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>

diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index fe422d2..d9ca9aa 100644 (file)
--- 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 bd23326..0dbcdfb 100644 (file)
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -399,7 +399,7 @@ poll_again:
                            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 b33116e..63786e7 100644 (file)
--- 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 03d332e..e381d10 100644 (file)
--- 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 */