#define __LOG_BUF_LEN (1 << CONFIG_LOG_BUF_SHIFT)
+#ifdef CONFIG_DEBUG_LL
+extern void printascii(char *);
+#endif
+
/* printk's without a loglevel use this.. */
#define DEFAULT_MESSAGE_LOGLEVEL 4 /* KERN_WARNING */
init_MUTEX(&console_sem);
}
-#if defined(CONFIG_PRINTK_TIME)
-static int printk_time = 1;
-#else
static int printk_time = 0;
-#endif
-module_param(printk_time, int, S_IRUGO | S_IWUSR);
+
+#ifdef CONFIG_PRINTK_TIME
+
+/*
+ * Initialize printk time. Note that on some systems sched_clock()
+ * does not work until timer is initialized.
+ */
+static int __init printk_time_init(void)
+{
+ printk_time = 1;
+
+ return 0;
+}
+subsys_initcall(printk_time_init);
+
+#else
static int __init printk_time_setup(char *str)
{
__setup("time", printk_time_setup);
+#endif
+
__attribute__((weak)) unsigned long long printk_clock(void)
{
return sched_clock();
/* Emit the output into the temporary buffer */
printed_len = vscnprintf(printk_buf, sizeof(printk_buf), fmt, args);
+#ifdef CONFIG_DEBUG_LL
+ printascii(printk_buf);
+#endif
+
/*
* Copy the output into log_buf. If the caller didn't provide
* appropriate log level tags, we insert them here
up(&secondary_console_sem);
return;
}
+
+ console_may_schedule = 0;
+
for ( ; ; ) {
spin_lock_irqsave(&logbuf_lock, flags);
wake_klogd |= log_start - log_end;
local_irq_restore(flags);
}
console_locked = 0;
- console_may_schedule = 0;
up(&console_sem);
spin_unlock_irqrestore(&logbuf_lock, flags);
if (wake_klogd && !oops_in_progress && waitqueue_active(&log_wait)) {