEAT_NONE);
"Modify Registers", 0, 0);
kdb_register_flags("ef", kdb_ef, "<vaddr>",
"Display exception frame", 0, KDB_REPEAT_NONE);
"Display exception frame", 0, 0);
kdb_register_flags("bt", kdb_bt, "[<vaddr>]",
"Stack traceback", 1, KDB_REPEAT_NONE);
"Stack traceback", 1, 0);
kdb_register_flags("btp", kdb_bt, "<pid>",
"Display stack for process <pid>", 0, KDB_REPEAT_NONE);
"Display stack for process <pid>", 0, 0);
kdb_register_flags("bta", kdb_bt, "[D|R|S|T|C|Z|E|U|I|M|A]",
"Backtrace all processes matching state flag", 0, KDB_REPEAT_NONE);
"Backtrace all processes matching state flag", 0, 0);
kdb_register_flags("btc", kdb_bt, "",
"Backtrace current process on each cpu", 0, KDB_REPEAT_NONE);
"Backtrace current process on each cpu", 0, 0);
kdb_register_flags("btt", kdb_bt, "<vaddr>",
"Backtrace process given its struct task address", 0,
KDB_REPEAT_NONE);
0);
kdb_register_flags("env", kdb_env, "",
"Show environment variables", 0, KDB_REPEAT_NONE);
"Show environment variables", 0, 0);
kdb_register_flags("set", kdb_set, "",
"Set environment variables", 0, KDB_REPEAT_NONE);
"Set environment variables", 0, 0);
kdb_register_flags("help", kdb_help, "",
"Display Help Message", 1, KDB_REPEAT_NONE);
"Display Help Message", 1, 0);
kdb_register_flags("?", kdb_help, "",
"Display Help Message", 0, KDB_REPEAT_NONE);
"Display Help Message", 0, 0);
kdb_register_flags("cpu", kdb_cpu, "<cpunum>",
"Switch to new cpu", 0, KDB_REPEAT_NONE);
"Switch to new cpu", 0, 0);
kdb_register_flags("kgdb", kdb_kgdb, "",
"Enter kgdb mode", 0, KDB_REPEAT_NONE);
"Enter kgdb mode", 0, 0);
kdb_register_flags("ps", kdb_ps, "[<flags>|A]",
"Display active task list", 0, KDB_REPEAT_NONE);
"Display active task list", 0, 0);
kdb_register_flags("pid", kdb_pid, "<pidnum>",
"Switch to another task", 0, KDB_REPEAT_NONE);
"Switch to another task", 0, 0);
kdb_register_flags("reboot", kdb_reboot, "",
"Reboot the machine immediately", 0, KDB_REPEAT_NONE);
"Reboot the machine immediately", 0, 0);
#if defined(CONFIG_MODULES)
kdb_register_flags("lsmod", kdb_lsmod, "",
"List loaded kernel modules", 0, KDB_REPEAT_NONE);
"List loaded kernel modules", 0, 0);
#endif
#if defined(CONFIG_MAGIC_SYSRQ)
kdb_register_flags("sr", kdb_sr, "<key>",
"Magic SysRq key", 0, KDB_REPEAT_NONE);
"Magic SysRq key", 0, 0);
#endif
#if defined(CONFIG_PRINTK)
kdb_register_flags("dmesg", kdb_dmesg, "[lines]",
"Display syslog buffer", 0, KDB_REPEAT_NONE);
"Display syslog buffer", 0, 0);
#endif
if (arch_kgdb_ops.enable_nmi) {
kdb_register_flags("disable_nmi", kdb_disable_nmi, "",
"Disable NMI entry to KDB", 0, KDB_REPEAT_NONE);
"Disable NMI entry to KDB", 0, 0);
}
kdb_register_flags("defcmd", kdb_defcmd, "name \"usage\" \"help\"",
"Define a set of commands, down to endefcmd", 0, KDB_REPEAT_NONE);
"Define a set of commands, down to endefcmd", 0, 0);
kdb_register_flags("kill", kdb_kill, "<-signal> <pid>",
"Send a signal to a process", 0, KDB_REPEAT_NONE);
"Send a signal to a process", 0, 0);
kdb_register_flags("summary", kdb_summary, "",
"Summarize the system", 4, KDB_REPEAT_NONE);
"Summarize the system", 4, 0);
kdb_register_flags("per_cpu", kdb_per_cpu, "<sym> [<bytes>] [<cpu>]",
"Display per_cpu variables", 3, KDB_REPEAT_NONE);
"Display per_cpu variables", 3, 0);
kdb_register_flags("grephelp", kdb_grep_help, "",
"Display help on | grep", 0, KDB_REPEAT_NONE);
"Display help on | grep", 0, 0);
}
/* Execute any commands defined in kdb_cmds. */

2
kernel/trace/trace_kdb.c
View File

@ -128,7 +128,7 @@ static int kdb_ftdump(int argc, const char **argv)
static __init int kdb_ftrace_register(void)
{
kdb_register_flags("ftdump", kdb_ftdump, "[skip_#lines] [cpu]",
"Dump ftrace log", 0, KDB_REPEAT_NONE);
"Dump ftrace log", 0, 0);
return 0;
}