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Message-Id: <1396453440-16445-7-git-send-email-daniel.thompson@linaro.org>
Date: Wed, 2 Apr 2014 16:43:56 +0100
From: Daniel Thompson <daniel.thompson@...aro.org>
To: kgdb-bugreport@...ts.sourceforge.net,
Jason Wessel <jason.wessel@...driver.com>
Cc: patches@...aro.org, linaro-kernel@...ts.linaro.org,
Anton Vorontsov <anton.vorontsov@...aro.org>,
linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.cz>,
Steven Rostedt <rostedt@...dmis.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...hat.com>,
John Stultz <john.stultz@...aro.org>,
Colin Cross <ccross@...roid.com>, kernel-team@...roid.com,
Daniel Thompson <daniel.thompson@...aro.org>
Subject: [RFC v2 06/10] kdb: Remove KDB_REPEAT_NONE flag
From: Anton Vorontsov <anton.vorontsov@...aro.org>
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@...aro.org>
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
---
include/linux/kdb.h | 1 -
kernel/debug/kdb/kdb_bp.c | 6 ++---
kernel/debug/kdb/kdb_main.c | 59 ++++++++++++++++++++++-----------------------
kernel/trace/trace_kdb.c | 2 +-
4 files changed, 33 insertions(+), 35 deletions(-)
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index f5cc722..4b656d6 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -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;
diff --git a/kernel/debug/kdb/kdb_bp.c b/kernel/debug/kdb/kdb_bp.c
index 7be2c5d..87343f0 100644
--- a/kernel/debug/kdb/kdb_bp.c
+++ b/kernel/debug/kdb/kdb_bp.c
@@ -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);
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 5d67ff6..a40b05b 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -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. */
diff --git a/kernel/trace/trace_kdb.c b/kernel/trace/trace_kdb.c
index 1e3b36c..3da7e30 100644
--- a/kernel/trace/trace_kdb.c
+++ b/kernel/trace/trace_kdb.c
@@ -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;
}
--
1.9.0
--
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