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-rw-r--r--include/linux/kdb.h1
-rw-r--r--kernel/debug/kdb/kdb_io.c2
-rw-r--r--kernel/debug/kdb/kdb_main.c1
3 files changed, 0 insertions, 4 deletions
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index 410decacff8f..eb706188dc23 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -77,7 +77,6 @@ extern int kdb_poll_idx;
* number whenever the kernel debugger is entered.
*/
extern int kdb_initial_cpu;
-extern atomic_t kdb_event;
/* Types and messages used for dynamically added kdb shell commands */
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 98c9011eac78..46f477bebe0c 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -576,7 +576,6 @@ int vkdb_printf(enum kdb_msgsrc src, const char *fmt, va_list ap)
KDB_STATE_SET(PRINTF_LOCK);
spin_lock_irqsave(&kdb_printf_lock, flags);
got_printf_lock = 1;
- atomic_inc(&kdb_event);
} else {
__acquire(kdb_printf_lock);
}
@@ -851,7 +850,6 @@ kdb_print_out:
got_printf_lock = 0;
spin_unlock_irqrestore(&kdb_printf_lock, flags);
KDB_STATE_CLEAR(PRINTF_LOCK);
- atomic_dec(&kdb_event);
} else {
__release(kdb_printf_lock);
}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 2a20c0dfdafc..ca183919d302 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -60,7 +60,6 @@ int kdb_grep_trailing;
* Kernel debugger state flags
*/
int kdb_flags;
-atomic_t kdb_event;
/*
* kdb_lock protects updates to kdb_initial_cpu. Used to