From d613d828e8987a1f794378022f900b454fa95403 Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Mon, 23 May 2011 13:22:54 -0500
Subject: [PATCH] kdb: Remove all references to DOING_KGDB2

The DOING_KGDB2 was originally a state variable for one of the two
ways to automatically transition from kdb to kgdb.  Purge all these
variables and just use one single state for the transition.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/debug/kdb/kdb_debugger.c | 4 +---
 kernel/debug/kdb/kdb_io.c       | 2 +-
 kernel/debug/kdb/kdb_main.c     | 2 +-
 kernel/debug/kdb/kdb_private.h  | 2 --
 4 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index fe422d275782..d9ca9aa481ec 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -126,10 +126,8 @@ int kdb_stub(struct kgdb_state *ks)
 	KDB_STATE_CLEAR(PAGER);
 	kdbnearsym_cleanup();
 	if (error == KDB_CMD_KGDB) {
-		if (KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)) {
+		if (KDB_STATE(DOING_KGDB))
 			KDB_STATE_CLEAR(DOING_KGDB);
-			KDB_STATE_CLEAR(DOING_KGDB2);
-		}
 		return DBG_PASS_EVENT;
 	}
 	kdb_bp_install(ks->linux_regs);
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index bd233264b29f..0dbcdfbb6fd0 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -399,7 +399,7 @@ static char *kdb_read(char *buffer, size_t bufsize)
 			    strcmp(lastchar - 11, "$qSupported") == 0) {
 				kdb_gdb_state_pass(lastchar - 11);
 				strcpy(buffer, "kgdb");
-				KDB_STATE_SET(DOING_KGDB2);
+				KDB_STATE_SET(DOING_KGDB);
 				return buffer;
 			}
 		}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index b33116ec9e6d..63786e71a3cd 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1386,7 +1386,7 @@ int kdb_main_loop(kdb_reason_t reason, kdb_reason_t reason2, int error,
 		}
 
 		if (result == KDB_CMD_KGDB) {
-			if (!(KDB_STATE(DOING_KGDB) || KDB_STATE(DOING_KGDB2)))
+			if (!KDB_STATE(DOING_KGDB))
 				kdb_printf("Entering please attach debugger "
 					   "or use $D#44+ or $3#33\n");
 			break;
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index 03d332e63442..e381d105b40b 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -21,7 +21,6 @@
 #define KDB_CMD_SS	(-1003)
 #define KDB_CMD_SSB	(-1004)
 #define KDB_CMD_KGDB (-1005)
-#define KDB_CMD_KGDB2 (-1006)
 
 /* Internal debug flags */
 #define KDB_DEBUG_FLAG_BP	0x0002	/* Breakpoint subsystem debug */
@@ -146,7 +145,6 @@ extern int kdb_state;
 						 * keyboard on this cpu */
 #define KDB_STATE_KEXEC		0x00040000	/* kexec issued */
 #define KDB_STATE_DOING_KGDB	0x00080000	/* kgdb enter now issued */
-#define KDB_STATE_DOING_KGDB2	0x00100000	/* kgdb enter now issued */
 #define KDB_STATE_KGDB_TRANS	0x00200000	/* Transition to kgdb */
 #define KDB_STATE_ARCH		0xff000000	/* Reserved for arch
 						 * specific use */