[PATCH] kdb: Fix incomplete usage help of md, mds and btc commands

[Nir Lichtman]

Fix kdb usage help to document some currently missing CLI commands options

Signed-off-by: Nir Lichtman <nir@xxxxxxxxxxxx>
---
 kernel/debug/kdb/kdb_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index f5f7d7fb5936..0bdffb17b163 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -2667,7 +2667,7 @@ EXPORT_SYMBOL_GPL(kdb_unregister);
 static kdbtab_t maintab[] = {
 	{	.name = "md",
 		.func = kdb_md,
-		.usage = "<vaddr>",
+		.usage = "<vaddr> [lines] [radix]",
 		.help = "Display Memory Contents, also mdWcN, e.g. md8c1",
 		.minlen = 1,
 		.flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
@@ -2686,7 +2686,7 @@ static kdbtab_t maintab[] = {
 	},
 	{	.name = "mds",
 		.func = kdb_md,
-		.usage = "<vaddr>",
+		.usage = "<vaddr> [lines] [radix]",
 		.help = "Display Memory Symbolically",
 		.flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
 	},
@@ -2743,8 +2743,8 @@ static kdbtab_t maintab[] = {
 	},
 	{	.name = "btc",
 		.func = kdb_bt,
-		.usage = "",
-		.help = "Backtrace current process on each cpu",
+		.usage = "[<cpu>]",
+		.help = "Backtrace current process on each cpu, or a specific one if cpu is passed",
 		.flags = KDB_ENABLE_INSPECT,
 	},
 	{	.name = "btt",
-- 
2.39.2