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kdb: Remove all references to DOING_KGDB2

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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>
This commit is contained in:
Jason Wessel 2011-05-23 13:22:54 -05:00
parent f679c4985b
commit d613d828e8
4 changed files with 3 additions and 7 deletions
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4
kernel/debug/kdb/kdb_debugger.c
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@ -126,10 +126,8 @@ int kdb_stub(struct kgdb_state *ks)
KDB_STATE_CLEAR(PAGER); KDB_STATE_CLEAR(PAGER);
kdbnearsym_cleanup(); kdbnearsym_cleanup();
if (error == KDB_CMD_KGDB) { 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_KGDB);
KDB_STATE_CLEAR(DOING_KGDB2);
}
return DBG_PASS_EVENT; return DBG_PASS_EVENT;
} }
kdb_bp_install(ks->linux_regs); kdb_bp_install(ks->linux_regs);

2
kernel/debug/kdb/kdb_io.c
View file

@ -399,7 +399,7 @@ static char *kdb_read(char *buffer, size_t bufsize)
strcmp(lastchar - 11, "$qSupported") == 0) { strcmp(lastchar - 11, "$qSupported") == 0) {
kdb_gdb_state_pass(lastchar - 11); kdb_gdb_state_pass(lastchar - 11);
strcpy(buffer, "kgdb"); strcpy(buffer, "kgdb");
KDB_STATE_SET(DOING_KGDB2); KDB_STATE_SET(DOING_KGDB);
return buffer; return buffer;
} }
} }

2
kernel/debug/kdb/kdb_main.c
View file

@ -1386,7 +1386,7 @@ int kdb_main_loop(kdb_reason_t reason, kdb_reason_t reason2, int error,
} }
if (result == KDB_CMD_KGDB) { 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 " kdb_printf("Entering please attach debugger "
"or use $D#44+ or $3#33\n"); "or use $D#44+ or $3#33\n");
break; break;

2
kernel/debug/kdb/kdb_private.h
View file

@ -21,7 +21,6 @@
#define KDB_CMD_SS (-1003) #define KDB_CMD_SS (-1003)
#define KDB_CMD_SSB (-1004) #define KDB_CMD_SSB (-1004)
#define KDB_CMD_KGDB (-1005) #define KDB_CMD_KGDB (-1005)
#define KDB_CMD_KGDB2 (-1006)
/* Internal debug flags */ /* Internal debug flags */
#define KDB_DEBUG_FLAG_BP 0x0002 /* Breakpoint subsystem debug */ #define KDB_DEBUG_FLAG_BP 0x0002 /* Breakpoint subsystem debug */
@ -146,7 +145,6 @@ extern int kdb_state;
* keyboard on this cpu */ * keyboard on this cpu */
#define KDB_STATE_KEXEC 0x00040000 /* kexec issued */ #define KDB_STATE_KEXEC 0x00040000 /* kexec issued */
#define KDB_STATE_DOING_KGDB 0x00080000 /* kgdb enter now 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_KGDB_TRANS 0x00200000 /* Transition to kgdb */
#define KDB_STATE_ARCH 0xff000000 /* Reserved for arch #define KDB_STATE_ARCH 0xff000000 /* Reserved for arch
* specific use */ * specific use */